ZM400 Series Indicators Service Manual
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8.8
External I/O Interface card
8.8 External I/O Interface card
This card allows you to connect to an external I/O interface. This card is required if you
are using the SSCU8 board (AWT05-508726) or the 16 Position I/O board (AWT05-
508727)..
The use of Ztools is required to configure the External I/O option card.
P3 is for connecting a
ribbon cable to an external
16 position I/O board (J1)
AWT05-508727
TB1
Pin
Function
1
SCL
2
SDA
3
IRQ_IN
4
GND
5
+5V
6
RESET_OUT
7
NC
S1 switch settings must
all be OFF to operate.
TB2 is for connecting to an
external SSCU8 board (TB35)
AWT05-508726.