Panasonic KT2 Use and care manual

1
COMMUNICATION INSTRUCTION MANUAL TEMPERATURE CONTROLLER KT2
No. KTC3E5 2013.05
To prevent accidents arising from the misuse of this controller, please ensure the operator receives this manual.
For this product to which communication function has been added, “1” is entered at the end of the model number.
(For the model number and basic operation, refer to the instruction manual for KT2.)
Warning
Turn the power supply to the instrument off before wiring or checking.
Working or touching the terminal with the power switched on may result in severe injury or
death due to Electric Shock.
1. Setup of the KT2
Set the items “Communication protocol selection”, “Instrument number setting”, “Communication speed
selection” after the “Sensor correction setting” in Auxiliary function setting mode 1.
To enterAuxiliary function setting mode 1, press the key for 3 seconds while holding down the
key. Display Name, Functions, Setting range Default value
Communication protocol selection Modbus ASCII mode
• Selects the communication protocol.
• : Unavailable
: Modbus ASCII mode
: Modbus RTU mode
Instrument number setting 0
• Sets the instrument number individually to each instrument
when communicating by connecting plural instruments in
serial communication.
• Setting range: 0 to 95 (However, numberof connectable units:
Max. 31 units)
Communication speed selection 9600bps
• Selects a communication speed to be equal to the speed
of the host computer.
• : 2400bps
: 4800bps
: 9600bps
: 19200bps
2. Terminal arrangement •TC : Thermocouple input terminals
•RTD : RTD input terminals
•DC : DC current, DC voltage input terminals
For DC current input type, connect 50
shunt resistor (sold separately) between
input terminals.
•OUT1 : Control output or Heating output
(Heating/Cooling control option) terminals
•POWER SUPPLY: Power terminals
•EV1/OUT2: Event output 1 or Cooling output
(Heating/Cooling control option) terminals
•EV2 : Event output 2 terminals
•DI : DI (Digital input) terminals
Three DI functions: SV1/SV2 external
(Fig. 2-1) selection function, OUT/OFF (RUN/STOP)
external selection and Timer function
•RS-485: Serial communication terminals

2
3. System configuration
RS-485 multi-drop connection communication
(Fig. 3-1)
(Fig. 3-2)
(Fig. 3-3)
4. Wiring
When using a communication converter
• Connector: D-sub 25-pin
Connection: RS-232C RS-485 (Communication speed: 2400, 4800, 9600, 19200bps)
(Fig. 4-1)
RS-485
PLC
KT2
No.0 KT2 No.1 KT2 No.2 KT2 No.30
RS-485
Host computer
KT2
No.0 KT2 No.1 KT2 No.2 KT2
No.30
RS-485
RS-232C
Host computer
RS-232C
Communication
converter
RS-485
KT2
No.0 KT2 No.1 KT2 No.30
Shielded
wire Shieldedwire
Hostcomputer
KT2
D-sub 25-pin connector
FG
FG

3
KT2
• Connector: D-sub 9-pin
Connection: RS-232C RS-485 (Communication speed: 2400, 4800, 9600, 19200bps)
(Fig. 4-2)
• When connecting PLC (RS-485)
Connection: RS-485 RS-485 (Communication speed: 2400, 4800, 9600, 19200bps)
(Fig. 4-3)
Shielded wire
Connect only one side of the shielded wire to the FG or GND terminal so that current cannot flow to the
shielded wire. (If both sides of the shielded wire are connected to the FG or GND terminal, the circuit
will be closed between the shielded wire and the ground. As a result, current will run through the
shielded wire and this may cause noise.) Be sure to ground FG and GND terminals.
Terminator (Terminal resistor)
Do not connect terminator with the communication line because each KT2 has built-in pull-up and
pull-down resistors instead of a terminator.
If there is a large distance between the PLC and the KT2, connect the terminator on the PLC side.
(Connect a terminator of 120 or more resistance.)
Setup of the KT2
•It is necessary to set the instrument number individually to the KT2 when communicating by connecting
plural units with serial communication.
Select a communication speed of KT2 in accordance with that of the host computer.
• For instrument numbersetting and communication speed selection, refer to Chapter “1. Setup of the KT2” or
the instruction manual for KT2.
Memory capacity of the KT2
The memorycan contain up to 1,000,000 (one million)set value entries.This memory capacity is
sufficient when the set value is changed by keypad operation. However, when changing the set value
via the communicationfunction, be careful not to exceed the 1,000,000 (one million) capacity limit.
When Lock 1 or Lock 2 is used, every time the set value is changed by the communication function,
the changed value is written in the non-volatile memory. If the value changed by the communication
function is the same as previous one, then it is not written in the non-volatile memory.
WhenLock 3 is usedand if the set value is changed, the changed value is not written in the non-volatile
memory until the power to the controller is turned off.This has no relation to the limit for changes in set value.
Therefore, be sure to use Lock 3 when changing the set value frequently via communication function.
SV2 of the KT2.
If communication function is applied to KT2, SV2 cannot be set by the command.
Host computer
Shielded
wire Shielded wire
D-sub 9-pin connector
KT2
FG
FG
FG
Shielded wire
PLC
FG
FG

4
5. Communication procedure
Communication starts with command transmission from the host computer (hereafter Master) and ends
with the response of the KT2 (hereafter Slave).
• Response with data
When the master sends the reading command, the slave
responds with the corresponding set value or current
status.
• Acknowledgement
When the master sends the setting command, the slave
responds by sending an acknowledgement after the
processing is terminated.
• Negative acknowledgement
When the master sends a non-existent command or a value
outside the setting range, the slave returns a negative
acknowledgement.
• No response
The slave will not respond to the master when broadcast
address is set, or when there is a communication error
(framing error or parity error), or when LRC or CRC
discrepancy is detected.
(Fig. 5-1)
Communication timing of the RS-485
Slave side
When the slave starts transmission through the RS-485 communication line, the slave is arranged
so as to provide an idle status (mark status) transmission period of 1 or more characters before
sending the response to ensure the synchronization on the receiving side.
The slave is arranged so as to disconnect the transmitter from the communication line within a
1 character transmission period after sending the response.
Master side (Notice on programming)
Set the program so that the master can disconnect the transmitter from the communication line
within a 1 character transmission period after sending the command in preparation for reception
of the response from the slave.
To avoid the collision of transmissions between the master and the slave, send the next command
after carefully checking that the master received the response.
6. Modbus protocol
6.1 Modbus protocol
Modbus protocol is a communication protocol for the PLC developed by Modicon Inc.
6.2 Transmission mode
There are 2 transmission modes (ASCII and RTU) in Modbus protocol.
6.3 ASCII mode
Hexadecimal (0 to 9，A to F), which is divided into high order (4-bit) and low order (4-bit) out of
8-bit binary data in the command is transmitted asASCII characters.
Data format Start bit : 1 bit
Data bit : 7 bits
Parity : Even
Stop bit : 1 bit
Error detection: LRC (Longitudinal Redundancy Check)
Data interval : 1 second or less
(1) Message configuration
ASCII mode message is configured to start by [: (colon)(3AH)] and end by [CR (carriage return)
(0DH) + LF (Line feed)(0AH)]. (See Fig. 6.3-1)
(Fig. 6.3-1)
Command
Data
Command
Acknowledgement
Command
Negative
acknowledgement
Command
No response
Master Slave
Slave
address Function code Data Error check LRC Delimiter (CR)
Header
(:) Delimiter (LF)

5
(2) Slave address
Slave address is an individual instrument number on the slave side and is set within the range
00H to 5FH (0 to 95).
The master identifies slaves by the slave address of the requested message.
The slave informs the master which slave is responding to the master by placing its own address
in the response message.
[Slave address 00H (broadcast address) can identify all the slaves. However slaves do not respond.]
(3) Function code
The functioncode is thecommand code that makes the slave to undertake the following action types (Table 6.3-1).
(Table 6.3-1)
Function code Contents
03 (03H) Reading the set value and information from slaves
06 (06H) Setting to slaves
A function code is used to discern whether the response is normal (acknowledgement) or if any error
(negative acknowledgement) has occurred when the slave returns the response message to the master.
When acknowledgement is returned, the slave simply returns the original function code.
When negative acknowledgement is returned, the MSB of the original function code is set as 1
for the response.
(For example, when the master sends a request message setting 10H to function code by mistake,
slave returns 90H by setting the MSB to 1, because the former is an illegal function.)
For negative acknowledgement, exception code (Table 6.3-2) below is set to the data of response
message and returned to the master in order to inform it that what kind of error has occurred.
(Table 6.3-2)
Exception code Contents
1 (01H) Illegal function (Non-existent function)
2 (02H) Illegal data address (Non-existent data address)
3 (03H) Illegal data value (Value out of the setting range)
17 (11H) Illegal setting (Unsettable status)
18 (12H) Illegal setting (During setting mode by keypad, etc)
(4) Data
Data differs depending on the function code.
A request message from the master is composed of data item, number of data and setting data.
A response message from the slave is composed of number of bytes, data and exception code
in negative acknowledgement.
Effective range of data is –32768 to 32767 (8000H to 7FFFH).
(5) ASCII mode error check
After calculating LRC (Longitudinal Redundancy Check) from the slave address to the end of data, the
calculated 8-bit data is converted to twoASCII characters and is appended to the end of the message.
How LRC is calculated
1Create a message in RTU mode.
2Add all the values from the slave address to the end of data. This is assumed as X.
3Make a complement for X (bit reverse). This is assumed as X.
4Add a value of 1 to X. This is assumed as X.
5Set X as an LRC to the end of the message.
6Convert the whole message toASCII characters.
(6) ASCII mode message example
1Reading (Address 1, PV)
• A request message from the master
The number of data indicates the data item to be read and it is fixed as (30H 30H 30H 31H).
(Fig. 6.3-2)
• A response message from the slave in normal status [When PV=600 (0258H)]
The number of response bytes indicates the number of bytes of the data which has been read, and
it is fixed as (30H 32H).
(Fig.6.3-3)
Slave
address Function code Data item DelimiterHeader
(30H 31H)
Number of data
(3AH)
1 2 2 4 4 2 2
(30H 33H) (30H 30H 30H 31H)(30H 30H 38H 30H) (37H 42H) (0DH 0AH)
Error check
LRC Number of
characters
Slave
address Function code Number of
response bytes Error check
LRC DelimiterHeader Data
1 2 2 2 4 2 2
(3AH) (30H 31H) (30H 33H) (30H 32H) (30H 32H 35H 38H) (41H 30H) (0DH 0AH) Number of
characters

6
• A response message from the slave in exception (error) status (When data item is mistaken)
The function code MSB is set to 1 for the response message in exception (error) status [83H (38H 33H)].
If an exception code [02H (30H 32H): Non-existent data address] is returned, the error can be
determined by reading this code.
(Fig.6.3-4)
2Reading (Address 1, SV1)
• Request message from the master
The number of the data indicates the data item to be read and it is fixed as (30H 30H 30H 31H).
(Fig. 6.3-5)
• A response message from the slave in normal status [When SV1=600 (0258H)]
The number of response bytes indicates the number of bytes of the data which has been read, and
it is fixed as (30H 32H).
(Fig. 6.3-6)
• A response message from the slave in exception (error) status (When data item is mistaken)
The function code MSB is set to 1 for the response message in exception (error) status [83H (38H 33H)].
If an exception code [02H (30H 32H): Non-existent data address] is returned, the error can be
determined by reading this code.
(Fig. 6.3-7)
3Setting (Address 1, SV1)
• A request message from the master: When setting SV1 to 600 (0258H)
(Fig. 6.3-8)
• A response message from the slave in normal status
(Fig. 6.3-9)
• A response message from the slave in exception (error) status (When a value out of the setting range is set.)
The function code MSB is set to 1 for the response message in exception (error) status [86H (38H 36H)].
If an exception code [03H (30H 33H): Value out of the setting range] is returned, the error can be
determined by reading this code.
(Fig. 6.3-10)
Slave
address Function code Data item Error check LRC DelimiterHeader
(30H 31H)
Number of data
(3AH)
1 2 2 4 422Number of
characters
(30H 33H) (30H 30H 30H 31H) (30H 30H 30H 31H) (46H 41H) (0DH 0AH)
Slave
address Function code Number of
response bytes Error check
LRC DelimiterHeader Data
1 2 2 2 4 2 2
(3AH) (30H 31H) (30H 33H) (30H 32H) (30H 32H 35H 38H) (41H 30H) (0DH 0AH) Number of
characters
(0DH 0AH)
Slave
address Function code Exception code Error check LRC DelimiterHeader
1 2 2 2 2 2 Number of
characters
(3AH) (30H 31H) (38H 33H) (30H 32H) (37H 41H)
Slave
address Function code Data item DelimiterHeader
(30H 31H)
Data
(3AH)
1 2 2 4 4 2 2
(30H 36H) (30H 30H 30H 31H)(30H 32H 35H 38H) (0DH 0AH) Number of
characters
Error check
LRC
(39H 45H)
(0DH 0AH)
Slave
address Function code Exception code Error check LRC DelimiterHeader
1 2 2 2 2 2 Number of
characters
(3AH) (30H 31H) (38H 33H) (30H 32H) (37H 41H)
Slave
address Function code Exception code Error check LRC DelimiterHeader
2Number of
characters
2
2221
(3AH) (30H 31H) (38H 36H) (30H 33H) (37H 36H) (0DH 0AH)
Slave
address Function code Data item DelimiterHeader
(30H 31H)
Data
(3AH)
1 2 2 4 4 2 2
(30H 36H) (30H 30H 30H 31H)(30H 32H 35H 38H) (0DH 0AH) Number of
characters
Error check
LRC
(39H 45H)

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6.4 RTU mode
8-bit binary data in command is transmitted as it is.
Data format Start bit : 1 bit
Data bit : 8 bits
Parity : No parity
Stop bit : 1 bit
Error detection: CRC-16 (Cyclic Redundancy Check)
Data interval : 3.5 characters transmission time or less
(1) Message configuration
RTU mode is configured to start after idle time is processed for more than 3.5 characters transmission
and end after idle time is processed for more than 3.5 characters transmission. (See Fig. 6.4-1)
(Fig. 6.4-1)
(2) Slave address
Slave address is an individual instrument number on the slave side and is set within the range
00H to 5FH (0 to 95).
The master identifies slaves by the slave address of the requested message.
The slave informs the master which slave is responding to the master by placing its own address
in the response message.
[Slave address 00H (broadcast address) can identify all the slaves. However slaves do not respond.]
(3) Function code
Thefunctioncodeisthecommandcode thatmakestheslave undertakethefollowingactiontypes(Table6.4-1).
(Table 6.4-1)
Function code Contents
03 (03H) Reading the set value and information from slaves
06 (06H) Setting to slaves
A function code is used to discern whether the response is normal (acknowledgement) or if any error
(negative acknowledgement) has occurred when the slave returns the response message to the master.
When acknowledgement is returned, the slave simply returns the original function code.
When negative acknowledgement is returned, the MSB of the original function code is set as 1 for the
response.
(For example, when the master sends request message setting 10H to function code by mistake,
slave returns 90H by setting the MSB to 1, because the former is an illegal function.)
For negative acknowledgement, exception code (Table 6.4-2) below is set to the data of response
message and returned to the master in order to inform it that what kind of error has occurred.
(Table 6.4-2)
Exception code Contents
1 (01H) Illegal function (Non-existent function)
2 (02H) Illegal data address (Non-existent data address)
3 (03H) Illegal data value (Value out of the setting range)
17 (11H) Illegal setting (Unsettable status)
18 (12H) Illegal setting (During setting mode by keypad, etc)
(4) Data
Data differs depending on the function code.
A request message from the master side is composed of data item, number of data and setting data.
A response message from the slave side is composed of number of bytes, data and exception code
in negative acknowledgement.
Effective range of data is –32768 to 32767 (8000H to 7FFFH).
(5) RTU mode error check
After calculating CRC-16 (Cyclic Redundancy Check) from the slave address to the end of data, the
calculated 16-bit data is appended to the end of message in sequence from low order to high order.
How CRC is calculated
In the CRC system, the information is divided by a polynomial series. The remainder is added to the
end of the information and then transmitted. The generation of the polynomial series is as follows.
(Generation of the polynomial series: X16 + X15 + X2+ 1)
1Initialize the CRC-16 data (assumed as X) (FFFFH).
2Calculate exclusive OR (XOR) with the 1st data and X. This is assumed as X.
3Shift X one bit to the right. This is assumed as X.
4When a carry is generated as a result of the shift, XOR is calculated by X of 3and the fixed
value (A001H). This is assumed as X. If a carry is not generated, go to step 5.
5Repeat steps 3and 4until shifting 8 times.
3.5 idle
characters Slave
address Function code Data Error check CRC 3.5 idle
characters

8
6XOR is calculated with the next data and X. This is assumed as X.
7Repeat steps 3to 5.
8Repeat steps 3to 5up to the last data.
9Set X as CRC-16 to the end of message in sequence from low order to high order.
(6) RTU mode message example
1Reading (Address 1, PV)
• A request message from the master
The number of data indicates the data item to be read, and it is fixed as (0001H).
(Fig. 6.4-2)
• Response message from the slave in normal status [When PV=600 (0258H)]
The number of response bytes indicates number of bytes of the data which has been read, and
it is fixed as (02H).
(Fig. 6.4-3)
• Response message from the slave in exception (error) status (When data item is mistaken)
The function code MSB is set to 1 for the response message in exception (error) status (83H).
If an exception code (02H: Non-existent data address) is returned, the error can be determined
by reading this code.
(Fig. 6.4-4)
2Reading (Address 1, SV1)
• A request message from the master
The number of data indicates the data item to be read, and it is fixed as (0001H).
(Fig. 6.4-5)
• Response message from the slave in normal status [SV1=600 (0258H)]
The number of response bytes indicates number of bytes of the data which has been read, and it
is fixed as (02H).
(Fig. 6.4-6)
• Response message from the slave in exception (error) status (When data item is mistaken)
The function code MSB is set to 1 for the response message in exception (error) status (83H).
If an exception code (02H: Non-existent data address) is returned, the error can be determined
by reading this code.
(Fig. 6.4-7)
3Setting (Address 1, SV1)
• A request message from the master: When setting SV1 to 600 (0258H)
(Fig. 6.4-8)
• Response message from the slave in normal status
(Fig. 6.4-9)
3.5 idle
characters Slave
address Function code Data item Error check CRC 3.5 idle
characters
(01H) (03H) (0080H)
Number of
data
(0001H) (85E2H)
1 1 2 2 2 Number of
characters
3.5 idle
characters Slave
address Function code Number of
response bytes Error check
CRC 3.5 idle
characters
(01H) (03H) (02H)
Data
(0258H) (B8DEH)
1 1 1 2 2 Number of
characters
3.5 idle
characters Slave
address Function code Data
item 3.5 idle
characters
(01H) (06H) (0001H)
1 1 2 2Number of
characters
Data
2
Error check
CRC
(D890H)
(0258H)
3.5 idle
characters Slave
address Function code Data item Error check CRC 3.5 idle
characters
(01H) (03H) (0001H)
Number of
data
(0001H) (D5CAH)
1 1 2 2 2 Number of
characters
3.5 idle
characters Slave
address Function code Number of
response bytes Error check
CRC 3.5 idle
characters
(01H) (03H) (02H)
Data
(0258H) (B8DEH)
1 1 1 2 2 Number of
characters
3.5 idle
characters Slave
address Function code Exception code Error check CRC 3.5 idle
characters
(01H) (83H) (02H) (C0F1H)
1 1 1 2 Number of
characters
3.5 idle
characters Slave
address Function code Data
item 3.5 idle characters
(01H) (06H) (0001H)
1 1 2 2Number of
characters
Data
2
Error check
CRC
(D890H)
(0258H)
3.5 idle
characters Slave
address Function code Exception code Error check CRC 3.5 idle
characters
(01H) (83H) (02H) (C0F1H)
1 1 1 2 Number of
characters

9
• Response message from the slave in exception (error) status (When a value out of the setting range is set)
The function code MSB is set to 1 for the response message in exception (error) status (86H).
If an exception code (03H: Value out of the setting range) is returned, the error can be determined by
reading this code.
(Fig. 6.4-10)
7. Communication command table
Modbus
function code Data item Data
03H/06H 1110H: Step 1 SV Set value, Decimal point ignored
03H/06H 1111H: Step 1 time Set value, Decimal point ignored
03H/06H 1120H: Step 2 SV Set value, Decimal point ignored
03H/06H 1121H: Step 2 time Set value, Decimal point ignored
03H/06H 1130H: Step 3 SV Set value, Decimal point ignored
03H/06H 1131H: Step 3 time Set value, Decimal point ignored
03H/06H 1140H: Step 4 SV Set value, Decimal point ignored
03H/06H 1141H: Step 4 time Set value, Decimal point ignored
03H/06H 1150H: Step 5 SV Set value, Decimal point ignored
03H/06H 1151H: Step 5 time Set value, Decimal point ignored
03H/06H 1160H: Step 6 SV Set value, Decimal point ignored
03H/06H 1161H: Step 6 time Set value, Decimal point ignored
03H/06H 1170H: Step 7 SV Set value, Decimal point ignored
03H/06H 1171H: Step 7 time Set value, Decimal point ignored
03H/06H 1180H: Step 8 SV Set value, Decimal point ignored
03H/06H 1181H: Step 8 time Set value, Decimal point ignored
03H/06H 1190H: Step 9 SV Set value, Decimal point ignored
03H/06H 1191H: Step 9 time Set value, Decimal point ignored
03H/06H 0001H: SV1 Set value, Decimal point ignored
0002H: Not used
03H/06H 0003H: AT 0000H: Cancel 0001H: Perform
03H/06H 0004H: OUT1 (Heating) proportional band Set value, Decimal point ignored
03H/06H 0005H: OUT2 (Cooling) proportional band Set value, Decimal point ignored
03H/06H 0006H: OUT1 (Heating) integral time Set value
03H/06H 0007H: OUT1 (Heating) derivative time Set value
03H/06H 0008H: OUT1 (Heating) proportional cycle Set value
03H/06H 0009H: OUT2 (Cooling) proportional cycle Set value
03H/06H 000AH: Manual reset Set value, Decimal point ignored
03H/06H 000BH: A1 value Set value, Decimal point ignored
03H/06H 000CH: A2 value Set value, Decimal point ignored
000DH: Not used
0011H: Not used
03H/06H 0012H: Set value lock (*1) 0000H: Unlock 0001H: Lock 1
0002H: Lock 2 0003H: Lock 3
0013H: Not used
0014H: Not used
03H/06H 0015H: Sensor correction Set value, Decimal point ignored
03H/06H 0016H: Overlap band/Dead band Set value
0017H: Not used
03H/06H 0018H: Scaling high limit Set value, Decimal point ignored
03H/06H 0019H: Scaling low limit Set value, Decimal point ignored
03H/06H 001AH: Decimal point place 0000H: No decimal point
0001H: 1 digit after decimal point
0002H: 2 digits after decimal point
0003H: 3 digits after decimal point
(*1) If Lock 3 is selected, the set data is not saved in the memory. After the power is turned off, the
set value reverts to the value set before Lock 3 was selected.
3.5 idle
characters Slave
address Function code Exception code Error check CRC 3.5 idle
characters
(01H) (86H) (03H) (0261H)
1 1 1 2 Number of
characters

10
03H/06H 001BH: PV filter time constant Set value, Decimal point ignored
03H/06H 001CH: OUT1 (Heating) high limit Set value
03H/06H 001DH: OUT1 (Heating) low limit Set value
03H/06H 001EH: OUT1 (Heating) ON/OFF action
hysteresis Set value, Decimal point ignored
001FH: Not used
0020H: Not used
0021H: Not used
03H/06H 0022H: OUT2 (Cooling) ON/OFF action
hysteresis Set value, Decimal point ignored
03H/06H 0023H: A1 type (*2) 0000H: No alarm action
0001H: High limit alarm
0002H: Low limit alarm
0003H: High/Low limits alarm
0004H: High/Low limit range alarm
0005H: Process high alarm
0006H: Process low alarm
0007H: High limit alarm with standby
0008H: Low limit alarm with standby
0009H: High/Low limits alarm with
standby
000AH: Timer function
000BH: Pattern end output
03H/06H 0024H: A2 type (*2) The same as A1 type selection
03H/06H 0025H: A1 hysteresis Set value, Decimal point ignored
03H/06H 0026H: A2 hysteresis Set value, Decimal point ignored
0027H: Not used
0028H: Not used
03H/06H 0029H: A1 action delayed timer Set value
03H/06H 002AH: A2 action delayed timer Set value
002BH: Not used
0036H: Not used
03H/06H 0037H: OUT/OFF (RUN/STOP) 0000H: OUT(STOP) 0001H: OFF(RUN)
0038H: Not used
0041H: Not used
03H/06H 0042H: Alarm HOLD function 0000H: Alarm Not Holding
0001H: Alarm Holding
0043H: Not used
03H/06H 0044H: Input type 0000H: K [–200 to 1370 ]
0001H: K [–199.9 to 400.0 ]
0002H: J [–200 to 1000 ]
0003H: R [0 to 1760 ]
0004H: S [0 to 1760 ]
0005H: B [0 to 1820 ]
0006H: E [–200 to 800 ]
0007H: T [–199.9 to 400.0 ]
0008H: N [–200 to 1300 ]
0009H: PL- [0 to 1390 ]
000AH: C (W/Re5-26) [0 to 2315 ]
000BH: Pt100 [–199.9 to 850.0 ]
000CH: JPt100 [–199.9 to 500.0 ]
000DH: Pt100 [–200 to 850 ]
000EH: JPt100 [–200 to 500 ]
000FH: K [–320 to 2500 ]
0010H: K [–199.9 to 750.0 ]
0011H: J [–320 to 1800 ]
0012H: R [0 to 3200 ]
0013H: S [0 to 3200 ]
0014H: B [0 to 3300 ]
0015H: E [–320 to 1500 ]
(*2) If the alarm type is changed, the alarm set value reverts to the default value, and alarm
output status is also initialized.

11
0016H: T [–199.9 to 750.0 ]
0017H: N [–320 to 2300 ]
0018H: PL- [0 to 2500 ]
0019H: C (W/Re5-26) [0 to 4200 ]
001AH: Pt100 [–199.9 to 999.9 ]
001BH: JPt100 [–199.9 to 900.0 ]
001CH: Pt100 [–300 to 1500 ]
001DH: JPt100 [–300 to 900 ]
001EH: 4 to 20mA DC [–1999 to 9999]
001FH: 0 to 20mA DC [–1999 to 9999]
0020H: 0 to 1V DC [–1999 to 9999]
0021H: 0 to 5V DC [–1999 to 9999]
0022H: 1 to 5V DC [–1999 to 9999]
0023H: 0 to 10V DC [–1999 to 9999]
03H/06H 0045H: Direct/Reverse action 0000H: Heating (Reverse action)
0001H: Cooling (Direct action)
0046H: Not used
03H/06H 0047H: AT bias Set value, Decimal point ignored
03H/06H 0048H: ARW Set value
03H/06H 006FH: Key lock 0000H: Key enabled 0001H: Key locked
06H 0070H: Key operation change flag clearing 0000H: No action 0001H: All clearing
03H 0080H: PV (input value) reading Current PV, Decimal point ignored
03H 0081H: OUT1 (Heating) MV reading OUT1 (Heating) MV (manipulated
variable), Decimal point ignored
03H 0082H: OUT2 (Cooling) MV reading OUT2 (Cooling) MV,
Decimal point ignored
03H 0083H: Current SV reading Current SV, Decimal point ignored
03H 0084H: Running step remaining time
reading Remaining time Decimal point ignored
03H 0085H: Status flag 0000 0000 0000 0000
215 to 20
20digit: OUT1 (Heating) output
0: OFF 1: ON (For current
output, Not decided)
21digit: OUT2 (Cooling) output
0: OFF 1: ON
22digit: A1 output 0: OFF 1: ON
23digit: A2 output 0: OFF 1: ON
24to 27digit: Not used (Always 0)
28digit: Overscale 0: OFF 1: ON
29digit: Underscale 0: OFF 1: RUN
210 digit: OUT (STOP)/OFF (RUN)
selection
0: OUT (STOP)
1: OFF (RUN)
211 digit: During AT 0: OFF 1: AT
212 digit: OUT/OFF key function
selection
0: Control output OUT/OFF
function (Fixed value control)
1: Program control function
213 digit: Controller/Converter mode
selection
0: Controller 1: Converter
214 digit: Not used (Always 0)
215 digit: Change in key operation
0: No 1: Yes
03H 0086H: Running step Running step
0087H: Not used
0088H: Not used
00A0H: Not used

12
03H 00A1H: Instrument information reading 0000 0000 0000 0000
215 to 20
20digit: OUT1 (Heating) output
0: OFF 1: ON (For current
output, Not decided)
21digit: Heating/Cooling function option
0: Not applied 1: Applied
22digit: A1 function
0: Not applied 1: Applied
23digit: A2 function
0: Not applied 1: Applied
24to 215 digit: Not used (Always 0)
8. Specifications
Communication method : Half-duplex
Cable length : Maximum communication distance 1,000m
Cable resistance: Within 50 (The terminator is not necessary or
120 or more on the PLC side.)
Communication line : EIA RS-485
Number of connectable units: Maximum 31 units
Communication speed : 9600bps (2400, 4800, 9600, 19200bps) Selectable by keypad
Synchronous system : Start-stop synchronous
Instrument number : 0 (0 to 95) Selectable by keypad
Communication protocol : Modbus ASCII (ModbusASCII, Modbus RTU) Selectable by keypad
Code form :ASCII (ModbusASCII) , Binary (Modbus RTU) (*)
Error detection : Parity, LRC (ModbusASCII), CRC (Modbus RTU) (*)
Error correction : Command request repeat system
Data format Start bit : 1 bit
Data bit : 7 bits (Modbus ASCII), 8 bits (Modbus RTU) (*)
Parity : Even (Modbus ASCII), No parity (Modbus RTU) (*)
Stop bit : 1 bit
(*):Automatically selected upon selecting the communication protocol.
9. Troubleshooting
If any malfunction occurs, refer to the following items after checking the power supply to the master
and the slave.
• Problem: Communication failure Check the following
The connection or wiring of the communication cable is not secure.
Burnout or imperfect contact on the communication cable and the connector.
Communication speed of the slave does not coincide with that of the master.
The data bit, parity and stop bit of the master do not accord with those of the slave.
The instrument number of the slave does not coincide with that of the command.
The instrument numbers are duplicated in multiple slaves.
When communicating without using communication converter, make sure that the program is
appropriate for the transmission timing.
•Problem: Although communication is occurring, the response is 'exception code'.
Check the following
Check whether a non-existent command code has been sent or not.
The setting command data exceeds the setting range of the slave.
The controller cannot be set when functions such asAT is performed.
While in setting mode and inputting settings via the front keypad.
For further inquiries, please consult our agency or the shop where you purchased the unit.
Panasonic Industrial Devices SUNX Co., Ltd.
http://panasonic.net/id/pidsx/global
Overseas Sales Division (Head Office)
2431-1 Ushiyama-cho, Kasugai-shi, Aichi, 486-0901, Japan
Phone: [phone] FAX: [phone]
About our sale network, please visit our website.
PRINTED IN JAPAN © Panasonic Industrial Devices SUNX Co., Ltd. 2012
Pursuant to the directive 2004/108/EC, article 9(2)
Panasonic Electric Works Europe AG
Rudolf-Diesel-Ring 2 83607 Holzkirchen, Germany
This product has been developed / produced for industrial use only.