Siemens UL 489 Operating Instructions Manual page 165

Connections for additional inputs and outputs
IEC 61558 SELV/PELV – UL 1310 Class 2 Power Supply Only
Voltage
Power Supply:
Write Enable:
Free IN:
24 V DC
Free OUT:
Close:
Open
Ratings at T < 70°C
ambient
More detailed information about the use of these inputs and outputs can be found in the relevant system manuals
9 – 63
Max. Current
COM15/16 COM35
125 mA 125 mA
10 mA 10 mA
10 mA 10 mA
400 mA 400 mA (1A@T
400 mA 400 mA
400 mA 400 mA
< 40°C)
amb