ABB COMMANDER 300 - Page 12

10
…8 COMMUNICATION
…8.4 Communication Examples
11
WSTX 11
End of text
e)
Command – STX W11A170 EETX
A1 70
Command understood
Alarm A setting is 70
Reply – 11LA70 ACK
LA 70 ETX
Write to 70
Alarm A trip point
Controller number eleven
'Write' command
Start of text
ACK
Controller number eleven
05
WSTX 05
End of text
f)
Command – STX W05L21 EETX
03
Command not understood
Error code 3
Reply – 0503 NNAK
L2 1 ETX
Relay 2
energised
Relay 2 state
Controller number five
'Write' command
Start of text
NAK
Controller number five
i.e. 'L2' in the original command is not
a recognised 'Write' parameter. Th
e
'L2' mnemonic can only be used with
the 'Read' command.
Self-tune state
(0 = off, 1 = on)
Auto/Manual state
(0 = auto, 1 = manual)
Set Point type
(0 = local, 1 = second)
Security level 1 access
(0 = no access, 1 = access)
Security level 2 access
(0 = no access, 1 = access)
Power failure status
(0 = no power failure, 1 = power failure)
Process variable failure
(0 = no failure, 1 = failure)
Remote set point failure
(0 = no failure, 1 = failure)
Position feedback failure
(0 = no failure, 1 = failure)
11 10 9 8 7 6 5 4 3 2 1 0MSB LSB
Unacknowledged alarm
(0 = no alarms unacknowledged,
1 = alarms unacknowledged)
Alarm 2 relay state
(0 = relay off, 1 = relay on)
Alarm 1 relay state
(0 = relay off, 1 = relay on)
Fig. 8.7 Instrument Status