Despatch Protocol 3 Modbus Communications - Manual (Page 38)

A DDRESS LIST Modbus Programming Manual
38 Version 2
Copyright © 2012 by Despatch Industries.
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Creating A Profile Header - Request (to instrument)
Field Name Data Comments
(Dec) (Hex)
Profile Name Character 3 A/R A/R 16 characters of the profile name, e.g. :
A = 65dec / 0x41, B = 66dec / 0x42 etc
a = 97dec / 0x61, b = 98dec / 0x62 etc
Note: Only valid characters from the
instruments supported character set
should be used
The space character (32dec / 0x20hex) is
used to fill any unused characters at the end
of the name.
Characters 9 to 16 are not supported and
should be written to 32dec / 0x20hex
Profile Name Character 4 A/R A/R
Profile Name Character 5 A/R A/R
Profile Name Character 6 A/R A/R
Profile Name Character 7 A/R A/R
Profile Name Character 8 A/R A/R
Profile Name Character 9 32 20
Profile Name Character 10 32 20
Profile Name Character 11 32 20
Profile Name Character 12 32 20
Profile Name Character 13 32 20
Profile Name Character 14 32 20
Profile Name Character 15 32 20
Profile Name Character 16 32 20
Profile Start Signal High Byte 00 00 0 = No delay, 1 = After delay, 2 = At
Time/day
Profile Start Signal Low Byte A/R A/R
Profile Start Time (Byte 4 - High)
Floating point number
Profile Start Time (Byte 3)
Profile Start Time (Byte 2)
Profile Start Time (Byte 1 - Low)
Profile Start Day High Byte 00 00 1 = Monday, 2 = Tuesday, 3 = Wednesday,
4 = Thursday, 5 = Friday, 6 = Saturday,
7 = Sunday, 8 = Monday to Friday,
9 = Monday to Saturday,
10 = Saturday And Sunday, 11= All Week
Profile Start Day Low Byte A/R A/R
Profile Starting Setpoint High 00 00 1 = Current Process Variable Value
Profile Starting Setpoint Low 01 01
Profile Recovery High Byte 00 00 0 = Control to off, 1 = Restart profile,
2 = Maintain last profile setpoint,
4 = Continue profile from where it was when
power failed
Profile Recovery Low Byte A/R A/R
Profile Recovery Time (Byte 4 - high)
Floating point number
Profile Recovery Time (Byte 3)
Profile Recovery Time (Byte 2)
Profile Recovery Time (Byte 1 - Low)
Profile Abort action High Byte 00 00 0 = Control to off
1 = Maintain last profile setpoint
Profile Abort Action Low Byte A/R A/R
Profile Cycles High Byte A/R A/R 1 to 9999 or 10,000 for “Infinite”
Profile Cycles Low Byte A/R A/R
Profile Tracks High Byte 00 00 Always set to 1
Profile Tracks Low Byte 01 01
CRC High Byte A/R A/R
CRC Low Byte A/R A/R
The instrument replies to this message with an Edit Response Message Section 2.9.5.9.