Information

Connecting energy meters to StecaGrid coolcept / coolcept³
inverters
WIM Version: 11/11/2016
Connecting energy meters to StecaGrid coolcept / coolcept³ inverters
Page
8
of
14
8 Herholdt ECS3-80 B Modbus (ECSEM 72)
This three-phase energy meter is designated as "Herholdt ECS3" in the "Meter type" field in the energy
management settings of the StecaGrid coolcept / coolcept³.
Device connection Inverter RJ10 Bus signal Herholdt ECS3
Contact / Pin
1
Data A
≙
D+
6
2 Data B
≙
D- 5
3
Ground
≙
Shield
7
4
---
---
Fig. 12 Circuit diagram for Herholdt ECS3-80 B Modbus
RS485 interface settings
at the Herholdt ECS3 energy meter
Menu item
Settings
Address
1
Baud rate
19200
Baud
Parity
None
Stop bits
1