Siemens AVS75.39 Series User Manual page 15

Terminal markings
AVS75.370
Mains voltage
Low-voltage
Assignment of
terminals
Siemens
Building Technologies
Use
L Mains connection Phase AC 230 V
burner
Main connection protective ground wire
N Main connection Neutral conductor
QX21 Multifunctional output QX21
N Neutral conductor
Protective earth
QX22 Multifunctional output QX22
N Neutral conductor
Protective earth
QX23 Multifunctional output QX23
L Live conductor AC 230 V
FX23 Power supply QX23
EX21 Function input EX21
Use
Connection to basic unit or extension
module
Connection to basic unit or extension
module
Terminal for firmware updated
CL+ Room unit 1 Data
CL- Room unit 1 ground
G+ Room unit 1 voltage 12 V
UX21 Output UX21 (DC 0...10 V/PWM output) e
M Ground
UX22 Output UX22 (DC 0...10 V/PWM output)
BX21 Sensor input BX21
M Ground
BX22 Sensor input BX22
GX21 Power supply 5 V/12 V for active
sensors
H21 Digital/DC 0...10 V input H21
H22 Digital/DC 0...10 V input H22
M Ground
No function
With parameters
"Function extension module 1" Operating line 7300
"Function extension module 2" Operating line 7375
"Function extension module 3" Operating line 7450
are used to define usage of the respective module.
User manual RVS43.345
Mounting and installation
Socket Connector type
N L AGP4S.03E/109
T AGP8S.04B/109
S AGP8S.03B/109
C AGP8S.03K/109
Socket Connector type
X50 AVS82.490/109
X50 AVS82.490/109
X61
AGP4S.02A/109
b AGP4S.03D/109
AGP4S.03G/109
e AGP4S.03G/109
g AGP4S.04D/109
WX21
CE1U2354en_021
2013-09-02
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