Siemens LMV37.4 Series Basic Documentation page 234

Par. Parameter
no.
1 = speed standardization active
642 Standardized speed
Index 0 = speed 1
Index 1 = speed 2 (internal monitoring)
Fuel 1:
Index 2 = speed 3
Index 3 = speed 4 (internal monitoring)
643 Setting the speed signal
0 = asymmetrical
1 = symmetrical
644 Setting pulses per revolution
645 Configuration of analog output
0 = DC 0...10 V
1 = DC 2...10 V
2 = DC 0/2...10 V
647 No-load time for speed measurement in modulating
operation [25 ms]
652 VSD behavior when safety loop / burner flange is
open
0 = no VSD control when safety loop / burner flange
is open
1 = VSD control independent of safety loop / burner
flange
653 VSD standstill supervision in standby mode
0 = deactivate
1 = active
661 Internal speed control of LMV37.4
0 = deactivated (controlled PWM fan)
1 = activated (VSD)
662 Speed supervision neutral zone
663 Speed supervision low deviation zone
664 Speed supervision: Maximum time outside low
deviation zone
665 Speed supervision: Maximum time outside medium
deviation zone
667 Minimum prepurge speed
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Building Technologies
Number of Type Edit
elements
4 Std_u16 read only
1 Selection edit
1 Std_u8 edit
1 Std_u8 edit
1 Std_u8 edit
1 Std_u8 edit
1 Std_u8 edit
1 Std_u8 edit
1 Std_u8 edit
1 Std_u8 edit
1 Time edit
1 Time edit
1 Std_s16 edit / clear
Basic documentation LMV37.4...
28 Parameter list LMV37.4
Value range Increment
Min. Max.
650 14000 1
0 1 1
1 6 1
0 2 1
4 8 1
0 1 1
0 1 1
0 1 1
0,5% 3,5% 0,1%
2% 5,5% 0,1%
8 s 16 s 0,2 s
3 s 7 s 0,2 s
40% 100% 0,1%
Default Password level
setting write read
Undefined --- HF
0 OEM HF
3 OEM HF
0 HF
8 OEM HF
1 HF HF
1 HF HF
1 OEM HF
0,5% OEM HF
2% OEM HF
8 s OEM HF
3 s OEM HF
undefined OEM HF
CC1P7546en
17.12.2018