4 Start-up
X-DI 16 01
Page 42 of 54
HI 801 057 E Rev. 4.00
When redundantly wired as specified in Figure 17 and Figure 18, the input modules are
inserted in the base plate next to each other and on a common X-CB 007 02/04 connector
board.
Connector Board
S
DI
X-DI 16 01
3
DI
X-DI 16 01
3
2
2
1
4 A
PE
N
L
S
External Power Supply
Channel Supply 48 VAC /120 VAC
Digital Input
Figure 17:
Redundant Wiring with Contact Maker