HA20, HA40 & HA71 SPECIFICATIONS
Gas Detection Controllers
HA20 and HA40 Models
General Specifications
Use Wall or rack/panel mountable digital gas controller for industrial or commercial use
Display 128 x 64 pixel graphic LCD with backlight displays, bar graphs, trends and engineering units
Common Alarm Relays (STANDARD) Two, 5 amp 30VDC or 250VAC resistive Form C
Discrete Alarm Relays (OPTIONAL) Six 5 amp 30VDC or 250VAC resistive Form C
Analog Output (OPTIONAL) 10 bit 4-20mA output. Max load 800 ohms with nominal 24VDC power supply.
Serial Port (OPTIONAL) Slave RS-485 port equipped with Tx / Rx LED’s
Power Requirement 100-240 VAC / 24 VDC are standard primary power supplies
Operating Temperature Range (-25 °C to +50 °C)
Housing Options NEMA 4X / IP66 wall mount approved for Div 2
NEMA 7 explosion-proof wall mount Div 1 & 2
NEMA 4X SS Enclosure wallmount approved for Div 2
Weight NEMA 4 = 5 pounds, NEMA 7 = 40 pounds
Warranty 2 Years Limited
HA20 & HA40 Wireless Options
Use An optional HA40 900MHz wireless interface (10-2454) can be used to communicate with an HA71 master Modbus controller.
Ratings and Certifications
Certified to CSA C22.2 No. 1010.1 & ISA S82.02; UL 1604 / C22.2 No 213 (NEMA 4X = Div 2 Groups A, B, C, D, NEMA 7 =
Protocol = Modbus RTU
An additional 900MHz wireless adapter is also required for the HA71 (10-0288).
Groups B, C, D); EN55011 & EN61000.
HA71 Model
General Specifications
Use Wall or rack/panel mountable digital gas controller for industrial or commercial use
Size 15 1/8” (H) x 13 1/7” (L) x 9 1/16” (D)
Weight 17 lbs. (wallmount enclosure); 7 lbs. (rackmount enclosure)
Power Requirement 10-30VDC (24VDC nominal) 12 watts max
Analog Inputs (optional) 12 bit 4-20mA into 100 ohms input impedance; includes +power supply terminals for each channel for routing power to 2 or 3 wire transmitters
Serial Ports Master & Slave RS-485 half or full duplex ports equipped with Tx/Rx LED’s. Protocol = Modbus RTU
Common Alarm Relays 5 amp 30VDC or 250VAC resistive Form C
Discrete Alarm Relays (optional) 5 amp 30VDC or 250VAC resistive Form C
Analog Outputs (optional) 10 bit 4-20mA output. Max. load 800 ohms with nominal 24VDC power supply
Display 128 x 240 pixel graphic LCD with backlight displays bar graphs, trends and engineering units;
Operating Temperature Range -13°F to 140°F (-25°C to 60°C)
Housing Options NEMA 4X fiberglass wall mount (shown below, left); ½ length 19 inch rack/panel mount (shown below, right); NEMA 7 explosion-proof wallmount (see manual)
Approvals CSA C22.2 No. 1010.1 & 152 for combustibles & ISA S82.02; UL 1604/C22.2 No. 213 Div 2 Groups A,B,C,D); EN55011 & EN61000
Ratings and Certifications
Certified to CAN/CSA C22.2 No. 61010-1
Conforms to ANSI/UL 61010-1
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52 discrete LED’s indicate alarm status for 3 alarms per 16 channels and common relays