User Manual
Appendix A Technical Specifications
Multi-Mon Multiple Circuit Energy Monitor
61
Appendix A
Appendix A Appendix A
Appendix A Technical Specifications
Technical SpecificationsTechnical Specifications
Technical Specifications
Environmental Co
Environmental CoEnvironmental Co
Environmental Conditions
nditionsnditions
nditions
Indoor use only
BFM is intended for operation in environment where normally only non-
conductive pollution occurs as defined for pollution degree 2 (UL61010,
3.6.6.2)
Operating Temperature: -40°C to 70°C (-40°F to 158°F)
Storage Temperature: -40°C to 80°C (-40°F to 176°F)
Humidity: 0 to 95% non-condensing
Altitude: 2,000m max
Input Ratings
Input RatingsInput Ratings
Input Ratings
Parameter
ParameterParameter
Parameter
Value
ValueValue
Value
Fundamental frequency 50/60 Hz
AC Voltage
AC Voltage AC Voltage
AC Voltage
4 wires, 3 phases+ neutral
Reference Voltage (115) 88-136 VAC or
(230/400 – 277/480) 176-320 VAC
Maximum Line to Neutral voltage 320 V
Maximum Line to Line voltage 544V
Burden per phase <1.5W
AC Voltage for Measurement and
Power supply
Maximal apparent power consumed
from power line < 10VA
Isolation 2.5 kV RMS, 60Hz, 1 min
Leakage current < 0.005A per circuit
Impulse 1.2/50µS 6 kV
Fuse rating 6A, 600V
AC Current
AC CurrentAC Current
AC Current
36 current circuits
Maximum measurable current Imax
(In=50A)
400 A
Test current 15 A
Maximum overcurrent for 0.5 cycle of
fundamental frequency
3000 A
Burden per phase < 1 VA
Isolation 4 kV RMS, 60Hz, 1 min
LCD Display
LCD Display LCD Display
LCD Display
No. Of Digits 2 Rows, 16 digits in each
Operating Temperature: -20°C to 70°C (-4°F to 158°F)
Non-volatile Memory storage life 20 years
RTC storage upon loss of power 24 Hours minimum
1 Week typical
Push buttons 4
Voltage inputs terminal 10 AWG Max.
Communication Ports
Communication PortsCommunication Ports
Communication Ports
COM2 (Optional modules)
COM2 (Optional modules)COM2 (Optional modules)
COM2 (Optional modules)
Serial EIA RS
Serial EIA RSSerial EIA RS
Serial EIA RS-
--
-232 optically isolated port
232 optically isolated port232 optically isolated port
232 optically isolated port
Connector Type: DB9 female.
Baud Rate: up to 115.2 kbps.
Supported Protocols: Modbus RTU/ASCII.
RS
RSRS
RS-
--
-422/RS
422/RS422/RS
422/RS-
--
-485 optically isolated port
485 optically isolated port485 optically isolated port
485 optically isolated port
Connector Type: removable, captured-wire, 5 terminals.
Wire Size: up to 12 AWG (up to 2.5 mm
2
).
Baud Rate: up to 115.2 kbps.