CBX800 INSTALLATION MANUAL
26
OTHER I/O
Two further input signals and one output signal, are available on the CBX800 for readers that support them.
These further input/output options are:
two optocoupled polarity insensitive inputs (Input 3 and Input 4)
one optocoupled polarity sensitive output (Output 3)
The connections are indicated in the following diagram:
Pinout
Function
O3A
Output 3+ (polarity sensitive)
O3B
Output 3- (polarity sensitive)
+V
Power Source
– Other I/O
I3A
Input 3A (polarity insensitive)
I4A
Input 4A (polarity insensitive)
-V
Power Reference
– Other I/O
I34B
Input 3B and 4B (common) (polarity insensitive)
I34B
Input 3B and 4B (common) (polarity insensitive)
NOTE
The label for Output 3 shows 3A and 3B but this output is polarity sensitive for CBX800 (3A
= 3+ and 3B = 3-).
