Siemens LMV5 Series Basic Documentation page 246

Connection symbol
X70
2 Wire
3 W ire - PNP
X71
Usensor
2 Wire
Pulse-IN
3 W ire - PNP
X72
Usensor
2 Wire
Pulse-IN
3 W ire - PNP
X73
Start - OUT
12-24VDC Alarm-IN
0/4-20mA Setpoint OUT
246/278
Siemens Building Technologies
HVAC Products
17.5 Description of the connection terminals for the
variable speed drive module
PIN1 x
Usensor
PIN2 x
Pulse-IN
PIN3 x
PIN4
Reserve
PIN5 x
FE
PIN1 x
PIN2 x
PIN3 x
FE PIN4 x
PIN1 x
PIN2 x
PIN3 x
FE
PIN4 x
PIN1 x
PIN2 x
PIN3 x
PIN4 x
PIN5 x
FE
PIN6 x
Basisdokumentation LMV5x...
17 Addendum 3: Variable speed drive (VSD) module
Description
Power supply for speed sensor
Speed input
Reference ground
Reserve
Functional earth for shield connection
Power supply for fuel meter
Fuel meter input gas
Reference ground
Functional earth for shield connection
Power supply for fuel meter
Fuel meter input oil
Reference ground
Functional earth for shield connection
Reference contact
Release contact
Alarm input
0 / 4...20 mA control of variable speed drive
Reference ground
Functional earth
Electrical rating
approx. DC 10 V
max. 45 mA
approx. DC 10 V
max. 45 mA
approx. DC 10 V
max. 45 mA
max. AC / DC 24 V
max. 2 A
DC 0...24 V
0...20 mA
RLmax = 750 Ω
CC1P7550de
01.10.2003