Analog Calibration - Overview
Revision 18 HC900 Process Controller Installation and User Guide 180
02/14
Analog Calibration
Overview
All calibration data for Analog Input Modules and Analog Output Modules is stored in non-volatile
memory in the I/O modules. Calibration data is stored for each channel of each AI or AO module.
Calibration data for each channel can be either:
• Factory calibration, which is stored permanently in the module, and
• Field Calibration, which is entered from an HMI (OI- on the RS-485 Port, and/or a PC on the RS-232
Port and/or the Ethernet 10Base-T Port using Designer Software .
A field calibration procedure consists of two parts:
• Connecting a calibration device to each channel of an AI or AO module, and
• Using the Operator Interface, HC Designer, or HC Utilities to select actions and enter custom calibration
data values calibration into the I/O module.
This section contains information and instructions for connecting calibration devices.
Hazardous voltages exist at the Power Supply and at the terminal boards on I/O
Modules
Only trained and authorized personnel should perform the procedures in this section.
Failure to comply could result in death or serious injury.
ATTENTION
For calibration procedures, refer to the Operator Interface manual or Process Control
Designer manual.
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