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Relay Outputs
Current Loop
Outputs (per
Point)
SECURITY
CERTIFICATION AND SPECIFICATION
PERFORMANCE
Flow rate
Transport time
Sample line
tubing
Tubing length
Exhaust line
tubing
Exhaust length
OPERATING CONDITIONS
Temperature
Humidity
Altitude
Pollution degree
WIRING REQUIREMENT
Power
Outputs
VC4™
Relay contacts (500mA minimum) 2A @ 120VAC, form C contacts.
Programmable low and high levels, maintenance, watch dog, energized
or de-energized, latching or nonlatching
4-20mA isolated (2-4mA range available for fault indicators)
Role-based access control Support HTTPS
EN50270; UL/IEC/EN 61010； FCC, NCC for RFID
Refer to product manual for complete gas list
2.8 LPM
Less than 40 seconds up to 325ft with thin wall tube (0.190"ID)
1/4 in. (6.35 mm) O.D. x 0.190in. (4.83 mm) (Thin wall) Teflon tubing
Up to 400ft (120m) maximum
1/4 in. (6.35 mm) O.D. x 0.190in. (4.83 mm) (Thin wall) Teflon tubing or
Polypropylene tubing
Up to 50 ft. (15 m) maximum
50°F to 140°F (10°C to 40°C)
20-80% RH
-1000 ft. (–305 m) to 6000 ft. (1829 m) above sea level
2
Singe phase power, Minimum 14 AWG
Modbus TCP/IP: CAT5 shielded cable or equivalent (RJ45 connector)
Modbus RTU: 2-wire stranded, shielded cable or equivalent (24-14
AWG)
Serial outputs: DB9 connector
Relay output: 24-14 AWG
Current output: 24-14 AWG
105
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