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Appendix E
E5ZE Temperature Controller Read Protocol
The E5ZE Temperature Controller Read Protocol reads and controls various parameters in remote mode for the
Temperature Controller connected to the Serial Communications Board via RS-232C or RS-422A/485 cable.
Note 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 Read Protocol
Sequence Communications sequence Function
Ladder interface
No. name
Send word
allocation
Receive word
allocation
100 Read set point Reads the set points. Yes Yes
101 Read process value Reads the process values. Yes Yes
102 Read output value Reads the output values. Yes Yes
103 Read set point, process value,
and output value
Reads the set points, process val-
ues, and output values.
Yes Yes
104 Read proportional band, integral
time, and derivative time
Reads the proportional bands, in-
tegral times, and derivative times.
Yes Yes
105 Read control period Reads the control periods. Yes Yes
106 Read output mode Reads the output modes. Yes Yes
107 Read alarm mode Reads the alarm modes. Yes Yes
108 Read alarm temperature Reads the alarm temperatures. Yes Yes
109 Read hysteresis Reads the hysteresis. Yes Yes
110 Read operation status Reads the operation status. Yes Yes
111 Read error status Reads the error status. Yes Yes
112 Read setting unit Reads the setting units. Yes Yes
113 Read input shift value Reads the input shift values. Yes Yes
114 Read manual reset value Reads the manual reset values. Yes Yes
115 Read ramp value Reads the ramp values. Yes Yes
116 Read present set point Reads the present set points. Yes Yes
117 Read output value limits Reads the output value limits. Yes Yes
118 Read output value change rate
limit
Reads the output value change
rate limits.
Yes Yes
119 Read HB alarm and HS alarm val-
id channels
Reads the HB alarm and HS
alarm valid channels.
Yes Yes
120 Read heater burnout/SSR failure
detection currents
Reads the heater burnout/SSR
failure detection currents.
Yes Yes
121 Read heater current and SSR
leakage current
Reads the heater currents and
SSR leakage currents.
Yes Yes
122 Read dead band/overlap band Reads the dead bands and over-
lap bands.
Yes Yes
123 Read cooling coefficient Reads the cooling coefficients. Yes Yes
Note Ladder Interface Settings
YES: User settings are required for the 2nd or 3rd operands of PMCR.
NO: Send word allocation: Set the constant 0000 for the 2nd operand (S).
Receive word allocation: Set a dummy word (e.g., DM 0000) address for the 3rd operand (D).