Alarm Indication
Alarm Sound |
Indicator unit
– Alarm lamp: blnks on alarm, lights up by reset, latching (or non-latching)
Alarm unit
– Trouble lamp:
red lamp lights up (1st stage, 2nd stage) when at least one indicator unit is activated
yellow lamp lights up when at least one indicator unit cause a malfunction |
| External Output |
Terminal for collective alarm
– 2nd alarm contact: 1a non-voltage (STD) (100 VAC, 1A. 24 VDC, 1A load resistance)
– 1st alarm contact: 1a non-voltage (STD) (100 VAC, 1A. 24 VDC, 1A load resistance)
– Buzzer contact: 1a non-voltage (STD) (100 VAC, 1A. 24 VDC, 1A load resistance)
– Trouble contact: 1a non-voltage (STD) (100 VAC, 1A. 24 VDC, 1A load resistance)
*Collective alarm contacts of 1st alarm and 2nd alarm can be changed to 1b contact (need to specify)
Terminal for individual alarm
– 2nd alarm contact: 1a non-voltage (STD) (250 VAC, 2A. 24 VDC, 2A load resistance)
– 1st alarm contact: 1a non-voltage (STD) (250 VAC, 2A. 24 VDC, 2A load resistance)
Analog output
– Gas concentration analog output signal: 4-20 mA, selectable from 1-5 V (need to specify) |