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72 Commissioning
750-458 8AI; TC; Adjust
Manual
Version 1.3.0
Table 39:
Monitoring
menu item > … >
Cold Junction Compensation
Option
Description
Process value overview
Channel
Displays the I/O module channel
Process value
Displays the process value of the I/O module channel selected in Celsius
or in mV (depending on the sensor type set, see menu item
Channel
settings
);
if the channel is deactivated, “N/A” (not available) is displayed.
The process value is read cyclically from the I/O module.
Process value (hex)
Displays the process value of the I/O module channel selected in
hexadecimal notation;
if the channel is deactivated, the process value (hex) “0x7FFF” is
displayed.
The process value (hex) is read cyclically from the I/O module.
Cold junction compensation
Current temperature of
the internal cold junction
Displays the internal cold junction temperature in Celsius;
if the channel is deactivated, “N/A” (not available) is displayed.
The current temperature value of the internal cold junction is read
cyclically from the I/O module.
External cold junction
specification
Specify the temperature in Celsius for the external cold junction
compensation.
7.1.1.4.6 “Information” Menu Item
This area provides an overview of the specifications for the I/O module used. You
obtain information about the following points:
• Article number
• Description
• Hardware version
• Software index