Dc Offset (0X51); Short Circuit Status (0X52) (Sa20 Only) - Arcam SA20 Custom Installation Notes

DC offset (0x51)

Request the output DC offset status.
Example
Command/response sequence for requesting the DC offset status where the
result is no DC offset:
Command: 0x21 0x01 0x51 0x01 0xF0 0x0D
Response: 0x21 0x01 0x51 0x00 0x01 0x00 0x0D

Short circuit status (0x52) (SA20 only)

Request the output short circuit status.
Example
Command/response sequence for requesting the short circuit status, where
the result is no short circuit:
Command: 0x21 0x01 0x52 0x01 0xF0 0x0D
Response: 0x21 0x01 0x52 0x00 0x01 0x00 0x0D
12
COMMAND:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x51
Dl 0x01
Data 0xF0 – Request DC offset status
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x51
Ac Answer code
Dl 0x01
Data 0x00 - OK
0x01 - DC offset detected
Et 0x0D
COMMAND:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x52
Dl 0x01
Data 0xF0 – Request short circuit status
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x52
Ac Answer code
Dl 0x01
Data 0x00 - No short circuit detected
0x01 - One of the channels has short circuit fault
Et 0x0D