Potential Distributor Modules; Introduction - Siemens SIMATIC ET 200SP Manual

Potential distributor modules

6.1

Introduction

Properties of potential distributor modules
A potential distributor module (PotDis module) consists of a potential distributor BaseUnit
(PotDis-BU) and a potential distributor terminal block (PotDis-TB) installed on top of it.
A system-integrated potential distribution is possible with the various PotDis-BUs and
PotDis-TBs.
You can place potential distributor modules at any location with the ET 200SP distributed I/O
system. In doing so, you must observe the same design rules that apply to the design of a
potential group from the BaseUnits for I/O modules. The following information is particularly
important:
● The potential groups opened with a light-colored PotDis-BU must contain no I/O modules.
You can integrate any dark-colored PotDis-BUs into I/O module potential groups provided
these are based on SELV/PELV supply.
● If you do not need the additional terminals of the PotDis-TB in a potential distributor
module, replace the PotDis-TB with a BU-Cover.
● You may only connect one potential group within a combination of PotDis-BU and PotDis-
TB.
● Only SELV/PELV potentials are permitted on PotDis-BUs. Separate different SELV/PELV
potential groups using light-colored PotDis-BUs.
● With potential distributor modules you may only connect to the PotDis-TB versions BR-W
and n.c.-G potential, which exceed the voltage level of SELV/PELV.
● PotDis terminals are not directly configurable as PotDis via GSD/GSDML. When
configuring with GSD, always use an empty module; with GSDML, integrate a free space.
Potential distributor modules are configurable with STEP 7/STEP 7 TIA Portal. Individual
versions are listed in the following table:
Engineering with
STEP 7 TIA Portal
•
•
•
•
STEP 7
•
You can find additional information on the use of the potential distributor modules in the
ET 200SP Distributed I/O System
(http://support.automation.siemens.com/WW/view/en/58649293) system manual.
BaseUnits (6ES7193-6BP.../3RK1908-0AP00...)
Manual, 02/2018, A5E03727049-AJ
Configurable as of version
Configurable as of version
Configurable as of version
Configurable as of version
Configurable as of version
version/HSP
HSP0241 up to V13 SP1 Update 8
HSP0241 up to V14
HSP0241 up to V14 SP1 Update 5
HSP0241 up to V15 Update 1
HSP0293 up to V5.5 SP4
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