simatic 1500 signal module

Scalability, performance and usability

The signal modules or I/O modules provide the interface between the controller and the process. The controller detects the current process status by means of the connected sensors and triggers the corresponding actuator reactions.

The digital and analog modules provide exactly the inputs/outputs that are required for the respective task. They can be used both centrally, i.e. directly on the CPU, as well as locally in the ET 200MP I/O system. 25 mm and 35 mm modules are available.

The analog modules possess expanded functions like oversampling, measuring range adjustments or scaling of measured values.

Scalability allows customized and cost-effective implementation of the application

Modules available with different numbers of channels and functionalities
Increased function density for compact design and reduced number of variants
U-connector with self-assembling backplane bus
Space-saving installation of additional components possible on mounting rail

Maximum system performance for fast processes and very high control quality

PROFINET IRT for isochronous mode with clock rates up to 250 μs
Digital input modules with very short input delay of 50 μs
Analog modules with conversion time of 62,5µs rsp. 125 µs for 8 channels
Universally usable analog input module with independent characteristic linearization for temperature measurements and threshold monitoring (two high and two low limits); very simple stocking of spare parts, as all measurement types and measuring ranges are combined in one module

Increased functionality, more efficient diagnostics through the systematic use of PROFINET

Channel-selective diagnostic alarms support faster troubleshooting and thus minimize plant downtimes
Channel-selective diagnostic LEDs on the module and one-to-one mapping to the channel indicate to the service technician the precise path to the location of the fault. They thus insure fast detection and correction.
Electronic rating plate that is readable for clear identification of all modules; fast and clear identification of the module in a service scenario, for example

Easy evaluation of channel diagnostics, independent of diagnostic interrupts, through the use of the value status (QI; Quality Information)
Integration of simple counting functionality with the High Feature digital input modules allows cost-effective implementation of simple counting tasks (DI16x24VDC HF; DI 32x24VDC HF)

Cost savings in the control cabinet through intelligent product design

All modules can be used centrally (S7-1500) and distributed in the
ET 200MP I/O system
Uniform 40-pin front connector for all modules either with screw type or, optionally, push-in terminals
Same signals always on the same pin, i.e. schematic macros created once can be used again at any time, wiring errors are
avoided
Fast and simple connection of sensors and actuators to the efficient SIMATIC TOP connect system cabling

Integrated potential bridges simplify wiring
Scalable cable stowage compartment creates space for wires with thick insulation
Pre-latch position allows prewiring without electrical connection
Mechanical slot coding prevents mistakes when plugging and swapping modules
Imprinted wiring scheme allows wiring without additional documentation
Direct creation of the labeling strips from the TIA Portal; no additional tools are required; double entry of absolute addresses and tag names is avoided

Robust design ensures trouble-free plant operation

Shielding is already integrated; all required components are included and do not have to be ordered separately. System is installed without tools and requires no additional installation space
The modules of the ET 200MP / S7-1500 IO are also available as SIPLUS version with extended ambient conditions, e.g. extended temperature range of -40 °C to +70 °C

Investment protection

Continuous firmware update keeps modules permanently up to date and ensures that investment is always well protected. New functions can be optionally retrofitted in existing hardware
S5/S7-1500 I/O adapters allow an easy transition from S5 systems to the S7-1500. The field wiring can remain. Gradual commissioning and shadow or parallel operation of S5 and S7-1500 are possible.

Safety Integrated

The failsafe S7-1500 /ET 200MP I/O modules allow the processing of safety related as well as standard programs. Their functional safety is certified in accordance with IEC 61508 (2nd Edition). They are designed for safety-related use up to SIL 3 according to IEC 62061 and PL e according to ISO 13849.

Digital Input Modules SM 521

The modules have high channel density and low parts variance. As a result, ordering, logistics and spare-parts inventory are considerably simplified.

High Feature modules with enhanced functionality are only available with the 35mm form factor. Modules with a width a width of 35 mm can be equipped with a front connector using screw terminal or push-in technology, the connector has to be ordered separately.
The narrow 25mm modules use a front connector with push-in technology which is included in the scope of delivery. The modules have the same mechanical structure as the 35 mm modules. They also offer the same operability and the same accessories. Moreover, the pin assignment in the wiring is unchanged. This means that circuit and wiring diagrams can be universally used.

The narrow, low-cost modules do not have any parameter assignment or diagnostics, so integration in the engineering is significantly easier.
The narrow 25 mm modules can be mixed with the 35 mm modules as required.

Digital Input Modules with a width of 35 mm

SIMATIC ET 200 MP Digitaleingabemodul 35mm Breite

SM 521 DI 16x24VDC HF

High Feature digital input module with 16 channels for recording 24 V DC signals

sinking input
one potential group
input delay 0.05 ... 20 ms
input type 3 (IEC 61131)
parameterizable diagnostic and process alarms
counting with DI
Article No.: 6ES7521-1BH00-0AB0

SM 521 DI 32x24VDC HF

High Feature digital input module with 32 channels for recording 24 V DC signals

sinking input
two potential groups
input delay 0.05 ... 20 ms
input type 3 (IEC 61131)
parameterizable diagnostic and process alarms
counting with DI
Article No.: 6ES7521-1BL00-0AB0

SM 521 DI 16x24....125 VUC HF

High Feature digital input module with 16 channels for recording 24... 125 V universal current signals

16 potential groups
sinking input
input delay 0.05 ... 20 ms DC / 20ms fixed AC
input type 3 (IEC 61131)
parameterizable diagnostic and process alarms
Article No.: 6ES7521-7EH00-0AB0

SM 521 DI 16x24VDC SRC BA

Basic digital input module with 16 channels for recording 24 V DC signals

active low
one potential group
fixed input delay 3.2 ms
input type 3 (IEC 61131)
Article No.: 6ES7521-1BH50-0AA0

SM 521 DI 16x230VAC BA

Basic digital input module with 16 channels for recording 230 V AC signals

four potential groups
sinking input
input delay 20 ms
input type 1 (IEC 61131)
Article No.: 6ES7521-1FH00-0AA0

Digital Input Modules with a width of 25 mm

SIMATIC ET 200MP Digitales Eingabemodul 25mm Breite

SM 521 DI 16x24VDC BA

Basic digital input module with 16 channels for recording 24 V DC signals

sinking input
one potential group
fixed input delay 3.2 ms
input type 3 (IEC 61131)
Article No.: 6ES7521-1BH10-0AA0

SM 521 DI 32x24VDC BA

Basic digital input module with 32 channels for recording 24 V DC signals

sinking input
one potential group
fixed input delay 3.2 ms
input type 3 (IEC 61131)
Article No.: 6ES7521-1BL10-0AA0

Digital Output Modules SM 522

The modules have high channel density and low parts variance. As a result, ordering, logistics and spare-parts inventory are considerably simplified

Standard and High Feature modules with enhanced functionality are only available with the 35mm form factor. Modules with a width a width of 35 mm can be equipped with a front connector using screw terminal or push-in technology, the connector has to be ordered separately.
The narrow 25mm modules use a front connector with push-in technology which is included in the scope of delivery. The modules have the same mechanical structure as the 35 mm modules. They also offer the same operability and the same accessories. Moreover, the pin assignment in the wiring is unchanged. This means that circuit and wiring diagrams can be universally used.

Digital output modules with a width of 35 mm

SIMATIC ET 200 MP Digitalausgabemodul 35mm Breite

SM 522 DQ 16x24VDC 0,5A HF

Standard digital output module with 16 channels 24 V DC / 0.5 A (transistor)

two potential groups
4 A per group
channel wise parameterizable diagnostics
channel wise parameterizable substitute value for the outputs
Article No.:6ES7522-1BH01-0AB0

SM 522 DQ 32x24V DC/0.5A HF

Standard digital output module with 32 channels 24 V DC / 0.5 A (transistor)

four potential groups
4 A per group
channel wise parameterizable diagnostics
channel wise parameterizable substitute value for the outputs
Article No.: 6ES7522-1BL01-0AB0

SM 522 DQ 8x24V DC/2A HF

High Feature digital output module with 8 channels 24 V DC / 2 A (transistor)

one potential group
8 A per group
parameterizable diagnostics
parameterizable substitute value for the outputs
Article No.: 6ES7522-1BF00-0AB0

SM 522 DQ 8x230V AC/2A ST

Standard digital output module with eight outputs 230 V AC / 2 A (triac)

8 potential groups
2 A per group
parameterizable substitute value for the outputs
Article No.: 6ES7522-5FF00-0AB0

SM 522 DQ 8x230V AC/5A ST

Standard digital output module with eight outputs 230 V AC / 5 A (relay)

8 potential groups
5 A per group
parameterizable substitute value for the outputs
Article No.: 6ES7522-5HF00-0AB0

SM 522 DQ 16x230V AC/1A ST

Standard digital output module with 16 outputs 230 V AC / 1 A (triac)

8 potential groups
2 A per group
parameterizable substitute value for the outputs
Article No.: 6ES7522-1FH00-0AB0

SM 522 DQ 16x230V AC/2A ST

Standard digital output module with 16 outputs 230 V AC / 2 A (relay)

8 potential groups
4 A per group
parameterizable diagnostics
parameterizable substitute value for the outputs
Article No.: 6ES7522-1HH00-0AB0

Digital output modules with a width of 25 mm

SIMATIC ET 200MP Digitales Ausgabemodul 25mm Breite

SM 522 DQ 16x24VDC/0.5A BA

Basic digital output module with 16 channels 24 V DC / 0.5 A (transistor)

sourcing output
two potential groups
4 A per group
Article No.: 6ES7522-1BH10-0AA0

SM 522 DQ 32x24V DC/0.5A BA

Basic digital output module with 32 channels 24 V DC / 0.5 A (transistor)

sourcing output
4 potential groups
4 A per group
Article No.: 6ES7522-1BL10-0AA0

Digital input/output module SM 523

The digital input/output module SM 523 offers 16 digital inputs and 16 digital outputs. It is recommended for use in locations where only very few input/output channels are necessary or under conditions of use in which a high number of channels must be implemented in a very limited space.
The narrow 25mm modules use a front connector with push-in technology which is included in the scope of delivery.
The module can be used side by side with the 35 mm modules in one station as required

Digital input/output module with a width of 25 mm

SIMATIC ET 200MP Digitales Ein-/Ausgabemodul 25mm Breite

SM 523 DI 16x24VDC / DQ 16x24VDC/0.5A BA

digital input/output module with 16 channels each

16 digital inputs for recording 24 V DC signals
sinking input
one potential group
fixed input delay 3.2 ms
input type 3 (IEC 61131)
16 digital outputs 24 V DC / 0.5 A (transistor)
sourcing output
two potential groups
4 A per group
Article No.: 6ES7523-1BL00-0AA0

Analog input modules SM 531

Analog input modules record process signals such as pressure or temperature and forward them in digitalized format (16 bit format) to the control. They are suitable for measuring current (2-wire and 4-wire transducers), voltage, and resistance, as well as for the connection of resistance thermometers and thermocouples (measurement types depend on the module).

Modules with a width of 35 mm can be equipped with a front connector using screw terminal or push-in technology, the connector has to be ordered separately.
The narrow 25mm modules use a front connector with push-in technology which is included in the scope of delivery. The modules have the same mechanical structure as the 35 mm modules. They also offer the same operability and the same accessories. Moreover, the pin assignment in the wiring is unchanged. This means that circuit and wiring diagrams can be universally used. For all analog input modules the components for shielding like power supply element, shield bracket, and shield terminal are included in the scope of delivery

The narrow 25 mm modules can be mixed with the 35 mm modules as required.

Expanded functions for analog inputs
Oversampling (for SM 531 AI 8XU/I HS)
The use of the oversampling function requires an isochronous configuration. For analog input modules, the preset transmit clock is divided into up to 16 time-equidistant subcycles. The module reads in a measured value in each subcycle and saves it. The read in measured values of a data cycle are copied to the interface module (IM) of the ET 200MP in the next transmit clock and are available to the processing CPU one transmit clock later. A major advantage of Oversampling is that no faster CPU-Cycle is required for recording the high temporal resolution measurements.
Scaling of the measured values (for SM 531 AI 8XU/I HF)
With scaling of the measured values, the value corresponding to the technological quantity of the process can be assigned to the physical measured values of the module (current or voltage). This saves time and memory during program processing in the CPU, as the analog input module converts the physical value directly and makes it available to the user program as 32-bit floating point value (REAL).
Measuring range adjustment (for SM 531 AI 8XU/R/RTD/DC HF)
The measuring range adjustment to the used sensor enables you to increase the resolution for a configurable section of the measuring range in S7 format. Sensors frequently do not use the entire nominal range of a module but only return voltage values in a partial range. By configuring the sensor limits in the TIA Portal, the original measuring range is expanded. The resolution of the measured values is more detailed.
Calibration at RUN (for SM 531 AI 8XU/I HF and SM 531 AI 8 XU/R/RTD/TC HF)
Repeated calibration may be particularly useful for plants in which sensors measure or process relatively small voltages or currents. Recalibration compensates for any effects on the measurement result caused by cables, temperature or sensor and can be executed in RUN of the CPU. Thereby, the latest values are acquired and saved retentively on the module.
Scalable temperature measurement range (for SM 531 AI 8 XU/R/RTD/TC HF)
To keep the process temperature at a constant operating point, the module must provide a relatively high resolution. Therefore, the operating point of the process gets defined as "measuring range mean". By limiting the measuring range to a smaller area, the 16-bit resolution of the module can be applied to this range which permits a significantly higher resolution of the measurement and therefore accurate calculations.

Analog input modules with 35 mm width

SIMATIC ET 200 MP Analogeingabemodul 35mm Breite

SM 531 AI 8xU/I/RTD/TC ST

Standard analog input module with 8 channels (resistance and resistance thermometer measuring limited to 4 channels)

measurement types: current, voltage, resistance,

resistance thermometers, thermocouples
resolution 16 bits
accuracy +/-0.3%
one potential group
common mode voltage 10 V
parameterizable diagnostics
hardware interrupts (two upper and lower limits)
calibration during execution time
Article No.:

6ES7531-7KF00-0AB0

SM 531 AI 8xU/I HS

High Speed analog input module with 8 channels

measurement types: current, voltage
resolution 16 bits
accuracy +/-0.3%
one potential group
common mode voltage 10 V
parameterizable diagnostics
hardware interrupts (two upper and lower limits)
high-speed module with 8 channels in 62.5µs
isochronous mode
calibration during execution time
Article No.:

6ES7531-7NF10-0AB0

SM 531 AI 8xU/I HF

High Feature analog input module with 8 channels

measurement types: current, voltage
resolution 16 bits
accuracy +/-0.1%
eight potential groups
common mode voltage 30 VAC / 60 VDC
parameterizable diagnostics
hardware interrupts (two upper and lower limits)
Article No.:

6ES7531-7NF00-0AB0

SM 531 AI
8xU/R/RTD/TC HF

High Feature analog input module with 8+1 channels

measurement types: voltage, resistance, resistance thermometers, thermocouples
resolution 16 bits
accuracy +/-0.1%
eight potential groups
common mode voltage 30 VAC / 60 VDC
parameterizable diagnostics
hardware interrupts (two upper and lower limits)
characteristics according GOST, Integrated 9th channel for TC compensation or “real” channel
calibration during execution time
Article No.:
6ES7531-7PF00-0AB0

Analog input module with 25 mm width

SIMATIC ET 200MP Analoges Eingabemodul 25mm Breite

SM 531 AI 4xU/I/RTD/TC ST

Standard analog input module with 4 channels (resistance and resistance thermometer measuring limited to 2 channels)

measurement types: current, voltage, resistance,

resistance thermometers, thermocouples
resolution 16 bits
accuracy +/-0.3%
one potential group
common mode voltage 10 V
parameterizable diagnostics
hardware interrupts (two upper and lower limits)
calibration during execution time
Article No.:

6ES7531-7QD00-0AB0

Analog output modules SM 532

Analog output modules convert a 16-bit digital value into a current or a voltage and output this to the process. They are suitable, for example, for controlling proportional valves or small servo drives.

Modules with a width a width of 35 mm can be equipped with a front connector using screw terminal or push-in technology, the connector has to be ordered separately.
The narrow 25mm modules use a front connector with push-in technology which is included in the scope of delivery. The modules have the same mechanical structure as the 35 mm modules. They also offer the same operability and the same accessories. Moreover, the pin assignment in the wiring is unchanged. This means that circuit and wiring diagrams can be universally used. For all analog output modules the components for shielding like power supply element, shield bracket, and shield terminal are included in the scope of delivery.

The narrow 25 mm modules can be used side by side with 35 mm modules in one station.

Expanded functions for analog outputs
Oversampling (for SM 532 AQ 8XU/I HS)
The use of the oversampling function requires an isochronous configuration. For analog output modules, the preset transmit clock is divided into up to 16 time-equidistant subcycles. A data packet is transferred by the controller to the module and written to the process divided into n equidistant subcycles. The read or output values are transferred in the user data of the analog module. This increases the address space of the module. A major advantage of Oversampling is that no faster CPU-Cycle is required for recording the high temporal resolution measurements.
Isochronous mode (for SM 532 AQ 4XU/I HF)
With the "Isochronous mode" system property, measured values and process data can be acquired with a fixed system clock. The signal processing until switching on the output terminal occurs in the same system clock. Isochronous mode thus contributes to high quality of the controller and therefore to greater manufacturing precision. Possible fluctuations of the process response times are significantly reduced. Time-assured processing, i.e. the high deterministic response, can be used for a higher machine cycle.

Analog output modules with 35 mm width

SIMATIC ET 200 MP Analogausgabemodul 35mm Breite

SM 532 AQ 4xU/I ST

Standard analog output module with 4 channels

output: current, voltage,
16 bit resolution
accuracy +/-0.3%
one potential group
parameterizable diagnostics
parameterizable substitute values for the outputs
calibration during execution time
Article No.: 6ES7532-5HD00-0AB0

SM 532 AQ 4xU/I HF

High Feature analog output module with 4 channels

output: current, voltage
16 bit resolution
accuracy +/-0.1%...+/-0.2%
four potential groups
common mode voltage 30 VAC / 60 VDC
parameterizable diagnostics
parameterizable substitute values for the outputs
isochronous mode
Article No.: 6ES7532-5ND00-0AB0

SM 532 AQ 8xU/I HS

High Speed analog output module with 8 channels

output: current, voltage
16 bit resolution
accuracy +/-0.3%
one potential group
parameterizable diagnostics
parameterizable substitute values for the outputs
high speed with 8 channels in 125 µs;
oversampling
calibration during execution time
Article No.: 6ES7532-5HF00-0AB0

Analog output module with 25 mm width

SIMATIC ET 200MP Analogausgabemodul 25mm Breite

SM 532 AQ 2xU/I ST

Standard analog output module with 2 channels

output: current, voltage,
16 bit resolution
accuracy +/-0.3%
one potential group
parameterizable diagnostics
parameterizable substitute values for the outputs
calibration during execution time
Article No.: 6ES7532-5NB00-0AB0

Analog input/output module SM 534

The analog input/output module SM 534 offers 4 analog inputs and 2 analog outputs at a very small footprint and is therefore suited for use in the tightest spaces.
The narrow 25 mm module with Standard functionality uses push-in technology, the front connector as well as the components for shielding like power supply element, shield bracket, and shield terminal are included in the scope of delivery.
Like other 25 mm modules the SM534 can be used side by side with 35 mm modules in one station.

Analog input/output module with 25mm width

SM 534 AI/AQ 4xU/I/RTD/TC / 2xU/I ST

Standard analog input/output module with 4 inputs and 2 outputs
(resistance and resistance thermometer measuring limited to 2 channels)

4 inputs, measurement types: current, voltage, resistance,
resistance thermometers, thermocouples
resolution 16 bits
one potential group
accuracy +/-0.3%
common mode voltage 10 V
parameterizable diagnostics
hardware interrupts (two upper and lower limits)
calibration during execution time
2 outputs: current, voltage,
resolution 16 bits
accuracy +/-0.3%
one potential group
parameterizable diagnostics
parameterizable substitute values for the outputs
calibration during execution time
Article No.: 6ES7534-7QE00-0AB0

Failsafe I/O Module SM 526

Digital input F-DI 16x24VDC PROFIsafe

16 inputs (SIL3/Category 3/PLd) or 8 inputs (SIL3/Category 4/PLe)
Sensor evaluation 1v1 (1oo1) und 2v2 (1oo2)
Channel and module passivation
Four channel groups with four channels each
Internal short-circuit proof encoder supply per channel group
External sensor power supply possible
Supports FW update und I&M data
Article No.: 6ES7526-1BH00-0AB0

Digital output F-DQ 8x24VDC/2A PPM PROFIsafe

Eight outputs in two channel groups (SIL3/Category 4/PLe)
Settable (for each module): PM or PP switching
Output current 2A per output
Channel and module passivation
Supports FW update und I&M data
Article No.: 6ES7526-2BF00-0AB0

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