User Manual

I/O T ermination Assembly
46 Industrial Control Services
A set of five screw terminals on the Varelco variant of the ITA provides
the facility to ground the spare Varelco pins and fo r the reference
analog voltage to be connected to the I/O module. The detailed
connections are listed in Table F - 3.
Table F - 3. Varelco J10 Connection Details.
Connector
Ident
Pin Ident
Comments
J10
A
Connect to module
AREF1 & AREF2.
J10
B
Connect to AGND (T7420
only).
J10
C
Link to Field Supply
Return.
J10
D
No Connection.
J10
GND
No Connection.