Watlow Relay Interface Board - Manual (Page 13)

Relay Interface Board Installation Guide
9
TABLE 2. Jumper Positions
Jumper Jumper Position A Jumper Position B
Jumper Position C
(JU3 only)
JU1 Controller supplies
+5 Vdc to power both
24-module I/O boards.
TB1 terminal 1 can
supply power to a
32-module I/O board. Controller power supply
is disconnected. TB1
terminal 1 can connect
+5 Vdc power from an
external supply to both
24-module I/O boards.
JU2 Module 3 (on the I/O
board connected to
connector J2) is con-
nected to the control-
ler’s digital input 1. The
module should be an
input module. Module 3 (on the I/O
board connected to con-
nector J2 is connected
to controller digital out-
put 34. The module
should be an output
module.
JU3 Module 2 (on the I/O
board connected to con-
nector J2) is connected
to the controller’s pulse
input. The module
should be an input
module. Module 2 (on the I/O
board connected to con-
nector J2) is connected
to the controller’s digital
input 2. The module
should be an input
module. Module 2 (on the I/O
board connected to
connector J2) is con-
nected to the control-
ler’s digital output 33.
The module should be
an output module.