CARLO GAVAZZI EM530 Manual De Usuario página 17

Input, output and communication
Digital input
The digital input can perform four functions:
Function Description
Tariff management Digital input used to manage the tariff
Remote status Digital input is used to check the status via Modbus or M-Bus.
Partial meters start/stop Digital input is used to enable/disable the reset of partial meters
Partial meter reset Digital input is used to enable/disable the increasing of partial meters
Digital output (version O1)
The digital output can perform two functions:
Function Description
Alarm Output associated with the alarm
Pulse output Pulse transmission output for imported active energy consumptions.
Modbus RTU port (version S1)
Modbus RTU communication port is used to transmit data to a Modbus master (Carlo Gavazzi UWP3.0 or any SCADA, PLC,
BMS, etc).
For further information about Modbus RTU communication refer to the communication protocol.
M-Bus port (version M1)
M-Bus communication port is used to transmit data to a M-Bus master (Carlo Gavazzi SIU-MBM or any third party M-Bus mas-
ter).
For further information about M-Bus communication refer to the communication protocol.
Digital input status Tariff
Open Tariff 1
Closed Tariff 2
Digital input status Register 300h
Open 0
Closed 1
Digital input status Partial meter
Open Disabled (in pause)
Closed Enabled
Digital input status Action
Open No action
Closed After 3 seconds, reset
partial meters
EM530/EM540 use
Parameters
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Parameters
Output state when no alarm is active
• Linked energy (kWh+, kWh-)
• Pulse weight
• Pulse duration
EM530/EM540 - User manual | CARLO GAVAZZI Controls SpA 17