TREND EM3_CT_N - Manual (Page 8)

Operation
PowerRail303 Page 6
Press .
Demand
PER 30
kW Demand Period in Minutes
The kW demand period, in minutes, is only displayed on meters supplied with this factory fitted
option.
Press .
br 9600
Serial Communication Baud Rate
The baud rate is only displayed on meters supplied with the Modbus serial communication factory
fitted option.
Press .
Addr 1
Modbus Address
The Modbus address is only displayed on meters supplied with the Modbus serial communication
factory fitted option.
2.7 Pulse Output
An isolated pulse output is provided for connection to external systems such as Building Energy
Management Systems (BEMS), data loggers, remote counters etc.
A single pulse occurs for each unit of energy on the display (eg 1 pulse per 0.1kWh). The pulse
rate (amount of energy associated with each pulse) and pulse length may be set to suit the
external system.
2.7.1 Pulse LED
A green LED on the front panel of the instrument pulses ON during each output pulse.
Pulse Output Indicator