6ES7138-4CB10-0AB0 SIEMENS power module
Description And Features
The Siemens 6ES7138-4CB10-0AB0 is a power module (PM-E) designed for use in the SIMATIC ET200S distributed I/O system.It provides the power supply and diagnostics functionality for a voltage group
of modules in an ET200S station.It supports a relatively broad input voltage range including AC and/or DC variants depending on version. For example, Siemens’ listing indicates
“AC 24 … 230 V” as part of the specification for this exact catalog number.According to supplier information, it is a module that is
still available (or at least in the aftermarket) although
OEM lifecycle status may need checking.
Frequently Asked Questions About 6ES7138-4CB10-0AB0
Q1: What I/O system does this module work in?
A1: It works in the Siemens SIMATIC ET200S distributed I/O system. The module is the power / supply module (PM-E) for a voltage group in that system.
Q2: What is the input voltage required?
A2: According to Siemens’ catalog page for 6ES7138-4CB10-0AB0, the supply input covers AC 24…230 V. However, note that there are other variants
(such as DC 24–48 V versions) of the PM-E power module in the ET200S range. It is crucial to
check the exact variant number and voltage specification.
Q3: What diagnostics or monitoring features does it provide?
A3: The module monitors the load voltage for the group of modules it powers. It signals via LED and via process image status byte if there is a missing
or incorrect load voltage. It also supports parameter “no load voltage” diagnostics
for detecting when the voltage group is not loaded.
Q4: Can I mount an analog I/O module after this power module?
A4: Yes — the power module supplies a voltage group of modules (digital or analog) in the ET200S system. However you must ensure
that the total current draw of the voltage group stays within the current-carrying capacity of the power module, and that the
modules are compatible with the voltage group. For example, the manual for the DC variant states the
number of modules depends on the total current of
all modules in the voltage group.
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