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Appendix I
E5ZE Temperature Controller Write Protocol
The E5ZE Temperature Controller Write Protocol writes and controls various settings in remote mode for the
Temperature Controller connected via a RS-232C or RS-422/485 cable from the PLC via the Serial Communi-
cations Unit/Board.
Note 1. Negative values cannot be written. All values must be set as unsigned BCD.
2. All sequences in this appendix operate on memory bank 0 and cannot be used for other memory
banks.
Structure of the Protocol
The following table shows the structure of the E5ZE Temperature Controller Write Protocol.
Se-
quence
No.
Communications sequence name Function Ladder interface
Send
word
allocation
Receive
word
allocation
150
(0096)
Write set point (setting unit 1) Writes the set points using a setting unit of 1. Yes No
151
(0097)
Write set point (setting unit 0.1) Writes the set points using a setting unit of
0.1.
Ye s N o
152
(0098)
Write proportional band, integral time,
and derivative time
Writes the proportional bands, integral times,
and derivative times.
Ye s N o
153
(0099)
Write control period Writes the control periods. Yes No
154
(009A)
Write output mode Writes the output modes. Yes No
155
(009B)
Write alarm mode Writes the alarm modes. Yes No
156
(009C)
Write alarm temperature (setting unit
1)
Writes the alarm temperatures using a setting
unit of 1.
Ye s N o
157
(009D)
Write alarm temperature (setting unit
0.1)
Writes the alarm temperatures using a setting
unit of 0.1.
Ye s N o
158
(009E)
Write hysteresis Writes the hysteresis. Yes No
159
(009F)
Start autotuning Starts autotuning. Yes No
160
(00A0)
Cancel autotuning Cancels autotuning. Yes No
161
(00A1)
Write setting unit Writes the setting units. Yes No
162
(00A2)
Write input shift value Writes the input shift values. Yes No
163
(00A3)
Write manual reset value Writes the manual reset values. Yes No
164
(00A4)
Write ramp value Writes the ramp values. Yes No
165
(00A5)
Write manual output value Writes the manual output values. Yes No
166
(00A6)
Write output value limit Writes the output value limits. Yes No
167
(00A7)
Write output value change rate limit Write output value change rate limits. Yes No
168
(00A8)
Save settings Saves settings. Yes No