Siemens LMV51.000B2 - Page 185

185/301
Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 10 Description of the connection
terminals (AC 120 V) 13.08.2004
Description of the connection terminals (cont’d)
Terminal designation
Connection symbol
Input Output
Description Electrical rating
Temperature / pressure controller
PIN5 x Functional earth for shield connection
PIN4 x Reference ground
PIN3 x Temperature sensor input
Pt / LG-Ni 1000 (Input 4, TEMP)
PIN2 x Line compensation temperature sensor
PT100
X60
PIN1 x Temperature sensor input PT100
(input 1, TEMP)
PIN5 x Functional earth for shield connection
PIN4 x Reference ground
PIN3 x Current input for temperature / pressure
signal (input 2, TEMP / PRESS INPUT
4...40 mA)
DC 0...20 mA
PIN2 x Voltage input for temperature / pressure
signal (input 2, TEMP / PRESS INPUT
DC 0...10 V
DC 0...10 V
X61
PIN1 x Power supply for temperature / pres-
sure transmitter
approx. DC 20 V
max. 25 mA
PIN5 x Functional earth for shield connection
PIN4 x Reference ground
PIN3 x Current input for setpoint or load (input
3, SETPOINT INPUT)
DC 0...20 mA
PIN2 x Voltage input for setpoint or load (input
3, SETPOINT INPUT)
DC 0...10 V
X62
PIN1 x Power supply for setpoint changeover approx. DC 24 V
max. 2 mA
Temperature / pressure controller
PIN3 x Functional earth for shield connection
PIN2 x Reference ground
X63
PIN3 x Current output for burner load
(LOAD OUTPUT)
DC 4...20 mA,
RLmax = 500
Ω