Commands
Group Control Commands
RS-485 commands
You can group devices to control them as a group.
Simultaneous registration/deletion of multiple groups
is possible.
• If you set both d1 and d2 to 00 in GROUP SET or
GROUP CLEAR, the recorder will return ERROR
(02H) in place of ACK (0AH) when it receives d2.
• If you set the least-significant bit of d1 to 1 in
GROUP SET or GROUP CLEAR, the recorder will
return ERROR (02H) in place of ACK (0AH) when it
receives d1.
GROUP SET (6CH)
Registers the recorder in the specified group(s).
CMD
TxD
6C
RxD
0A
ACK
Example: Setting to group 5 and group 14
CMD
TxD
6C
RxD
0A
ACK
GROUP CHECK (6DH)
Acquires the group(s) to which the recorder has been
registered.
CMD
TxD
6D
RxD
d1
Example: When registered to groups 2, 3, 10 and 15
CMD
TxD
6D
RxD
0C
d1
GROUP CLEAR (6EH)
Clears the group registration.
CMD
TxD
6E
RxD
0A
ACK
Example: When clearing groups 5, 6, and 10
CMD
TxD
6E
RxD
0A
ACK
84
(GB)
d1
d2
0A
0A
ACK
ACK
d1
d2
20
40
0A
0A
ACK
ACK
d2
84
d2
d1
d2
0A
0A
ACK
ACK
d1
d2
60
04
0A
0A
ACK
ACK
Bit
Meaning
d1
7
GROUP 7
6
GROUP 6
5
GROUP 5
4
GROUP 4
3
GROUP 3
2
GROUP 2
1
GROUP 1
0
Always 0
d2
7
GROUP 15
6
GROUP 14
5
GROUP 13
4
GROUP 12
3
GROUP 11
2
GROUP 10
1
GROUP 9
0
GROUP 8
Special Commands
RS-232C commands
(Effective only in one-to-one communication with the
specified device)
T/D SEARCH 4 (B5H)
Initiates search for a specific time and date.
Send this command, followed by numeric data
commands 30H (0) to 39H (9) that specify the date and
time.
CMD
TxD
B5
d1
d2
RxD
0A
0A
ACK
ACK
d6
d7
d8
0A
0A
ACK
ACK
d1: Ten's digit of the year (30H to 39H)
d2: One's digit of the year (30H to 39H)
d3: Ten's digit of the month (30H or 31H)
d4: One's digit of the month (30H to 32H)
d5: Ten's digit of the day (30H to 33H)
d6: One's digit of the day (30H to 39H)
d7: Ten's digit of the hour (30H to 32H)
d8: One's digit of the hour (30H to 39H)
d9: Ten's digit of the minute (30H to 35H)
d10: One's digit of the minute (30H to 39H)
d3
d4
d5
0A
0A
0A
0A
ACK
ACK
ACK
ACK
CMD
d9
d10
40
0A
0A
0A
0A
ACK
ACK
ACK
ACK