System description
SIMOCODE pro
1-96 GWA 4NEB 631 6050-22 DS 03
1.7.6 Decoupling module (DCM) for current/voltage measuring modules,
SIMOCODE pro V device series.
When measuring voltage and power with SIMOCODE pro in ungrounded
networks, each current/voltage measuring module must have a decoupling
module connected upstream in series at the system interface. When
measuring voltage and power with SIMOCODE pro in networks with
additional insulation measurement or insulation monitoring each current/
voltage measuring module must also have a decoupling module connected
upstream in series. If using the 3UF710 current measuring module in these
networks, it is imperative that an additional decoupling module is not used.
• 1 decoupling module for connection in series upstream from a current/
voltage measuring module at the system interface
Fig. 1-38: Decoupling module, SIMOCODE pro V device series
Note
When using a decoupling module, the type and number of expansion
modules that can be connected to a basic device are limited! See
Chapter 1.7.8 "Configuration information for using an operator panel with
display and/or a decoupling module".
Using the decoupling module in different networks
A decoupling module may be required when using a voltage measuring
module, especially for the following networks:
• Insulated networks
• High-resistance networks
• Asymmetrically grounded networks
• Single-phase networks.
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