Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
121 | 180
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Building Technologies
2016-06-07
NPT
NPA
Description
0 =
1 =
BI
4
Faulted
Not Faulted
Faulted
BI
5
Alarm
Not Alarm
Alarm
BI
6
Ref. Frequency reached
False
True
BI
7
Motor running zero speed
False
True
BI
8
Flux ready
Not Ready
Ready
Analog Outputs (AO)
All analog outputs (AO) points have the following features:
●
Support Change of State (COS) reporting based on override status.
●
Always considered reliable.
●
Overriding of the AO points is the method used to change a value. Overriding an AO point with a value beyond
the limit allowed by the drive’s internal variable will result in an
Invalid Data
error and the override status
and value will remain unchanged. If the overridden value is beyond the drive’s parameter limit but within the
range that will fit in the variable, an acknowledge response is given and the value will be internally clamped to
its limit.
Table 92: N2 Analog Outputs.
NPT
NPA
Description
Units
Note
AO
1
Comms Speed
%
2 decimal places
AO
2
Current Limit
A
2 decimal places
AO
3
Minimum Speed
Hz
2 decimal places
AO
4
Maximum Speed
Hz
2 decimal places
AO
5
Accel Time
s
1 decimal place
AO
6
Decel Time
s
1 decimal place
AO
7
FBProcessDataIn1*
2 decimal places
AO
8
FBProcessDataIn2*
2 decimal places
AO
9
FBProcessDataIn3*
2 decimal places
AO
10
FBProcessDataIn4*
2 decimal places
AO
11
FBProcessDataIn5*
2 decimal places
AO
12
FBProcessDataIn6*
2 decimal places
AO
13
FBProcessDataIn7*
2 decimal places
AO
14
FBProcessDataIn8*
2 decimal places
AO
15
Any parameter Read/Write
Depends on parameter
Binary Outputs (BO)
All binary outputs (BO) points have the following features:
●
Support Change of State (COS) reporting based on override status.
●
Always considered reliable.
●
Overriding BO points control the drive. These points are input commands to the drive. When released, the
drive’s internal value remains at its last overridden value.
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