User`s manual

XP8400 Overview s 31
Relay 0 Relay 2 Relay 4 Relay 5 Relay 7
Relay 1
Relay 3 Relay 6
Latch
High Current
Driver
U1
U2
U6
U7
U8
U9
U10
U3
U11 U13
P1
P2
U12
U4
LED
J1
J2
PA L
H1
Features
The XP8400 expansion board has eight low-power (500 mA) SPST DIP
relays that are normally open. Optional 12V relays are available.
A single LED on the board lights up whenever it has been addressed via
the PLCBus.
Figure 4-2. XP8400 Relay Expansion Board Layout