Basic Documentation

A passive T1 temperature sensor can be connected to the input. It must be
connected according to the following diagram:
Connection diagram
T1
G
G
G0
X... M
G0
B...
N
3101A10
AC 24 V
An active sensor can be connected to the input. It must be connected according to
the following diagram:
Connection diagram for
DC 0…10 V
G
G
G0
G0
N
3101A11
AC 24 V
X... M
G1
B...
B
MG
A passive setpoint adjuster (e.g. BSG21.1 or QAA25) can be connected to the
input. It must be connected according to the following diagram:
Connection diagram for
0…1000 Ω
MB1
BSG21.1
3101A12
(1)(2)
G
RM
G
G0
X... M
G0
QAA25
N1
AC 24 V
G
G
G0
X... M
G0
N1
AC 24 V
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Siemens Universal Controllers RLU2… CE1P3101en
Building Technologies Inputs 29.08.2008