Arcam SA10 Custom Installation Notes - Page 14

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Arcam SA10 Custom Installation Notes

Timeout counter (0x55)

This command requests the time left (in minutes) until unit enters auto
standby.
Example
Command/response sequence for requesting the time left until timeout:
Command:
0x21 0x01 0x55 0x01 0xF0 0x0D
Response:
0x21 0x01 0x55 0x00 0x02 0x00 0xF0 0x0D
In this example, the timeout value is 0x00B4, which translates to 180 minutes
(i.e. 3 hours). The range of the value returned is from 0x0000 - 0x00F0 (0 - 240
minutes)

Lifter temperature (0x56) (SA20 Only)

Request the temperature of the lifter.
Example
Command/response sequence for requesting the temperature of the lifter
where the result is 75degC:
Command:
0x21 0x01 0x56 0x01 0xF0 0x0D
Response:
0x21 0x01 0x56 0x00 0x01 0x4B 0x0D
14
COMMAND:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x55
Dl
0x01
Data
0xF0
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x55
Ac
Answer code
Dl
0x02
Data1
0x00 (First byte of timeout counter, value is fixed)
Data2
0x00 – 0xF0 (Second byte timeout counter)
Et
0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x56
Dl
0x01
Data
0xF0 – Request lifter temperature
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x56
Ac
Answer code
Dl
0x01
Data
0x?? – Temperature in deg C in hex, e.g. 75degC = 4B
Et
0x0D