MCT-MC
4.3
FDC MCT-MC
- 154 -
Appendix
Read 2 bytes from serial
port and check value of
second byte
Read
Command
(0x03)
NO
Read 1 byte from serial
port and obtain number of
data bytes in message.
YES
Write
Command
(0x06/10)
NO
Exception
Response
(0x8_)
YES
YES
Read remaining 8 bytes
from serial port to obtain
complete message.
Read remaining 3 bytes
from serial port to obtain
complete message.
Read in number of data
bytes from message plus 2
additional CRC bytes.
Calculate the CRC for the
message and compare to
CRC received.
NO
YES
CRC’s
match
Disregard message
(transmission error)
Enter recovery mode and resend command message in
attempt to get valid response and/or alert operator of a
communication failure in order to take appropriate action.
Received message is valid.
If the message was a read
response, the data can be
extracted and converted
for use within the software.
If the message was a write
response, the MC executed
the command.
NO
Was it an
exception
response?
YES
Summary of Contents for MCT-MC 4.3
Page 1: ...MCT MC 4 3 User Manual MCT MC 4 3 User Manual Rev A February 2018...
Page 176: ...MCT MC4 3 FDC MCT MC 176 Appendix...
Page 177: ...MCT MC4 3 Appendix 177 FDC MCT MC Open Frame Power Supply Specifications...
Page 178: ...MCT MC4 3 FDC MCT MC 178 Appendix...
Page 179: ...MCT MC4 3 Appendix 179 FDC MCT MC A 6 Power On Delay Relay Specifications GE1A C10HA110...
Page 180: ...MCT MC4 3 FDC MCT MC 180 Appendix...
