SC4000 REFERENCE MANUAL
34
5
wo further input signals and one output signal, which are not normally used in standard
hese further input/output options are:
ive input (Input 3)
the reading
he connections are indicated in the following diagram:
Pinout
Function
5.9 OTHER I/O
T
applications, are available on the SC4000 spring clamp terminals.
T
one optocoupled polarity insensit
one optocoupled polarity insensitive input (Input 4) only available to
device connected to the 25-pin connector
one optocoupled polarity insensitive output (Output 3)
T
O3A
Output 3A (polarity insensitive)
O3B
Output 3B (polarity insensitive)
+V
Power Source – Other I/O
I3A
Input 3A (polarity insensitive)
I4A
Input 4A (polarity insensitive) (to 25-pin connector only)
-V
Power Reference – Other I/O
I
olarity insensitive)
34B
Input 3B and 4B (common) (p
I34B
Input 3B and 4B (common) (polarity insensitive)
put 4A is not managed by SC4000 and is only available to an optionally connected reading
In
device on the 25-pin connector.
