TR1200
12320-0702-03
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3
Display and controls
1
LED relay state
(yellow)
OFF
The relay is released
Illuminated
The relay is picked up
2 LED sensors
(yellow)
Illuminated
Displays the sensor value belonging to the LED in the digital
display
flashes,
8
Er1
8
or
8
Er2
8
Sensor error in the corresponding sensor circuit
All illuminated
Displays the value of the warmest sensor in the digital display
3
Digital display 3 digits
(red)
Display of sensor value
Display of error codes e.g.
8
Er9
8
4
Hindmost decimal point
(red)
OFF
Display mode
Illuminated
Menu mode
flashes
Parameter mode
5
LED error
(red)
OFF
normal operation
Illuminated with
8
Er1
8
,
8
Er2
8
,
8
Er8
8
or
8
Er9
8
Sensor error, malfunction, invalid parameter
6
Button Up / Down
(display mode, normal operation)
Press briefly
Change into the menu mode (see Operating instructions Point 8.4)
Press for > 2s
Displays the stored MAX value (Up) / MIN value(Down)
– press also
button Set for ≥ 2s to erase the stored value
7
Button Set / Reset
(display mode, normal operation)
Press briefly
Displays the value of next sensor (sensor LED illuminates)
Press for > 2s
Reset, back to display mode
Press for > 10s
Displays the software version (e.g.
000)
8 LED RS485 Interface
(yellow)
Rx flashes briefly
Unit is receiving data via the RS485 interface
Tx flashes briefly
Unit is transmitting data via the RS485 interface
