Critical Environment Technologies CET-RDM, Operation Manual, Page: 10 / 32

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RDM - Operation Manual Rev. B | 2021.12
USER INTERFACE
Display
4-line, 20 character LCD display and LED indicators
for “STATUS 1, 2 and 3” , “FAULT”
Configurable contrast (default is 20)
Indicator
Status LED indicators for low, mid, high and fault
alarms
Menu Accessed using up, down and enter push buttons
INPUT/OUTPUT
Communication
Receives Modbus® commands from the FCS and
duplicates the much of the display information
Outputs
One drive output for a 24V, max 500 mA remote
strobe/horn
Audible Alarm Internal buzzer
ENVIRONMENTAL
Operating
Temperature
-20°C to 40°C (-4°F to 104°F)
Operating Humidity 15 - 90% RH non-condensing