Chapter 4 - Parameters and Menu Structure
Parameters (M3)
100 | 180
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Building Technologies
2016-06-07
Process Supervision (M3.13.4)
Table 67: PID Controller 2 Process Supervision.
Structure
Parameter
Unit
Min
Max
Default
ID
Description
P3.13.4.1
Enable Superv
Disabled
Enabled
Disabled
1659
Settings:
0 = Disabled
1 = Enabled
P3.13.4.2
Upper Limit
Varies Varies
Varies
Varies
1660
Upper actual/process value
supervision.
P3.13.4.3
Lower Limit
Varies Varies
Varies
Varies
1661
Lower actual/process value
supervision.
P3.13.4.4
Delay
s
0
30000
0
1662
If the desired value is not reached
within this time, a fault or alarm is
created.
Multi-pump (M3.14)
The Multi-Pump functionality controls up to four motors (pumps or fans) with PID Controller 1. The drive is
connected to one motor which is the regulating motor. This motor connects and disconnects the other motors
to/from the mains using contactors controlled with relays when needed, to maintain the correct setpoint.
The Auto-Change function controls the order/priority in which the motors are started to guarantee their equal wear.
The controlling motor can be included in the Auto-Change and interlock logic, or it may be selected to always
function as Motor 1. Motors can be taken out of use momentarily (for example, for service). This is completed
using the interlock function.
The Multi-Pump settings are presented in the following table:
Table 68: Multi-pump Settings.
Structure
Parameter
Unit
Min
Max
Default
ID
Description
P3.14.1
Number of Motors
1
4
1
1001
Defines the total number of motors
to be used with the multi-pump
function.
P3.14.2
Interlock Funct.
Disabled
Enabled
Disabled
1032
Enables parameter for the interlock
function to be used with the multi-
pump function. Interlocks are used
to tell the system if a motor is
connected or not.
0 = Disabled
1 = Enabled
P3.14.3
Include FC
Disabled
Enabled
Enabled
1028
Defines if the motor connected to
the drive is included in the auto-
change function or not.
0 = Disabled (Not included)
1 = Enabled (included)
P3.14.4
Autochange
Disabled
Enabled
Disabled
1027
Disable/enable rotation of starting
order and priority of motors.
0 = Disabled
1 = Enabled
P3.14.5
Autoch Interval
h
0
3000
48
1029
Defines the time between auto
change in accordance with
Autoch:FreqLim (P3.14.6) and
AutochMotorLimit (P3.14.7).
Summary of Contents for BT300 LonWorks
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