SPECIFICATIONS
For PT920 Control Module
Display Range:
0 to 99 for Toxic and Combustibles
0 to 25.0 % for Oxygen deficiency ( 3 Digit
Display)
Input Signal
:
4-20mA
Relay Ratings
:
4 each Form C type relay contacts
Rated 5 Amps each
Low, High, High-High, and Malfunction
Field programmable alarm levels, Latching or
non-latching, Normally open or Normally
Closed contact
Visual Indicators:
4 Bright LEDs on the front panel to indicate
alarm status. Amber LED for Low Alarm
Red LEDs for High and High-High and
Malfunction Alarm
Power Input:
24 VDC power input. Power is supplied
to remote sensor & transmitter through a 2
Amp miniature fuse
Power Consumption
:
< 1 Watt normal operation for each control
module. Max of 2.4 watt with all relays active.
Alarm Reset
Pushbutton switch on front panel to Reset
Alarms
Alarm Bypass
Toggle Switch to Bypass / Inhibit Alarm relays
6
