Siemens SIPROCESS GA700 - Overview: Spark Suppression for Rack-Mounted Device

Connecting
6.2 Electrical connections
70
Quick Start
Compact Operating Instructions, 05/2018, A5E31805656-06
6.2.6.1
Overview: Spark suppression for rack-mounted device
①
Sub-D connector, 37-pin: Pin number 6: Function in the analyzer
②
Terminal end/spark suppression
③
Power supply unit
DI ...
-P
Digital input. Floating
via optocoupler:
"
0
"
0 V (-3 ... +5 V)
"
1
"
24 V (15 ... 33 V)
DO
Digital outputs: Contact load max. 24 V/1.7 A, AC/DC. Shown relay contacts: relay coil has
zero current
Figure 6-23 Rack-mounted device: Example of spark suppression on a relay contact