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11.3 Heater Burnout Alarm Action
If Heater burnout alarm and Alarm 2 (A2) option are equipped together,
they utilize common output (EV2) terminals.
11.4 Alarm Action
“A1” means Alarm 1. For Alarm 2, read “A2” for “A1”.
EV1 indicator is for Alarm 1, and EV2 indicator is for Alarm 2.
EV1 indicator lights when output terminals 3 and 4 are closed (ON), and turns off when they are open (OFF).
EV2 indicator lights when output terminals 5 and 6 are closed (ON), and turns off when they are open (OFF).
Alarm action
ON
OFF
Heater burnout alarm value
Load current
Large
Small
Output
Indicator
Unlit
Lit
5
6
5
6