Omron GRT1 - 11-2007 Operation Manual page 192

Temperature Input Units
Names and Functions of Parts
DIP Switch
Used to set the input
type and display mode.
LED Indicators
TS Indicator
ERR Indicators
Terminal Block
The serial number is on the label
attached to the terminal block as
shown in the following figure.
The TS indicator shows the status of the Slice I/O Unit itself. Refer to 2-1-3
LED Indicators for details. (For the GRT1-TS2T only, the indicator will flash
red if an error occurs in the cold junction compensator.)
The ERR indicators show input errors.
Name Color Status
ERR0 Red Lit
--- Not lit Normal status
Main Block
The serial number is printed on
the main bock as shown in the
following figure.
SER. No.
007301C0
Terminal
Block
Error An input error has occurred in
input 0.
An error has occurred in the cold
junction compensator
(GRT1-TS2T only).
There is no input error for input 0.
Section 6-4
LED Indicators
Display Unit status.
Test Pins
Release Buttons
Terminal Insertion Holes
Cold junction compensator
Do not touch or remove.
(GRT1-TS2T only)
Meaning
171