Siemens LMV50 series

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Building Technologies Basic Documentation LMV5... CC1P7550en
11 Description of connection terminals (AC 120 V) 22.05.2018
Description of connection terminals (cont’d)
Terminal markings
Connection symbol
Safety class Input Output
Description of connections Electrical rating
Temperature / pressure controller
X60
PIN 5
III
˜ Functional earth for shield connection
PIN 4
˜ Reference ground
PIN 3
˜
Temperature sensor input Pt / LG-Ni 1000
(Input 4, TEMP.)
PIN 2
˜
Line compensation temperature sensor
Pt100
PIN 1
˜
Temperature sensor input Pt100 (input 1,
TEMP.)
X61
PIN 5
III
˜ Functional earth for shield connection
PIN 4
˜ Reference ground
PIN 3
˜
Current input for temperature / pressure
signal (input 2, TEMP / PRESS INPUT
4...20 mA)
DC 0...20 mA
PIN 2
˜
Voltage input for temperature / pressure
signal (input 2, TEMP / PRESS INPUT
DC 0...10 V)
DC 0...10 V
PIN 1
˜
Power supply for temperature / pressure
transmitter
Approx. DC 20 V,
Max. 25 mA
X62
PIN 5
III
˜ Functional earth for shield connection
PIN 4
˜ Reference ground
PIN 3
˜
Current input for setpoint or load (input 3,
SETPOINT INPUT)
DC 0...20 mA
PIN 2
˜
Voltage input for setpoint or load (input 3,
SETPOINT INPUT)
DC 0...10 V
(up to DC 24 V on setpoint
change of X62 / pin 1)
PIN 1
˜ Power supply for setpoint changeover
Approx. DC 24 V,
Max. 2 mA
X63
PIN 3
III
˜ Functional earth for shield connection
PIN 2
˜ Reference ground
PIN 1 ˜
Current output for burner load (LOAD
OUTPUT)
DC 4...20 mA,
RLmax = 500 ς