Sequence Diagrams - Siemens LMV50 Series Manual

Gas direct ignition (G)
Timer - Result - Relationship
Timer 1
Timer 2
Timer 3 = Phase max. time
RAST plug
Function inputs
pin number
X4-01 Pin 1 Operating mode gas
X3-04 Pin 1
X60 Pin 1 / 3
X5-03 Pin 1 Controller ON / OFF
Flame signal
20)
X6-01 Pin 3
External flame safeguard
Redundancy contact
X6-01 Pin 1
External flame safeguard
X6-01 Pin 3
X6-01 Pin 1
X3-02 Pin 1
Air pressure switch
X4-01 Pin 3 Fan contactor contact
Flue gas recirculation
X4-01 Pin 3
pressure switch
X5-03 Pin 3
Cooling function
27)
X7-03 Pin 2
CPI gas
X9-03 Pin 2
X7-03 Pin 2
CPI oil
X9-03 Pin 2
X7-03 Pin 2
CPI gas + oil
X9-03 Pin 2
X9-03 Pin 4
X7-03 Pin 2
X9-03 Pin 3
X9-03 Pin 2
RAST plug
Function outputs
pin number
X3-01 Pin 1 Fan motor
X4-02 Pin 3
Ignition
X4-03 Pin 3
X4-03 Pin 3 Pressure switch release
Pressure switch release
X4-03 Pin 3
inverse
X3-01 Pin 2
X9-01 Pin 1 Shutoff valve
X9-01 Pin 4 Fuel valve 1
X9-01 Pin 3 Fuel valve 2
90° / 100%
Building Technologies

5 Sequence diagrams

P
P
P
P
P
0° / 0%
Figure 31: Fuel train application – program gas direct ignition (G)
Basic Documentation LMV5...
5 Sequence diagrams
TSA1
1)
Shutdown
1)
Valve proving
73/327
CC1P7550en
22.05.2018