Rockwell Automation 1771-IE,D17716.5.7 ANAL.INPUT MOD. - Manual (Page 27)

Calibrating the Analog Input Module
Chapter 5
5Ć2
Before you calibrate, follow these steps:
1. Turn OFF power to the I/O chassis backplane and to your wiring
arm.
WARNING: Remove power from the 1771 I/O backplane and
wiring arm before removing or installing an I/O module.
Failure to remove power from the backplane could cause
injury or equipment damage due to unexpected operation.
Failure to remove power from the backplane or wiring arm
could cause module damage, degradation of performance, or
injury.
2. Disconnect all analog signal inputs from the module’s wiring arm
(leave 5V, +15V DC, and COMMON connections attached). Label
the inputs to aid you in reconnection.
3. Remove the module from the chassis by pivoting the wiring arm
down and releasing the plastic lever at the top of the module. Pull
the module straight out from the slot.
CAUTION: Electrostatic discharge can degrade performance or
cause permanent damage. Refer to the guidelines at the
beginning of chapter 3.
4. Remove screws from the four corners of each cover plate and
remove the covers. This gives you access to internal switch
assemblies.
Connect your industrial terminal to your processor so you can display
channel input values in BCD during calibration. Be sure your processor is
programmed to block transfer data from the module. For safety purposes,
disable all outputs or disable your ladder program except for transferring
data from the module you are calibrating.
To calibrate the module, you
Before You Calibrate
Calibrating the Input Module