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Appendix D
E5
#
K Digital Controller Write Protocol
The E5
#
K Digital Controller Write Protocol writes and controls various settings in remote mode for the Control-
ler connected to the Serial Communications Unit/Board via RS-232C or RS-485 cable.
Note Negative values cannot be written. All values must be set as unsigned BCD.
Structure of the Protocol
The following table shows the structure of the E5
#
K Digital Controller Write Protocol.
Note 1.
The hexadecimal equivalents of sequences numbers are given in parentheses.
2.
Ladder Interface Settings
YES: User settings are required for the 3rd or 4th operands of PMCR.
Sequence
No.
Communications
sequence name
Function
Ladder interface
Send word
allocation
Receive word
allocation
050 (0032)
Write set point
Writes the set point.
Yes
No
051 (0033)
Write alarm value
Writes alarm value 1, 2.
Yes
No
052 (0034)
Write proportional band,
integral time, and derivative
time
Writes the proportional band, integral
time, and derivative time.
Yes
No
053 (0035)
Write cooling coefficient
Writes the cooling coefficient.
Yes
No
054 (0036)
Write dead band
Writes the dead band.
Yes
No
055 (0037)
Write manual reset value
Writes the manual reset value.
Yes
No
056 (0038)
Write hysteresis
Writes the hysteresis (heating, cooling)
Yes
No
057 (0039)
Write control period
Writes the control period (heating,
cooling)
Yes
No
058 (003A)
Write SP ramp time units
and set value
Writes the SP ramp time unit and SP
ramp set value.
Yes
No
059 (003B)
Write LBA detection time
Writes the LBA detection time.
Yes
No
060 (003C)
Write MV at stop time and
PV error
Writes the MV at stop and the MV at PC
error.
Yes
No
061 (003D)
Write MV limits
Writes the MV limits.
Yes
No
062 (003E)
Write input digital filter
Writes the input digital filter.
Yes
No
063 (003F)
Write alarm hysteresis
Writes alarm 1, 2 hysteresis.
Yes
No
064 (0040)
Write input shift values
Writes the input shift values.
Yes
No
065 (0041)
Write level 0 parameters
Writes parameters in level 0.
Yes
No
066 (0042)
Write level 1 parameters 1
Writes parameters in level 1.
Yes
No
067 (0043)
Write level 1 parameters 2
Writes parameters in level 1.
Yes
No
068 (0044)
Write level 2 parameters 1
Writes parameters in level 2.
Yes
No
069 (0045)
Write level 2 parameters 2
Writes parameters in level 2.
Yes
No
070 (0046)
General-purpose write
Writes the value of the specified
parameter.
Yes
No
071 (0047)
Switch to level 0
(software reset)
Switches the setting level to level 0.
Yes
No
072 (0048)
Run/stop
Initiates Run or Stop.
Yes
No
073 (0049)
Remote/local
Switches the mode to remote or local.
Yes
No
074 (004A)
Execute/cancel AT
Executes or cancels AT.
Yes
No
075 (004B)
Switch to level 1
Switches the setting level to level 1.
Yes
No
076 (004C)
Software reset
Resets the E5
#
K.
Yes
No
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