Technical data

Installation & Operation Manual GM-TTT
Page 76
7.3.2 Commands
Description CMD
1/DC
CMD
2
DATA CHECK Description CMD
1/DC
CMD
2
DATA CHECK
Device type
Request
$00 $11 - $11 Device type $12 $11 *1 $CHECK
Generator
“Start“
$01 $86 $00 $87 ACK $10 $01 - $11
Generator
“Stop“
$01 $86 $01 $88 ACK $10 $01 - $11
Pre-set time
of the time
code *7
$44 $04 *2 $CHECK ACK $10 $01 - $11
Pre-set binary
groups of the
time code *7
$44 $05 *3 $CHECK ACK $10 $01 - $11
Pre-set the
date of the
internal clock
$44 $06 *4 $CHECK ACK $10 $01 - $11
Pre-set the
time of the
internal clock
$44 $07 *2 $CHECK ACK $10 $01 - $11
Request time $61 $0A $01 $6C Time $74 $08 *2 $CHECK
Request user $61 $0A $10 $7B User $74 $09 *3 $CHECK
Request
time+user
$61 $0A $11 $7C Time + User $78 $08 *5 $CHECK
Request time
+ flag
$61 $0A $02 $6D Time + Flag $74 $08 *6 $CHECK
Request the
date of the
internal clock
$61 $0A $20 $8B Datum $74 $09 *4 $CHECK
Request the
time of the
internal clock
$61 $0A $21 $8C Time $74 $08 *2 $CHECK
$CHECK hexadecimal sum of the previous bytes
ACK Acknowledge, ‘ok’ return
NAK In case of an interference or an error, a NAK (= not acknowledge) = error message
may be sent as a return:
$11 $12 $FEHLER $CHECK, with $FEHLER =
Bit 7: -
Bit 6: framing error
Bit 5: overrun
Bit 4: parity
Bit 3: -
Bit 2: check sum
Bit 1: incongruent data
Bit 0: undefined command