FACTORY DEFAULT RESET
Follow the steps below to reset the EMCOMMS meter to factory default settings.
Caution: Restoring factory default settings will reset
all manual configurations, including customized address.
To Restore Factory Default Settings
1. Hold setup button down until all LEDs blink red (approximately 30 seconds) and release.
2. Momentarily press the setup button again within 5 seconds of the first release.
3. The LEDs will stop blinking and remain solid red for about 1 second.
4. Meter is now reset to factory default settings.
SPECIFICATIONS
(1) One side of transformer secondary is connected to signal common. Dedicated transformer is recommended.
(2) CVT Accuracy based on reading, not full scale.
Power Supply Input
12-30VDC/24VAC
(1)
, 1.5W max,100mA max.
Output
RS-485 2-wire, BACnet MS/TP, Modbus RTU, Modbus ASCII
Baud Rates 9600, 19200, 38400, 57600, 76800, 115200
RS-485 Loading 1/4 unit
Wiring Requirements
Conductor gauge 14-26 AWG
Terminal torque rating 0.4 ft-lb (0.55 N-m)
Pulse Inputs
Input Rating 3.5 +/- 0.5 VDC, short circuit current is 10mA max
Pulse Rate 50 Hz (default), configurable up to 500 Hz
Pulse Active <100 ohms
Pulse Undefined 100-1000 ohms
Pulse Idle >1000 ohms
Service Types
Configurations 1Ph, 2Ph, 3Ph Wye (4-Wire), 3Ph Delta (3-Wire)
Voltages 90VL-N through 600VL-L
Frequency 45-65 Hz
System Performance
Accuracy 1% for V, A, kW, kVAR, kVA
Current/Voltage Transducer
Accuracy
(2)
300A Rating
800A Rating
1500A Rating
2400A Rating
6000A Rating
+/-1% 30-300A (+/-3% >10A)
+/-1% 30-800A (+/-3% >10A)
+/-1% 30-1500A (+/-3% >10A)
+/-1% 50-2400A (+/-3% >15A)
+/-1% 120-6000A (+/-3% >40A)
Operating Environment
Temperature -4 to 140F (-20 to 60C)
Humidity 0-95% non-condensing
EMCOMMS Enclosure
Material Polycarbonate/ABS
Dimensions 4.1”h x 1.8”w x 0.9”d
CVT
Enclosure
Material Polycarbonate/ABS
Enclosure Dimensions 3.5”h x 1.6”w x 0.8”d
Small Rope Circumference
Medium Rope Circumference
Large Rope Circumference
Grande Rope Circumference
9”
15”
24”
36”
Compliance
U.S.A. UL Listed, File E501430
Canada UL Listed, File E501430
EMCOMMS Series Meter - Installation Instructions
5
Building Efficiency
507 E Michigan Street, Milwaukee, WI 53202
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BACnet® is a registered trademark of ASHRAE
www.johnsoncontrols.com
Published in U.S.A.
