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M-Controller2 and Accessories

This product is covered by ACI's Two (2) Year Limited Warranty. Learn more

Product specifications

Supply Voltage:
18 to 30VDC, 24VDC nominal | 15 to 24VAC 50/60HZ, 24VAC nominal | Half-wave or full wave rectified
Supply Current / Power Consumption:
750mA Max
Operating Temperature Range:
-4ºF to 122ºF (-20ºC to 50ºC)
Operating Humidity Range:
0% to 95% RH Continuous non-condensing
Operating Environment:
Indoor Use only
On-board keypad or M-View software (software and USB programming cable included)
Communication Protocol:
Modbus RTU (Slave) or BACnet IP(Optional)
Digital: 4 Parallel RS-485 ports allow up to 32 QEL gas sensors, and up to 99 relays Analog: 8 channels of 4-20 mA inputs with one common Binary: 2 dry-contact switch inputs
Optional 8 analog channels of 4-20 mA signals with one common
Status LED Indication:
Ten (10) LEDs: Three (3) Relay status, Hush, Fault, and Power |TX/RX Status for Sensor Network TX/RX Status for Modbus/BACnet Network
Four-line Backlit LCD
6X tactile & audible keypad
# of Relays:
Three SPDT Form C, Dry Contact | 5.0A resistive 240 VAC, 30 VDC | 3.7A inductive 240 VAC, 30 VDC
Relay Life Expectancy:
Mechanical: Minimum 5,000,000
Time Delays:
Actuation / De-Actuation: 0 to 60 minutes
90 db @ 12” (30 cm), 2700 Hz; 3 Buzzer tones
Horn & Strobe:
Two dedicated dry contact terminals with dedicated 24VDC power terminal, 750mA Max
Storage Temperature Range:
32ºF to 68ºF (0ºC to 20ºC) 0 to 99% RH Non-Condensing
Enclosure Material | Color:
Steel, epoxy painted black, NEMA 1
Product Dimensions:
(H) 10.00” (254 mm) x (W) 8.00” (203 mm) x (D) 2.00” (51 mm)
Connections | Wire Size:
Terminal Blocks | Depluggable, Power Wiring: 16 to 26 AWG (0.2 to 1.00 nm²) Twisted Pair
Terminal Block Torque Rating:
0.37 ft-lbs (0.5n-3m) Nominal
Communication Wire:
Belden 9841 or equal
Product Weight:
5.00 lbs (2268 g)
Agency Approvals:
Standard UL 2017, 2nd Edition 2008

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