Siemens LMV5 Series Basic Documentation page 175

Description of the connection terminals (cont'd)
Connection symbol
X50
X51
X52
X60
X61
X62
Siemens Building Technologies
HVAC Products
Description
PIN6 x Reference ground (PELV)
PIN5 x Communication signal (CANL)
PIN4 x Communication signal (CANH)
PIN3 x
AC power supply for actuators / display and
operating unit AZL...
PIN2 x
PIN1 x Shield connection (functional earth)
PIN6 x Reference ground (PELV)
PIN5 x Communication signal (CANL)
PIN4 x Communication signal (CANH)
PIN3 x
AC power supply for actuators / display and
operating unit AZL...
PIN2 x
PIN1 x Shield connection (functional earth)
PIN4 x Functional earth
PIN3 x AC power supply from transformer to LMV51...
system
PIN2 x Reference ground (PELV)
PIN1 x AC power supply from transformer to LMV51...
system
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
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)
PIN2 x Voltage input for temperature / pressure signal
(input 2, TEMP / PRESS INPUT DC 0...10 V
PIN1 x Power supply for temperature / pressure
transmitter
PIN5 x Functional earth for shield connection
PIN4 x Reference ground
PIN3 x Current input for setpoint or load (input 3,
SETPOINT INPUT)
PIN2 x Voltage input for setpoint or load (input 3,
SETPOINT INPUT)
PIN1 x Power supply for setpoint changeover
Basic Documentation LMV51...
10 Description of the connection terminals
Electrical rating
DC U ← 5 V, Rw = 120 Ω ,
level to ISO-DIS 11898
AC 12 V +10 % / -15 %,
50...60 Hz,
fuse max. 4 A
DC U ← 5 V, Rw = 120 Ω ,
level to ISO-DIS 11898
AC 12 V +10 % / -15 %,
50...60 Hz,
fuse max. 4 A
AC 12 V +10 % / -15 %,
50...60 Hz
AC 12 V +10 % / -15 %,
50...60 Hz
DC 0...20 mA
DC 0...10 V
approx. DC 20 V
max. 25 mA
DC 0...20 mA
DC 0...10 V
approx. DC 24 V
max. 2 mA
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CC1P7550en
01.10.2003