Services

S7-300 FM Controller Module FM 355

The universal control solution

Description

The FM 355 closed-loop control module has 4 channels, and can be used universally for temperature, pressure, flow and level control.
The FM 355 controller module for SIMATIC S7-300, C7 and ET 200M (on S7-300-/S7-400 masters) can also be used in PCS7 systems.
It offers:

A variety of pre-programmed control structures
A self-optimisation function for fast, simple controller optimisation and
A backup function for problem-free operation in the event of a CPU stop/failure.

The module is available in two versions for controlling different actuators

FM 355 C as continuous controller for the control of analog actuators
FM 355 S as step-action or pulse-action controller for the control of actuators via digital outputs

S7-300 FM Controller Module FM 355-2

The expert in temperature control

Description

The FM 355-2 is the specialized, backup-capable controller module for temperature control with integrated online self-optimization for SIMATIC S7-300, C7 and ET 200M.
It has four channels, and was specially developed for the control of temperature systems, whereby controllers with heating and active cooling can also be implemented and optimized.
Other loops with similar requirements can also be controlled.

Advantages

Controller structures are, for the most part, preprogrammed and configurable, i.e. function blocks can be combined and interconnected as needed.
All functions essential to temperature control are integrated
o Control algorithms specifically developed for temperature
o Integriated online self-optimization
o Control parameters are available at the step response turning point
o Best available support for thermocouples
Backup capability
Enhanced precision when using thermocouples
Type B, E, J, K, R, S thermocouple connectable
Temperature compensation when using thermocouples:
o via external Pt100;
o internal temperature sensor;
o parameterized value.
Graphic configuring with user-friendly parameter assignment screen forms
Extensive test functions as well as simulation options are available, and simplify commissioning and diagnostics

S7-300 FM PROFIBUS-Module IM 174

Description

The IM 174 is an isochronous PROFIBUS module of S7-300 design for operating up to four drives over PROFIBUS DP on a motion control PLC. These can be electric or hydraulic drives with analog setpoint interface (+/- 10V) or stepper drives with pulse direction interface. The Technology CPUs, the Microbox 420-T and SIMOTION C/P/D can be used as the motion control PLC.
The actual values (encoder values) are transmitted from the IM 174 to the motion control PLC over PROFIBUS DP. The following encoders can be used:
- 5 V or 24 V incremental encoders or
- SSI absolute value encoders.
The position controller in the PLC calculates the speed setpoint. This value is transmitted over PROFIBUS DP to the IM 174, and output there.

S7-300 FM Positioning Module FM 357-2

Path and position control module

Description

The intelligent FM 357-2 path and position control module covers virtually all areas of motion control, from simple positioning to interpolated path control.

Advantages

Provides intelligent motion control (synchronism, handling, interpolation) for as many as four rotary or linear axes
Has the capabilities of a CNC system for general machine construction.
Drives can be connected via
± 10 V interface,
Pulse/directional interface and
PROFIBUS DP for Motion Control applications (with SIMODRIVE 611 and MASTERDRIVES MC)
Can be adapted to a specific task thanks to 3 different firmware packages.

S7-300 FM Position decoder module SM 338

Description

The position decoder module SM 338 supports the connection of up to 3 SSI encoders to S7-300 and ET 200M. The isochronous response and latch functions over digital inputs also support time-critical applications in the field of position sensing.

SM 338 provides encoder values for further processing in the STEP 7 program. Further processing is performed in the CPU, e.g. with Easy Motion Control. Parameterization is performed with STEP 7 without the need for additional configuration software.

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Services and Support

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