Honeywell CM4 Operating Instructions Manual page 40

Serial communication protocol
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Set Printer
Configuration
0x57
This command configures the printer for output.
Command packet to instrument:
Command Code (0x57) - 1 byte
Setup Status - 1 byte
bit 0: Printer port enable/disable
bits 1-2: Printer Report format
bits 3-5: Printer baud rate
bit 6: printer hardware handshaking (flow
control)
bit 7: Undefined
Response packet from instrument:
Command Code (0x57) - 1 byte
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Status Flag - 1 byte
0x00 = Printer programmed
0x01 = Invalid report format
0xff = Printer programming error
35
CM4 Protocol Manual
00 = Continuous (prints all conc. for
each pt)
01 = Summary (prints alarms, faults,
and TWA only)
10 = Compressed (prints conc. At or
above LDL)
11 = Invalid
000 = 1200
001 = 2400
010 = 4800
011 = 9600
100 = 19200
0 = Disabled
1 = Enabled
Rev. 2.4 (3/05)

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