Siemens LME7 Series Technical Instructions page 32

LME Series
LEGEND - Password Level: S = Service; O = OEM; S/O = View - Service, Write - OEM; Info = Info Menu; Ser = Service Menu
Parameter
Shaded Parameters = Frequently Used
Parameter Name
Number
PW Level
558 UDS Mode
559 Speed Control Mode
560 Ratio Control Mode
644 Feedback Pulse / Rev
646 Settling Time
650.00 Tolerance Band 1
650.01 Tolerance Band 2
654 Analog Input
658.00 PWM Startup
SCC Inc.
Default Range
Read only
S/O
1 0-2
Read only
3 2-5
2.058 sec 1.029-2.058 sec
S/O
+/- 1% +/- 1-5%
+/- 3% +/- 1-10%
S 1 0-5
S/O 25% 1-100%
This parameter is for Siemens use only.
0 = PC tool mode
1 = PWM mode
2 = actuator mode
3 = internally
4 = internally
5 = internally
This setting activates or deactivates the internal PID control in the LME7. If using a PWM blower that has
its own internal speed control, this should be deactivated.
0 = deactivated
1 = activated
2 = test mode
Defines the device being controlled by the LME7 that is used to influence the amount of air to the burner.
This value is set by Siemens and cannot be modified. On PME71.901A1, this value should always be set to
1.
0 = none
1 = PWM blower
2 = actuator
600 Level: PWM Blower Configuration
This sets the expected number of pulses per revolution being output from the PWM blower. This
information should be provided by the blower manufacturer.
The blower speed must lie within tolerance band 1 for this length of time before the target speed is
considered reached.
Sets an inner tolerance band for blower speed control. Percentages are based on the maximum blower
speed (parameter 519). If the actual blower speed falls outside tolerance band 1 for longer than the time
set by parameter 660, a lockout occurs.
Sets an outer tolerance band for blower speed control. Percentages are based on the maximum blower
speed (parameter 519). If the actual blower speed falls outside tolerance band 2, a lockout occurs
immediately.
Sets the type of input signal being connected to terminal X65 or X5-03. This input signal is used to
determine the blower speed during operation.
0 = 3-position
1 = 0-10 VDC
2 = 0-135 Ohm
3 = 0-20 mA
4 = 4-20 mA with lockout when input is less than 4 mA
5 = 4-20 mA without lockout when input is less than 4 mA
Sets the minimum PWM signal that the blower needs to receive in order to start the blower from
standstill. This information should be provided by the blower manufacturer.
Page 8
Description
Technical Instructions
LME-1000
PME71. PME71. PME71.
111A1 112A1 901A1
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Section 2