Mt-01 hold message – Siemens sitrans LU01 User Manual
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SITRANS LU01 – INSTRUCTION MANUAL
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Status B
1 character, $0 to $F (convert to binary, e.g. scan point is in high alarm)
Status C
1 character, $0 to $F (convert to binary, e.g. scan point is not in rate or band alarm)
MT-01 Hold Message
Field Name
Definition
Temp
2 characters, $32 to $FA (convert to decimal and subtract 100, e.g. tempera-
ture = 20 °C)
Percent
5 characters, 00.00 to 9999. (e.g. current level = 85.00% of span, EEEE. = field
overflow)
End Of Message
CR ($0D)
Field Name
Definition
Start Of Message STX ($02)
Message Type
2 characters, 01 (indicates the SITRANS LU01 was removed from the
RUN mode)
End Of Message
CR ($0D)
# # # #
1 = low low alarm
1 = low alarm
1 = high alarm
1 = high high alarm
MSB
LSB
# # # #
1 = rate alarm 2
1 = rate alarm 1
1 = band alarm 1
1 = band alarm 2
MSB
LSB
start of message
message type
end of message