Siemens ST PCS 7 User Manual

Dezentrale Peripherie ET 200pro

Siemens ST PCS 7 · November 2007

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The following digital electronics modules can be used for con-

necting actuators/sensors in the context of SIMATIC PCS 7:

• EM 8 DI DC 24 V High Feature 

- Digital electronics module with eight inputs

- Suitable for standard switches and proximity switches 

(BEROs)

- Rated input voltage 24 V DC

- Diagnostics "Short-circuit of sensor supply to ground" per 

channel

- Diagnostics "Open-circuit" per channel

- Process alarm

- Parameterizable input delay

• EM 4 DO DC 24 V; 2  High Feature 

- Digital electronics module with four outputs

- Suitable for solenoid valves, DC contactors and indicator 

lights

- Output current 2 A per output

- Rated load voltage 24 V DC

- Diagnostics "Short-circuit of outputs to ground" per channel

- Diagnostics "Short-circuit of outputs to P" per channel

- Diagnostics "Open-circuit in outputs" per channel

- Diagnostics "Load voltage missing" per module

- Parameterizable substitute value

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For detailed technical specifications of the digital electronics 

modules, see: 
• Catalog IK PI
• Mall/CA 01 under "Distributed I/Os / ET 200pro"

B) Subject to export regulations: AL: N, ECCN: EAR99H

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Actuators and sensors are connected using commercially-avail-

able 5-contact M12 plugs on the connection module. The con-

nection module is plugged onto the electronics module, and 

screwed to the latter. The following connection modules (to be 

ordered separately) are available for the above-mentioned elec-

tronics modules:
• CM IO 4x M12 (for EM DI and EM DO)
• CM IO 8x M12 (for EM DI)
Depending on the selected connection module, each plug for 

the 8-channel digital input module has one or two channels:
• 4 x M12 round plug connections with 2 channels per plug 

(double assignment)

• 8 x M12 round plug connections with 1 channel per plug 

(single assignment)

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Order No.

Digital input modules

24 V DC, with channel diagnos-

tics, including bus module. Con-

nection module must be ordered 

separately

B)

Digital output modules

24 V DC, 2 A, with channel diag-

nostics, including bus module. 

Connection module must be 

ordered separately

B)

4 M12 sockets for connecting 

digital or analog sensors/actua-

tors to ET 200pro

B)

8 M12 sockets for connecting 

digital sensors/actuators to 

ET 200pro

B)

for color-coded identification of 

the CM IOs in white, red, blue and 

green; pack with 100 units of 

each color

For plugs, cables and further 

accessories, see Catalog IK PI or 

Mall/CA 01 under "Distributed I/O 

/ ET 200pro"

© Siemens AG 2007