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Building Technologies Basic documentation LMV37.4... CC1P7546en
28 Parameter list LMV37.4 17.12.2018
Par. Parameter Number of Type Edit Value range Increment Default Password level
no. elements Min. Max. setting write read
1…7200 s
143 Reserved 1 Std_u8 edit 1 8 1 1 IS IS
144 Reserved 1 Std_u16 edit 10 s 60 s 1 s 30 s HF HF
145 Device address for Modbus of LMV37.4
Setting value:
1…247
1 Std_u8 edit 1 247 1 1 HF HF
146 Setting of Baud rate for Modbus communication
0 = 9600
1 = 19200
1 Selection edit 0 1 1 1 HF HF
147 Setting of parity for Modbus communication
0 = none
1 = odd
2 = even
1 Selection edit 0 2 1 0 HF HF
148 Default output if communication with building
automation is interrupted
Setting values
For
modulation operation the setting range is as
follows:
0…19.9 = burner off
20…100 = 20…100% burner rating (20 = low-fire
position)
For
multistage operation apply to setting range:
0 = burner OFF
P1...P3 = stage 1...stage 3
Default setting:
Invalid
1 Output edit/
clear
0% 100% 0,1% undefined HF (GA) HF (GA)
161 Number of faults 1 Std_u16 read only 0 65535 1 0 --- IS
162 Operating hours resettable 1 Std_s32 resettable 0 h 9999999 h 1 h 0 h IS IS
163 Operating hours when LMV37.4 is live 1 Std_s32 read only 0 h 9999999 h 1 h 0 h --- IS
164 Number of startups resettable 1 Std_s32 resettable 0 9999999 1 0 IS IS
166 Total number of startups 1 Std_s32 read only 0 9999999 1 0 --- IS
167 Fuel volume resettable [m³, l, ft³, gal] 1 Std_s32 resettable 0 99999999 1 0 IS IS
176 Switching back to pilot switching cycles 1 Std_s32 read only 0 9999999 1 0 --- IS
186 Software drop out delay time of flame signal (100 ms) 2 Std_u8 edit 0 LMV37.400Ax: 20 1 0; 0 OEM OEM
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