
Guarded Analog Output Modules
(T7480)
18
Industrial Control Services
Figure
11
. I/O Extender Connections for Guarded Analog Output Calibration.
Within each pair of jumper posts, make sure that you connect
the resistors to the jumper posts nearest the front of the I/O
extender. Do not make any connections to the jumper posts
nearest the I/O chassis backplane —
these connect to the
actual field wiring attached to the I/O slot terminals on the I.O
chassis.
Calibration Steps
1.
Remo
ve the module to be calibrated from the I/O chassis.
2.
Install the I/O extender module into the slot from which
the module was removed.
3.
Remove the jumpers (if installed) labeled CH1 through
CH16 from the I/O extender module.
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