Operating Instructions

Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
129 | 187
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Smart Infrastructure
2019-05-29
Table 93: N2 Binary Outputs.
NPT
NPA
Description
0 =
1 =
BO
1
Comms Start/Stop
Stop
Start
BO
2
Comms Forward/Reverse
Forward
Reverse
BO
3
Reset Fault
N/A
Reset
BO
4
Stop mode information 1
BO
5
Stop mode information 2
BO
6
Force ramp to zero
BO
7
Freeze ramp
BO
8
Reference to zero
BO
9
BusCtrl
BO
10
BusRef
Internal Integers (ADI)
All Internal Integer (ADI) points have the following features:
● Do not support Change of State (COS) reporting.
● Can be overridden and the “Override Active” bit will be set. However, the internal value is unchanged
(read only).
Table 94: Internal Integers.
NPT
NPA
Description
Units
ADI
1
Active Fault Code
ADI
2
Control Word
ADI
3
Status Word
ADI
4
Any Parameter ID
N2 Protocol Quick Setup
For monitoring of objects using the N2 protocol, complete the following changes:
1. Select: Main Menu > I/O and Hardware (M5) > RS-485 (M5.8) > Common Settings (M5.8.1) >
Protocol (P5.8.1.1) > Edit.
2. Select N2 from the list and press the button.
3. Select: Main Menu > I/O and Hardware (M5) > RS-485 (M5.8) > N2 (M5.8.3) > Parameters
(M5.8.3.1) > Device Address (P5.8.3.1.1) > Edit.
4. Enter the desired network device address and press the button.
5. Select: Main Menu > I/O and Hardware (M5) > RS-485 (M5.8) > N2 (M5.8.3) > Parameters
(M5.8.3.1) > Comm. Timeout (P5.8.3.1.2) > Edit.
6. Enter the desired time for drive to monitor for a communications loss and press the button. A value
of 0 disables this monitoring.
For commanding Start/Stop and Speed Reference using the N2 protocol, complete the following steps: