Net Safety Monitoring Inc.
Modbus Controller & 4-20 Fire Head
15
Appendix F: S
PECIFICATIONS
C
ONTROLLER
S
PECIFICATION
Note:
Units are factory sealed.
Controller
4-20 mA ANALOG OUTPUT
RS-485 MODBUS OUTPUT
Operating Temperature Range
-40°C to +85°C (-40F to +185F)
Fire Head Power Consumption
@ 24 V dc
Nominal 170 mA / 4.08 W
Maximum 230 mA / 5.52 W
Humidity Range
0 to 100% relative humidity, non-condensing
Operating Voltage Range
10.5 to 32.0 V dc at units power terminals
Enclosure Material
Powder coated Copper Free Cast Aluminum
Certifications
CSA and NRTL/C certified for hazardous locations. Class I, Division 1, Groups B, C and D.
Temperature T5.
IEC Rating Ex d IIB+H2 T5 (Class1, Zone 1, Group 11B+H2 T5). Maximum operating ambient of 85°C.
Enclosure Type 4X.
Note: Electronics only-CSA and NRTL/C certified for hazardous locations Class I, Division 2
Groups A, B, C and D.
Weight
3.2 Kg (7.0 lb)
Current Output
4 to 20 mA - Into a maximum loop impedance of 800
Ohms at 32 V dc or 150 Ohms at 10.5 V dc. Isolated
or non-isolated loop supply.
--
Digital Output
--
Digital RS-485 Modbus RTU Protocol
Summary of Contents for MAN-0069
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