General Troubleshooting & Service Teledyne API T703/T703U Calibrator Operation Manual
180

8.4.9.4. Control Inputs

Table 8-11: T703 Control Input Pin Assignments and Corresponding Signal I/O Functions
CONNECTOR INPUT CORRESPONDING I/O SIGNAL
Top A
CONTROL_IN_1
Top B
CONTROL_IN_2
Top C
CONTROL_IN_3
Top D
CONTROL_IN_4
Top E
CONTROL_IN_5
Top F
CONTROL_IN_6
Bottom G
CONTROL_IN_7
Bottom H
CONTROL_IN_8
Bottom I
CONTROL_IN_9
Bottom J
CONTROL_IN_10
Bottom K
CONTROL_IN_11
Bottom L
CONTROL_IN_12

The control input bits can be tested by applying a trigger voltage to an input and

watching changes in the status of the associated function under the SIGNAL I/O

submenu:

EXAMPLE: to test the “A” control input:

1. Under the DIAG SIGNAL I/O menu (See Section8.1.3), scroll through the inputs
and outputs until you get to the output named 0) CONTROL_IN_1.
2. Connect a jumper from the +” pin on the appropriate connector to the “U” on the
same connector.
3. Connect a second jumper from the “” pin on the connector to the “A” pin.
4. The status of 0) CONTROL_IN_1 should change to read “ON”.
07223C DCN6572