Siemens simatic et200sp User Manual

Wiring
3.2 Connection examples
Analog input module AI Energy Meter 480VAC ST (6ES7134-6PA20-0BD0)
18 Manual, 12/2015, A5E36061895-AA
3.2
Connection examples
The following figures show the connection of the Energy Meter for three-phase, two-phase
and single-phase measurements. Note that the Energy Meter must always be connected via
a current transformer. The use of voltage transformers is optional.
Connection type
Wiring diagram
Comment
3P4W
Three-phase measurement,
4 wires
Any load
Connection with three current transformers
3P4W
Three-phase measurement,
4 wires
Any load
Connection with three current and three
voltage transformers
3P4W1
Three-phase measurement,
4 wires
Balanced load
Connection with one current transformer

Siemens simatic et200sp Specifications

General

Category	I/O Systems
Power Supply	24 V DC
Protection Rating	IP20
Number of Modules	Up to 64 modules
Mounting	DIN Rail
Communication Protocols	PROFINET, PROFIBUS
Storage Temperature	-40 °C to +70 °C
Digital Inputs	Yes (depending on module)
Digital Outputs	Yes (depending on module)
Analog Inputs	Yes (depending on module)
Analog Outputs	Yes (depending on module)
Modularity	Modular
Relative Humidity	5 to 95% (non-condensing)
Weight	Varies by configuration
System Type	Distributed I/O