Bypass Operations By Bacnet; Observing The Bypass Operation; Controlling The Bypass - YASKAWA Z1000 Technical Manual

C.5 Bypass Operations by BACnet
C.5 Bypass Operations by BACnet
The bypass operations that can be performed by BACnet communication depend on parameter settings. This section explains
the functions that can be used and related parameter settings.
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Observing the Bypass Operation

A controller can perform the following actions with BACnet communications at any time regardless of parameter settings:
• Observe bypass and drive status and control terminal status from a controller
• Read and write parameters
• Set and reset faults
• Set multi-function inputs.
Note: Input settings from the input terminals So and from BACnet communications are both linked by a logical OR operation.
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Controlling the Bypass

Select an external reference and adjust the parameters in
reference using BACnet communications.
Reference Source
External Reference 1
Refer to Z1-07: Speed Reference Select on page 196
external reference parameter selections.
366
Table C.1 Setting Parameters for Drive Control from BACnet
Parameter
Z1-07 Frequency Reference Select
Z1-08 Run Command Select
and
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
Table C.1 accordingly to start and stop the drive or set the frequency
Name
Refer to Z1-08: Run Command Select on page 197
Required Setting
2
2
for details on