Legend To The Sequence Diagrams - Siemens LMV51 Series Basic Documentation

Legend to the
sequence diagrams
Depending on the parameter, VP takes place:
between Ph 62 and 70 and / or
between Ph 30 and 32
Signal Signal
ON
0 - 3 s
1) Parameter:
2) Parameter:
3) Delayed shutdown within ts
4) Parameter:
5) Parameter:
Normal startup
Direct startup
6) Sequential phase = 24
7) Only with valve proving during startup
8) Parameter:
9) Parameter:
10) Fan controlled as before
Running time when locked out = T_FanLockout
11) Parameter:
12) With valve proving in startup phase 10
13) Parameter:
Normal purging:
Continuous purging: Checking for on in 10 and 12,
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OFF phase
00, Rep = 0
01
12, Rep > 0
Parameter direct start
Checking with controller on
Devation --> 10
No Rep decrement
10
70
Without VP 70
With VP 80
62
Stop, up to Ph -
Max. time 01
Stop, up to Ph -
Max. time 10
00, Rep = 0
01
12, Rep > 0
0 - 3 s
00, Rep = 0
01
12, Rep > 0
0 - 30 s
00, Rep = 0
01
12, Rep > 0
79
Param.
10
Input : Don't care
Output : OFF
Output : ON
7550f20E/0601
With / without PM
Short / long preignition time
for oil only
short / long oil pump
ON time
Output as startup signal /
PM relief valve
Normal / direct startup
sequential phase = 10
sequential phase = 79
(when R = ON)
With / without alarm
on prevention of startup
With continuous purging
With / without extraneous light
test in standby
Normal / continuous purging
Checking for off in 10,
Stop to Ph-max time -> 01
Stop to Ph-max time -> 01
Basic Documentation LMV51...
3 Burner control
Assignment of times :
t0 Postpurge lockout position
t01 MaxT_SafetyPhase
t10 MinTimeHomeRun
t21 MinT_StartupRel
t22
FanRunupTime
tv PrepurgeTime_Gas / Oil
t30 PrepurgePt1
PrepurgePt3
t34
t36 MinOnT_OilPump
t38 PreignitionT_Gas / Oil
PreignitionT_Off
t42
ts1
SafetyTime1 Gas / Oil
t44 Interval1 Gas / Oil
t50
SafetyTime2 Gas / Oil
t52
Interval2 Gas / Oil
t62 MaxTimeLowFire
t70 AfterburnTime
t74 PostpurgeT1 Gas / Oil
t78 PostpurgeT3 Gas / Oil
t80
VP_EvacTime
t81 VP_TimeAtmPress
t82
VP_FillTime
t83 VP_TimeGasPress
tmx1
MaxDampRunTime
tmx2 MaxT_ StartupRel
tmx3 MaxT_CircHOil
Permissible positioning range
In standby : actuator can travel within
the permissible positioning range, but
is always driven to the home position.
Must be in the home position before
changing the phase
90° : Actuator fully open (90°)
HF : Pre-Purge position
PoP : Post-Purge position
IGN : Ignition position
LF : Low-Fire position
HP : Home position
0° : Position as supplied
AD Air Damper
CPI Closed Position Indicator
APS Air Pressure Switch
FCC Fan Contactor Contact
FGR Flue Gas Recirculation
PS Pressure Switch
PoP Post-Purge
PrP Pre-Purge
PS-VP Pressure Switch-Valve Proving
SLT Safety Limit Thermostat
SR Safety Relay
TL Temperature Limiter
CC1P7550en
29.05.2002