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5 Communications Data for Modbus
5 - 2
E5C-T Digital Controllers Programmable Type Communications Manual (H186)
5-1 Variable Area (Setting Range) List
• Four-byte Mode
One element uses 4 bytes of data (H'00000000 to H'FFFFFFFF), so specify two-element units.
Reading and writing in 4-byte units is executed by specifying an even address and specifying the
number of elements in multiples of 2.
• Two-byte Mode
One element uses 2 bytes of data (H'0000 to H'FFFF), so specify one-element units. Reading and
writing in 2-byte data units is executed by specifying 1-element units.
The following table lists the variable area. Items expressed in hexadecimal in the "Setting (monitor)
value" column are the setting range in the Modbus specifications. Values in parentheses "()" are the
actual setting range.
When there is a section reference for a setting item, refer to that reference for details.
Address
Parameter name Setting (monitor) value Level
Four-byte
mode
Two-byte
mode
0000 2000 PV Temperature: Use the specified range for each sensor.
Analog: Scaling lower limit − 5% FS to Scaling upper limit + 5% FS
Operation
0002 2001
Status
*1*2
Refer to 5-2 Status for details.
0004 2002
Present SP
*1
SP lower limit to SP upper limit
0006 2003 Heater Current 1 Value
Monitor
H'00000000 to H'00000226 (0.0 to 55.0)
0008 2004 MV Monitor (Heating) Standard: H'FFFFFFCE to H'0000041A (−5.0 to
105.0)
Heating and cooling: H'00000000 to H'0000041A (0.0 to 105.0)
000A 2005 MV Monitor (Cooling) H'00000000 to H'0000041A (0.0 to 105.0)
0404 2402 PV Temperature: Use the specified range for each sensor.
Analog: Scaling lower limit − 5% FS to Scaling upper limit + 5% FS
0406 2403
Present SP
*1
SP lower limit to SP upper limit
0408 2404 Program No. Monitor H'00000000 to H'00000007 (0 to 7)
040A 2405 PID Set No. Monitor H'00000001 to H'00000008 (1 to 8) None
040C 2406
Status
*1*2
Refer to 5-2 Status for details. Operation
040E 2407
Status
*1*3
Refer to 5-2 Status for details.
0410 2408
Status 2
*1*2
Refer to 5-2 Status for details.
0412 2409
Status 2
*1*3
Refer to 5-2 Status for details.
0420 2410 Decimal Point Monitor H'00000000 to H'00000003 (0 to 3)
0500 2500 Operation/Adjustment
Protect
H'00000000 (0) to H'00000005 (5)
0: No control
1: Operation level (PV displayed, PV/SP allowed, others allowed),
program level allowed, adjustment level allowed, PID setting level
prohibited
2: Operation level (PV displayed, PV/SP allowed, others allowed),
program level allowed, adjustment level prohibited, PID setting
level prohibited
3: Operation level (PV displayed, PV/SP allowed, others allowed),
program level prohibited, adjustment level prohibited, PID setting
level prohibited
4: Operation level (PV displayed, PV/SP allowed, others prohibited),
program level prohibited, adjustment level prohibited, PID setting
level prohibited
5: Operation level (PV displayed, PV/SP displayed, others
prohibited), program level prohibited, adjustment level prohibited,
PID setting level prohibited
Protect
*1 Not displayed on the Controller display.
*2 In 2-byte mode, the rightmost 16 bits are read.
*3 In 2-byte mode, the leftmost 16 bits are read.
- Programmable Type 1
- Preface 3
- © OMRON, 2014 3
- Warranties 4
- Limitation on Liability; Etc 4
- Safety Precautions 6
- CAUTION 7
- Precautions for Safe Use 9
- Precautions for Safe Use 10
- Trademarks 11
- Versions 12
- Revision History 13
- Revision History 14
- Sections in This Manual 15
- CONTENTS 16
- Section A Appendices 18
- Communications Methods 19
- 1-1-1 Introduction 20
- 1-1-3 Transmission Procedure 21
- 1-1-4 Interface 21
- 1-1-5 Wiring 21
- 1 Communications Methods 22
- CompoWay/F Communications 25
- Procedures 25
- 2-1 Data Format 26
- 2-1-2 BCC Calculation Example 27
- 2-1-3 Response Frame 27
- 2-1-4 Communications Data 28
- 2-1-5 End Code Example 28
- 2-1 Data Format 29
- 2-1-5 End Code Example 29
- 2-2 Structure of Command Text 30
- 2-2-4 Addresses 31
- 2-2-5 Number of Elements 31
- Variable 32
- 2-3-2 Write Variable Area 33
- Response 36
- -5CCT AEX3R 38
- 2-3-7 Echoback Test 39
- (2) Response Code 40
- • Normal Completion 40
- • Error Occurred 40
- 2-3-8 Operation Command 41
- 2-3-8 Operation Command 43
- 2-4 Response Code List 46
- Communications Data for 47
- CompoWay/F 47
- 3-2 Status and Status 2 77
- 3-2 Status and Status 2 79
- Modbus Communications 81
- Procedure 81
- 4-1 Data Format 82
- 4-1 Data Format 83
- 4-1-1 Command Frame 83
- 4-1-2 Response Frame 84
- 4-1-3 Error Codes 85
- 4-2 Function List 86
- 4-3 Variable Area 87
- 4-4-1 Variable Read, Multiple 88
- Response Frame 89
- Response Code 89
- H'10 90
- Command Frame 92
- 4-4-4 Echoback Test 94
- PID set is fixed at PID1 98
- 5-2 Status 115
- Programless Communications 117
- 6-1-1 Introduction 119
- 6-1-2 Features 119
- 6-1-5 Connectable PLCs 121
- 6-2 E5@C-T Controller Setup 122
- 6-2-3 Send Data Wait Time 123
- Communications Setting Level 125
- 6-2-6 Receive Data Wait Time 126
- 6-2 E5@C-T Controller Setup 129
- Troubleshooting 133
- 6-2-10 Communications Writing 134
- 6-3 Controlling Programless 136
- Communications 136
- 6-3-2 Response Flag 137
- 6-3-4 Operation Command Codes 138
- 6-3-6 Write Mode 138
- 6-3-7 Troubleshooting 139
- CX-Programmer and USB driver 140
- 6-4-3 PLC Setup 141
- 6-4-3 PLC Setup 143
- 6-4-4 E5@C-T Controller Setup 144
- SCU21-V1 145
- 6-4-5 Checking Operation 146
- 6-4-5 Checking Operation 147
- Changing E5CC-T Settings 148
- Connecting to the PLC 152
- 6-5-3 PLC Setup 152
- 6-5-3 PLC Setup 153
- 6-5-4 E5@C-T Controller Setup 155
- 6-5-5 Checking Operation 155
- USB port 156
- USB connector 156
- Commercially 156
- QJ71C24N-R4 157
- (4) Click the OK Button 158
- (5) Click the Execute Button 158
- 6-6-3 PLC Setup 159
- 6-6-4 E5@C-T Controller Setup 162
- 6-6-5 Checking Operation 163
- 6-6-5 Checking Operation 165
- Component Communications 169
- 7-1 Component Communications 170
- 7-1-2 Wiring 171
- Initial Setting Level 172
- Operation Level 172
- Adjustment Level 172
- 7 Component Communications 173
- 7-2 Operation for Component 174
- 7-3 Troubleshooting 175
- Appendices 177
- A-1 ASCII List 178
- A-2 Troubleshooting 179
- A Appendices 180
- Contact: www.ia.omron.com 186
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