Wiring Loads/Actuators; Overview - Siemens SIMATIC ET 200AL System Manual

Wiring loads/actuators

6.1

Overview

Introduction
This chapter describes the basic procedure for wiring loads/actuators to analog outputs.
Information on specific wiring options is available in the manual of each module.
For detailed information on cable routing and shielding, potential equalization, etc. please
refer to the function manual Configuring interference-free controllers
(http://support.automation.siemens.com/WW/view/en/59193566).
Abbreviations used in the figures
Key to the abbreviations in the figures below:
AQ
M
L+
S +/S
n
QV
QI
n
M
ANA
U
ISO
Lines for analog signals
Always use shielded twisted-pair cables to wire the analog signals. This improves immunity.
Analog value processing
Function Manual, 06/2014, A5E03461439-AC
Analog output module
Ground connection
Supply voltage connection
- Sense line channel n
n
+/QV - Voltage output channel n
n n
+/QI - Current output channel n
n
Reference point of the analog ground
Insulation voltage
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