Signal Modules; Sm500 Signal Module; Areas Of Application; Control And Display Elements - Siemens SIMATIC TDC System Manual

Signal modules

4.1

SM500 signal module

4.1.1

Areas of application

The SM500 signal module provides analog and digital I/O, as well as incremental and
absolute encoder connections.
Use cases include:
● Central connection of drives
● Connection of analog and digital actuators and sensors
● Status display by means of integrated LEDs
4.1.2

Control and display elements

LED displays
The SM500 signal module is equipped with 8 LEDs. H1 and H2 provide information about
the current module state.
Table 4- 1
LED designation (color)
H1 (green) and H2 (red)
H3 (green) and H4 (green)
H5 (green) and H6 (green)
H7 (green) and H8 (green)
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
LED displays of signal module SM500
Function
Module status display
Can be controlled by means of function block BIQ8 (digital output).
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