Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 165)

Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
6-55
Technical data
Voltage output
• Short-circuit protection Yes
• Short-circuit current Typically 55 mA
Current output
• No-load voltage Typically 17 V
Destruction limit for externally applied voltages/currents
• Voltage measured between the outputs and M
ANA
Max. 16 V
• Current Max. 50 mA;
Connection of actuators
• For voltage outputs
–
wire connection
– wire connection (test lead)
Possible, without compensation of
cable resistance
Not possible
• For current outputs
–
wire connection
Possible