50 • Fieldbus controller 750-842
Hardware
Modular I/O System
ETHERNET TCP/IP
3.2.2.2 Device
supply
The supply is via fed in via terminal blocks with CAGE CLAMP
®
connection.
Device supply is intended for system supply and field side supply.
Fig. 3-18: Device supply
G
034201e
The integrated internal system supply module generates the necessary voltage
to supply the electronics and the connected I/O modules.
The fieldbus interface is supplied with electrically isolated voltage from the
internal system supply module.