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Honeywell MIDAS-M Quick Reference Manual page 13

Fixed single point extractive, multi gas transmitter
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Weight
Power Requirements:
Operating Voltage
Operating Voltage
with Power over
Ethernet (PoE)
Power Consumption:
Transmitter unit
(normal condition)¹
Transmitter unit
(full load condition)²
Transmitter with
optional relay
Outputs:
Communications
¹ Normal condition:
(1) No gas alarm
(2) Without tube and pressure/vacuum
²Full load condition:
(1) 4-ch gas alarms are on
(2) Maximum tubing length and pressure/vacuum on the inlet/exhaust line
0.31 kg (0.68 lb)
24 VDC Nominal 15 to +10% (20.4 to 26.4 VDC)
48 VDC PoE (IEEE 802.3af compliant)
Typ. 5W
< 11.45W
< 12.9 W
Visual
Alarm, power, fault LEDs, and LCD with all the
gas readings and events.
LEDs: Power(Green), Alarm 1 (Red), Alarm 2
(Red), Fault (Yellow)
Relays
Alarm1, Alarm2, Fault Relays (3) rated 1.0 A @
30VDC or
1.0A @ 30Vdc or 0.5A @ 125Vac Max
10 uA @ 10 mV minimum, configurable as nor-
mally open or closed, latched or unlatched.
Analog
3 wire sink, 3 wire source, or 4 wire fully isolated;
0 to 21 mA. for each channel.
Digital
Modbus / TCP Ethernet / Power over Ethernet
(PoE)

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