Communication errors, C.8 communication errors – Yaskawa Z1000U HVAC Matrix Bypass User Manual

Page 377

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C.8 Communication Errors

Errors that may occur when accessing drive parameters using the BACnet objects are shown in

Table C.11

.

Table C.11 MEMOBUS to BACnet Error Conversion

Error Code

Description

03d

BN_ERR_DEVICE_IS_BUSY

Writing to a parameter was attempted while the drive was saving parameters to non-volatile memory.

27d

BN_ERR_READ_ACCESS_DENIED

Invalid parameter register number used when reading.

37d

BN_ERR_VALUE_OUT_OF_RANGE

Value written to the parameter is out of the valid range.

40d

BN_ERR_WRITE_ACCESS_DENIED

An invalid parameter register number was used when writing.

Writing to a parameter was attempted while the drive was in a mode that disables writing (i.e., writing while the drive was

Auto-Tuning).

Writing to a parameter was attempted while the DC Bus had an Undervoltage (Uv) fault

C.8 Communication Errors

YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual

377

C

BACnet Communications

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