ABB Arc Guard System TVOC-2-COM Configuration Manual

Draft, ne pas diffuser Wed Dec 05 2018 12:41:51 GMT+0100 (Romance Standard Time)

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1SFC170 017M0201 EN, RE V C

Arc Guard System™ – TVOC-2-COM

Modbus configuration manual

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Read this first

Warning and safety

Thank you for selecting this ABB TVOC-2 Arc Guard

System™. Carefully read and make sure that you understand all instructions before you mount, connect, configure the Arc Guard System.

This manual is intended for configuration of the TVOC-2-

COM Modbus interface.

The manual is available on: http://new.abb.com/low-voltage/products/arc-guard

• Only authorized and appropriately trained personnel are allowed to install and make the electrical connection of the Arc Guard System in accordance with existing laws and regulations.

• Only authorized personnel are allowed to do service and repair on the Arc Guard System.

• Unauthorized repair will effect the warranty.

• This manual is a part of the TVOC-2 Arc Guard System.

Always keep this manual available when working with the TVOC-2 Arc Guard System.

• Examine the Arc Guard System and the package when you unpack your new product. If there are damages, please contact the transportation company or the ABB reseller/office immediately.

General safety information

WARNING

Only authorized and appropriately trained personnel are allowed to install and make the electrical connection of the Arc Guard System in accordance with existing laws and regulations.

WARNING

Examine the Arc Guard System and the package when you unpack your new product. If there are damages, please contact the transportation company or the ABB reseller/office immediately.

WARNING

Only authorized and appropriately trained service personnel are allowed to do service and repair on the Arc Guard System. Note: unauthorized repair will effect the warranty.

Personal

Service and repair should be performed by authorized personnel only. Note that unauthorized repair affects safety and warranty.

Safety notes

In this user manual, these symbols are used:

WARNING

General warning symbol indicates the presence of a hazard which could result in personal injury and damage to equipment or property.

WARNING

Warning symbol indicates the presence of hazardous voltage which could result in personal injury.

INFORMATION

Information sign alerts the reader to relevant facts and conditions.

Modifications to data in this manual can be applied without notice.



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Arc Guard System™

TVOC-2-COM Modbus

Configuration manual

GENERAL

INFORMATION

P. 7

MODBUS

INSTALLATION

P. 11

CHANGING MODBUS ID

AND COMMUNICATION

PARAMETERS

P. 15

FUNCTIONAL

DESCRIPTION

P. 19

TROUBLESHOOTING

P. 33

INDEX

P. 36


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1 General information

7

8

8

8

1.1 Introduction

1.2 references

1.3 Quick start-up

1.1 Introduction

This manual covers the Modbus interface, which offers a direct connection to Modbus-RTU for the Arc Guard

System™ TVOC-2.

TVOC-2-COM will behave as a slave. This means all communication will be performed by a master device on the same Modbus system. Mostly this will be a PLC. This manual explains how to install the Arc Guard System™

TVOC-2-COM to your Modbus system.

1.2 References

[1] http://www.modbus.org/docs/Modbus_Application_

Protocol_V1_1b3.pdf (2012)

[2] http://www.modbus.org/docs/Modbus_over_serial_ line_V1_02.pdf (2006)

[3] https://www.modbusdriver.com/modpoll.html

1.3 Quick start-up

1 Make sure your Modbus master has been installed to the system.

2

The TVOC-2-COM will be delivered with the following configuration:

• baud rate 19200

• parity even

• stop bits 1

• Modbus ID 248*

*Modbus ID 248 is not a valid id for a Modbus system but is used to indicate that the communication is disabled.

3 Physically connect the system to the Modbus network.

4 Test communication between your master and the TVOC-2 system. For example see chapter 5

Troubleshooting.

START

1

2

Master present

Set Modbus id of TVOC-2

Figure 1

Quick start-up

3

4

Connect

TVOC-2

System

Test

Ready

9


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2 Modbus installation

12

12

12

13

2.1 General

2.2 Modbus connector

2.3 Modbus cables

2.4 Termination

11

2.1 General

Modbus/RTU is a 2-wire, RS485-based field bus communication system for parameter value exchange.

INFORMATION

The implementation of the Modbus interface is based on standards [1] and [2].

2.2 Modbus connector

The supplied Modbus connector has the following pin configuration:

Table 1 Modbus Connector

Terminal

+(B)

-(A)

DGND

EIA/TIA-485 name

B/B’

A/A’

C/C’

ITr/IDv

D1

D0

Common

Description

Transceiver terminal 1

Terminator 1 input*

Transceiver terminal 0

Terminator 2 input*

Signal common

* If the device is connected as first or last device in a multi-drop system, a 120Ω terminator resistor should be installed between terminator inputs (A) and (B).

+(B) -(A) DGND

Figure 2

Modbus connector

2.3 Modbus cables

Recommended cable: Belden 3105A (AWG22).

2.4 Termination

For best quality of data transfer, Modbus should be terminated correctly.

The following figure shows Modbus installation according to [3].

2.4.1 Termination resistors

A 120Ω resistor is added in parallel with TVOC-2 System connection if it is installed as first or last device on the network. For this purpose there are double terminals for

+(B) and -(A) connections.

2.4.2 Pull-up / pull-down resistors

When the Modbus network is not being actively driven by a device, the bus line is in an undefined state. Bias resistors should then be used to obtain a defined voltage potential on the data lines. The bias resistors act for data line B (D1) as pull-up resistors against 5V and for data line A (D0) as pull-down resistors against GND. This is illustrated in Figure 20 in [2].

The following devices usually have built-in bias resistors:

• Modbus masters

• Gateways

• Repeaters

Figure 3

General 2-Wire Topology

13


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3 Changing Modbus ID and

communication parameters

15

16

16

3.1 Changing Modbus ID and communication parameters

3.2 Configuration via HMI

3.1 Changing Modbus ID and communication parameters

On delivery the default parameters are:

• Modbus ID 248

• Baud rate 19200

• Parity even

• Data bits 8

• Stop bits 1

The parameters should be changed to fit the existing network.

3.2 Configuration via HMI

Use the HMI to navigate to menu 3.4 Modbus

Select appropriate submenu to change configuration.

Note: The Modbus ID must be changed to enable communication. The default ID of 248 only indicates that the Modbus communication is disabled. It is not a valid ID in a Modbus network. Valid ID range is 1-247.

Figure 4

Menu 3.4 Modbus



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4 Functional description

19

20

20

20

28

28

30

30

30

30

31

31

25

26

26

27

27

4.1 Functional description

4.2 Implementation class

4.3 Supported Modbus functions

4.4 Register data format

4.4.1 Trip information

4.4.2 Diagnostics information

4.4.3 Error information

4.4.4 Custom name registers

4.4.5 Installed modules

4.4.6 Dip switches

4.4.7 Version information

4.4.8 Reset

4.4.9 System date

4.4.10 System time HHMM

4.4.11 Modbus failure register

4.4.12 System state

4.4.13 Diagnostic Trouble Code, number x

4.1 Functional description

The information found here is the basic information needed for the installation of a Modbus system.

4.2 Implementation class

The physical and data link layer are implemented conforming to the “basic slave” implementation class as described in document [2] “MODBUS over Serial Line specification and implementation guide V1.02”.

The following options have been implemented:

Table 2 Modbus Parameters

General settings

Parameter

Addressing

Baud rate

Parity

Data bits

Stop bits

Electrical interface

Options Remarks address configurable 1-248 (default 248) When set to 248, the communication is disabled.

9600

19200 (default)

38400

57600 none even (default) odd

8 Not configurable.

1 (default)

1.5

2

RS485 2W cabling

The use of no parity requires 2 stop bits.

4.3 Supported Modbus functions

This section describes the supported Modbus function codes.

4.3.1 Read Registers (03, 04)

Both function 03, Read Holding Registers and function 04,

Read Input Registers, can be used. The addresses are the same.

Table 3 Read Exceptions

Possible exception responses

Code

02

Name

ILLEGAL_DATA_ADDRESS

Meaning

Address refers to a register that is not available or not readable.

4.3.2 Write Registers (06, 16)

Functions 06, Write Single Register and function 16, Write

Multiple Registers, are supported.

Table 4 Write Exceptions

Possible exception responses

Code

02

Name

ILLEGAL_DATA_ADDRESS

03 ILLEGAL_DATA_VALUE

4.3.3 Available registers

Trip 1 detector, low


Trip 1 detector, high

Trip 1 relay

Trip 1 date

Trip 1 time HHMM

Trip 1 time SS



Trip 2 relay

Trip 2 date

Trip 2 time HHMM

Trip 2 time SS



Trip 3 relay

Trip 3 date

Trip 3 time HHMM

Trip 3 time SS



Trip 4 relay

Trip 4 date

Trip 4 time HHMM

Trip 4 time SS



Trip 5 relay

Trip 5 date

Trip 5 time HHMM

Trip 5 time SS



Modbus registers are numbered from 1 to 65536.

In a Modbus PDU (Protocol Data Unit) these registers are addressed from 0 to 65535.

The following table lists the available parameters. More details about the data format can be found in

4.4 Register data format below.

Modbus registers

Parameter name Access PDU Address

Hex

0x0079

0x007A

0x007B

0x007C

0x007D

0x007E

0x0080

0x0081

0x0082

0x0083

0x006D

0x006E

0x006F

0x0070

0x0072

0x0073

0x0074

0x0075

0x0076

0x0077

0x0084

0x0085

0x0087

0x0088

0x0064

0x0064

0x0065

0x0066

0x0067

0x0068

0x0069

0x006B

0x006C

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Dec

125

126

128

129

130

131

121

122

123

124

132

133

135

136

114

115

116

117

118

119

109

110

111

112

103

104

105

107

108

100

100

101

102

Meaning

Address refers to a register that is not available or not readable.

The value written is not permitted for this register.

Register Number

Hex Dec

0x007A

0x007B

0x007C

0x007D

0x007E

0x007F

0x0081

0x0082

0x0083

0x0084

0x006E

0x006F

0x0070

0x0071

0x0073

0x0074

0x0075

0x0076

0x0077

0x0078

0x0085

0x0086

0x0088

0x0089

0x0065

0x0065

0x0066

0x0067

0x0068

0x0069

0x006A

0x006C

0x006D

126

127

129

130

131

132

122

123

124

125

133

134

136

137

115

116

117

118

119

120

110

111

112

113

104

105

106

108

109

101

101

102

103

Remark

X1:1 – X2:5

X1:1 – X2:5

X2:6 – X3:10

K4 (LSb), K5, K6

Days since January 1, 1970

MSB = hours, LSB = minutes

X1:1 – X2:5

X2:6 – X3:10

K4 (LSb), K5, K6



X1:1 – X2:5

X2:6 – X3:10

K4 (LSb), K5, K6



X1:1 – X2:5

X2:6 – X3:10

K4 (LSb), K5, K6



X1:1 – X2:5

X2:6 – X3:10

K4 (LSb), K5, K6



X1:1 – X2:5

X2:6 – X3:10

21


Parameter name

Trip 6 relay

Trip 6 date

Trip 6 time HHMM

Trip 6 time SS



Trip 7 relay

Trip 7 date

Trip 7 time HHMM

Trip 7 time SS

Number of trips

Diagnostics error date

Diagnostics error time HHMM

Diagnostics error time SS

Diagnostics error DTC, number 2 and 1


R

R


Diagnostics trip

Diagnostics trip date

Diagnostics trip time HHMM

Diagnostics trip time SS

Diagnostics trip detector low

Diagnostics trip detector high

Diagnostics trip relay

Perform diagnostics

0 = no-operation

Last performed diagnostics date R

Last performed diagnostics time R

Error 1 date R

R

R

R

R

W

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Error 1 time HHMM

Error 1 time SS

Error 1 DTC, number 2 and 1



Error 2 date

Error 2 time HHMM

Error 2 time SS




Error 3 date

Error 3 time HHMM

Error 3 time SS




Error 4 date

Error 4 time HHMM

Error 4 time SS

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Access PDU Address

Hex

0x0089

0x008A

0x008B

0x008C

0x008E

0x008F

0x0090

0x0091

0x0092

0x0093

0x0095

0x00C8

0x00C9

0x00CA

0x00CB

0x00CC

0x0133

0x0134

0x0135

0x0136

0x0137

0x0138

0x013A

0x013B

0x013C

0x013D

0x00DC

0x00DD

0x012C

0x012D

0x012E

0x012F

0x0130

0x0131

0x013E

0x013F

0x0141

0x0142

0x0143

0x00CD

0x00CE

0x00CF

0x00D0

0x00D1

0x00D2

0x00D3

0x00D4

0x00D5

203

204

311

312

314

315

316

317

307

308

309

310

318

319

321

322

323

302

303

304

305

220

221

300

301

209

210

211

212

213

205

206

207

208

Dec

146

147

149

200

201

202

142

143

144

145

137

138

139

140

0x00CC 204

0x00CD 205

0x00CE

0x00CF

0x00D0

0x00D1

0x00D2

0x00D3

0x00D4

0x00D5

0x00D6

210

211

212

213

214

206

207

208

209

312

313

315

316

317

318

308

309

310

311

319

320

322

323

324

303

304

305

306

221

222

301

302

0x0134

0x0135

0x0136

0x0137

0x0138

0x0139

0x013B

0x013C

0x013D

0x013E

0x00DD

0x00DE

0x012D

0x012E

0x012F

0x0130

0x0131

0x0132

0x013F

0x0140

0x0142

0x0143

0x0144

Register Number

Hex Dec

0x008A

0x008B

0x008C

0x008D

0x008F

0x0090

0x0091

0x0092

0x0093

0x0094

0x0096

0x00C9

0x00CA

0x00CB

147

148

150

201

202

203

143

144

145

146

138

139

140

141

Remark

K4 (LSb), K5, K6



X1:1 – X2:5

X2:6 – X3:10

K4 (LSb), K5, K6



Number of trips in trip log




X1:1 – X2:5

X2:6 – X3:10

1 = perform diagnostics,






Parameter name




Error 5 date

Error 5 time HHMM

Error 5 time SS




Error 6 date

Error 6 time HHMM

Error 6 time SS




Error 7 date

Error 7 time HHMM

Error 7 time SS




Error 8 date

Error 8 time HHMM

Error 8 time SS




Error 9 date

Error 9 time HHMM

Error 9 time SS




Custom name, letter 1 and 2








Installed modules

Dip Switches

Arc Monitor SW version XXYY

Arc Monitor SW version ZZ

Arc Monitor HW version

Arc Monitor CPLD version XXYY R

Arc Monitor CPLD version ZZ R

Arc Monitor ID, byte 0


R

R



R

R

R

R

R

R

R

RW

RW

RW

RW

RW

RW

R

R

R

R

RW

RW

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R


Hex

0x0161

0x0162

0x0164

0x0165

0x0166

0x0167

0x0168

0x0169

0x0190

0x0191

0x0156

0x0157

0x0158

0x0159

0x015A

0x015B

0x015D

0x015E

0x015F

0x0160

0x0144

0x0145

0x0146

0x0148

0x0149

0x014A

0x014B

0x014C

0x014D

0x014F

0x0150

0x0151

0x0152

0x0153

0x0154

0x0192

0x0193

0x0194

0x0195

0x0196

0x0197

0x01F4

0x0258

0x0320

0x0321

0x0322

0x0323

0x0324

0x032B

0x032C

0x032D

0x032E

Dec

358

359

360

361

400

401

353

354

356

357

346

347

349

350

351

352

342

343

344

345

335

336

337

338

339

340

330

331

332

333

324

325

326

328

329

803

804

811

812

813

814

406

407

500

600

402

403

404

405

800

801

802

Register Number

Hex Dec

0x0162

0x0163

0x0165

0x0166

0x0167

0x0168

0x0169

0x016A

0x0191

0x0192

0x0157

0x0158

0x0159

0x015A

0x015B

0x015C

0x015E

0x015F

0x0160

0x0161

0x0145

0x0146

0x0147

0x0149

0x014A

0x014B

0x014C

0x014D

0x014E

0x0150

0x0151

0x0152

0x0153

0x0154

0x0155

0x0193

0x0194

0x0195

0x0196

0x0197

0x0198

0x01F5

0x0259

0x0321

0x0322

0x0323

0x0324

0x0325

0x032C

0x032D

0x032E

0x032F

359

360

361

362

401

402

354

355

357

358

347

348

350

351

352

353

343

344

345

346

336

337

338

339

340

341

331

332

333

334

325

326

327

329

330

804

805

812

813

814

815

407

408

501

601

403

404

405

406

801

802

803

Remark






23


Parameter name


HMI SW version XXYY

HMI SW version ZZ

HMI HW version

HMI ID, byte 0

HMI ID, byte 1

HMI ID, byte 2

HMI ID, byte 3

HMI ID, byte 4

Other HMI SW version XXYY

Other HMI SW version ZZ

Other HMI HW version

Other HMI ID, byte 0





X2 HW version

X2 CPLD version XXYY

X2 CPLD version ZZ

X2 ID, byte 0

X2 ID, byte 1

X2 ID, byte 2

X2 ID, byte 3

X2 ID, byte 4

X3 HW version

X3 CPLD version XXYY

X3 CPLD version ZZ

X3 ID, byte 0

X3 ID, byte 1

X3 ID, byte 2

X3 ID, byte 3

X3 ID, byte 4

Reset trip

System date

System time HHMM

Modbus failure register

System state

Active DTC, number 1







Hex

0x0378

0x0379

0x037A

0x037B

0x037C

0x03E8

0x044C

0x044D

0x04B0

0x0514

0x035D

0x035E

0x0364

0x0365

0x0366

0x0367

0x0368

0x0370

0x0371

0x0372

0x0341

0x0348

0x0349

0x034A

0x0351

0x0352

0x0353

0x0354

0x0355

0x035C

0x032F

0x0334

0x0335

0x0336

0x033D

0x033E

0x033F

0x0340

0x0515

0x0516

0x0517

0x0518

0x0519

0x051A

R

R

R

W

RW

RW

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Dec

888

889

890

891

892

1000

1100

1101

1200

1300

870

871

872

880

881

882

861

862

868

869

1301

1302

1303

1304

1305

1306

849

850

851

852

853

860

833

840

841

842

829

830

831

832

815

820

821

822

Register Number

Hex Dec

0x0379

0x037A

0x037B

0x037C

0x037D

0x03E9

0x044D

0x044E

0x04B1

0x0515

0x035E

0x035F

0x0365

0x0366

0x0367

0x0368

0x0369

0x0371

0x0372

0x0373

0x0342

0x0349

0x034A

0x034B

0x0352

0x0353

0x0354

0x0355

0x0356

0x035D

0x0330

0x0335

0x0336

0x0337

0x033E

0x033F

0x0340

0x0341

0x0516

0x0517

0x0518

0x0519

0x051A

0x051B

889

890

891

892

893

1001

1101

1102

1201

1301

871

872

873

881

882

883

862

863

869

870

1302

1303

1304

1305

1306

1307

850

851

852

853

854

861

834

841

842

843

830

831

832

833

816

821

822

823

Remark

1 = reset, 0 = no-operation

4.4 Register data format

This section describes details about the data format for selected registers.

4.4.1 Trip information

The trip registers contain information about the last 7 trips that has occurred. If less than 7 trips has occurred, which can be checked by reading register Number of trips, the register values will be 0xFFFF.

4.4.1.1

Trip x detector, low

This register contains a bit field that contains which detectors triggered the trip.

Bit 15

-

14

X2:5

13

X2:4

12

X2:3

11

X2:2

10

X2:1

9

X1:10

8

X1:9

7

X1:8

6

X1:7

5

X1:6

4

X1:5

3

X1:4

2

X1:3

1

X1:2

0

X1:1

4.4.1.2

Trip x detector, high

Bit 15 14 13 12

X3:10 X3:9 X3:8

11

X3:7

10

X3:6

9

X3:5

8

X3:4

7

X3:3

6

X3:2

5

X3:1

4

X2:10

3

X2:9

2

X2:8

1

X2:7

0

X2:6

4.4.1.3

Trip x relay (IGBT)

Bit 15 14 13

-

12

-

11

-

10

-

9

-

8

-

7

-

6

-

5

-

4

-

3

-

2

K6

1

K5

0

K4

4.4.1.4

Trip x date

The date the trip occurred. The date is expressed as number of days since January 1, 1970.

Example: the value 0x42B6 (17078) corresponds to

October 4, 2016.

4.4.1.5

Trip x time HHMM

The hours and minutes of time the trip occurred. The time is expressed in 24h format as a 16 bit value where the most significant byte contains the hours and the least significant the minutes.

Example: the value 0x0922 (2338) corresponds to 09:34.

4.4.1.6

Trip x time SS

The seconds of the time the trip occurred.

4.4.1.7

Number of trips

The number of trips that has occurred.

25

4.4.2 Diagnostics information

The following registers contain the same information as menu 2. Diagnostics on the HMI.

Diagnostics error registers contain information about the current active error. If there is no active error they contain

0x0000. The format of the registers are as described in

4.4.3 Error information below.

Diagnostics trip registers contain information about the current active trip. If there is no active trip they contain

0x0000. The format of the registers are as described in

4.4.1 Trip information above.

Register System state can be read to see if there is an active error/trip.

4.4.2.1

Perform diagnostics

Write value 1 to this register to perform diagnostic test.

4.4.2.2

Last performed diagnostics date

Date of last performed diagnostics. Format as described in 4.4.1.4 Trip x date above.

4.4.2.3

Last performed diagnostics time HHMM

Time of last performed diagnostics. Format as described in 4.4.1.5 Trip x time HHMM above.

4.4.3 Error information

The error registers contain information about the last 9 errors that has occurred. If less than 9 errors has occurred, which can be checked by reading register Number of errors, the register values will be 0xFFFF.

4.4.3.1

Error x date

The date the error occurred. The date is expressed as number of days since January 1, 1970.


October 4, 2016.

4.4.3.2

Error x time HHMM

The hours and minutes of time the trip occurred. The time is expressed in 24h format as a 16 bit value where the most significant byte contains the hours and the least significant the minutes.


4.4.3.3

Error x time SS

The seconds of the time the trip occurred.

27

4.4.3.4

Error x DTC, number y and z

A diagnostic trouble code (DTC) consist of 6 numbers.

When displayed on the HMI it has the following format: n6-n5-n4-n3-n2-n1, where n<n> denotes number n.

Example: With DTC 64-0-0-2-0-0, number 3 has value 2 and number 6 has value 64.

Two numbers are stored in each register, the first number

(y) in the most significant byte and the second (z) in the least significant.

4.4.3.5

Number of errors

The number of errors that has occurred.

4.4.4 Custom name registers

The custom name registers contains the letters in the custom name that can be programmed to the HMI.

Allowed characters are the alphanumeric characters plus

“-“, “_” and “ “ (space). This means ASCII character 32, 45,

48-57, 65-90, 95, 97-122. If not all 16 characters are needed, the trailing characters should be set to value 32 (space) to keep the layout of the name center aligned.

In each register, two characters are stored. One in the most significant byte and one in the least significant.

Example: To set the custom name to “Example” the registers should be set as follows



0x4578 (Ex)

0x616D (am)



0x706C (pl)

0x6520 (e )

Custom name, letter 9 and 10 0x2020 ( )




Using modpoll (see 5.2 Example of reading with modpoll below) the command is: modpoll -m rtu -a 247 -0 -r 400 COM1 0x4578 0x616D 0x706C 0x6520 0x2020 0x2020 0x2020 0x2020

4.4.4.1

Custom name, letter x and y

Letter x is stored in the most significant byte, letter y in the least significant byte.

4.4.5 Installed modules

This register contains a bit field that reflects which modules are installed and detected on the Arc Guard

System™ TVOC-2.

A high bit signals an installed module.

Bit 15

-

14

-

13

-

12

-

11

-

10

-

9

-

8

-

Example: the value 0x000E shows a system that contains an internal HMI and extension modules X2 and X3.

7

-

6

-

5

CSU22

4

CSU21

3

X3

2

X2

1

External

HMI

0

Internal

HMI

4.4.6 Dip switches

This registers contains the status of the dip switches on the Arc Monitor in its least significant byte.

Bit

Dip switch

15

-

14

-

13

-

12

-

11

-

10

-

9

-

Example: the value 0x0004 indicates that dip switch 3,

TripMatrix 4, is On and all others are Off.

8

-

4.4.7 Version information

Software (SW) and CPLD versions are specified with three numbers XX.YY.ZZ. Each version is presented using two

Modbus registers, one for the first two numbers and one for the last.

4.4.7.1

Arc Monitor SW version XXYY

This registers contains the first number of the version in the most significant byte and the second number of the version in the least significant byte.

Example: If the Arc Monitor software version is 00.03.43 this register has value 0x0003.

4.4.7.2

Arc Monitor SW version ZZ

This registers contains the third number of the version in the least significant byte.

Example: If the Arc Monitor software version is 00.03.43 this register has value 0x002B.

4.4.7.3

Arc Monitor HW version

This register contains the Arc Monitor hardware version in the least significant byte.

4.4.7.4

Arc Monitor CPLD version XXYY

This registers contains the first number of the version in the most significant byte and the second number of the version in the least significant byte.

Example: If the Arc Monitor CPLD version is 00.02.01 this register has value 0x0002.

4.4.7.5

Arc Monitor CPLD version ZZ

This registers contains the third number of the version in the least significant byte.

Example: If the Arc Monitor software version is 00.02.01 this register has value 0x0001.

4.4.7.6

Arc Monitor ID, byte x

The ID number is presented using 5 bytes.

Each register contains one byte in the least significant byte.

7

-

6

-

5

CSU22

4

CSU21

3

X3

2

X2

1

External

HMI

0

Internal

HMI

The first part of the ID number is static, it is always

“1S16010”.

Then byte 4, 3 and 2 follows in decimal format with 2 digits for each number.

Finally a 16-bit word constructed from byte 1 as most significant and byte 0 as least significant is added as a 4 digit decimal number (byte 1 << 8 | byte 0).

Example: If the Arc Monitor ID registers contains the following values:

Arc Monitor ID, byte 0





HMI SW version XXYY

0x00D9

0x0007

0x0012 (18)

0x000E (14)

0x0048 (72)

The HMI is the HMI that is queried on the Modbus network.

See 4.4.7.1 Arc Monitor SW version XXYY above.

4.4.7.7

HMI SW version ZZ

See 4.4.7.2 Arc Monitor SW version ZZ above.

4.4.7.8

HMI HW version

See 4.4.7.3 Arc Monitor HW version above.

4.4.7.9

HMI ID, byte x

See 4.4.7.6 Arc Monitor ID, byte x above.

4.4.7.10

Other HMI SW version XXYY

Other HMI is the HMI that is not queried on the Modbus network.

See 4.4.7.1 Arc Monitor SW version XXYY above.

4.4.7.11

Other HMI SW version ZZ

See 4.4.7.2 Arc Monitor SW version ZZ above.

4.4.7.12

Other HMI HW version


4.4.7.13

Other HMI ID, byte x


4.4.7.14

X2 HW version


4.4.7.15

X2 CPLD version XXYY

See 4.4.7.4 Arc Monitor CPLD version XXYY above.

This corresponds to ID

1S16010 72 14

0x48 0x0E

18 2009

0x12 0x07D9

29

4.4.7.16

X2 CPLD version ZZ

See 4.4.7.5 Arc Monitor CPLD version ZZ above.

4.4.7.17

X2 ID, byte x


4.4.7.18

X3 HW version


4.4.7.19

X3 CPLD version XXYY

See 4.4.7.4 Arc Monitor CPLD version XXYY above.

4.4.7.20

X3 CPLD version ZZ

See 4.4.7.5 Arc Monitor CPLD version ZZ above.

4.4.7.21

X3 ID, byte x


4.4.8 Reset

Write value 1 to this register to reset currently active trip, if any.

4.4.9 System date

Read or update the system date. The date is stored in the

Arc Monitor so if updated it will take up to 2 seconds for the change to reflect in the HMI.

The date is expressed as number of days since January 1,

1970.


October 4, 2016.

4.4.10 System time HHMM

Read or update the system time. The time is stored in the

Arc Monitor so if updated it will take up to 2 seconds for the change to reflect in the HMI.

The time is expressed in 24h format as a 16 bit value where the most significant byte contains the hours and the least significant the minutes.


4.4.11 Modbus failure register

This register contains the PDU Address of the Modbus register that was involved in the last Modbus exception.

Example: if one attempts to read System date and System time HHMM (PDU addresses 1100, 1101) but accidently specifies 3 registers instead of 2, one will get an Illegal

Data Address exception as response since also address

1102 will be queried. The Modbus failure register will contain value 0x044E (1102).

31

4.4.12 System state

This register contains a 4-bit bit field that reflects the system state.

Bit 15

-

14

-

13

-

12

-

11

-

10

-

9

-

8

-

7

-

6

-

5

-

4

-

3

Diagnostics running

2

System start sequence

1

There is an active error

0

There is an active trip

4.4.13 Diagnostic Trouble Code, number x

These registers contain the same data as Diagnostics error

DTC number x and y but with only one byte per register.

It might be easier to retrieve the information this way.

See 4.4.3.4 Error x DTC, number y and z above for more information.


—

5 Troubleshooting

34

34

5.1 Visual diagnostics

5.2 Example of reading with modpoll

33

5.1 Visual diagnostics

The yellow Com LED flashes when a Modbus request is received.

5.2 Example of reading with modpoll

Using the application modpoll [3] from a windows environment, it is easy to query the Arc Guard System™

TVOC-2.

The following command is an example of how the TVOC-2 status can be read:

C:\Windows\System32>REM This connects to a slave with Modbus id 247 on COM1

C:\Windows\System32>modpoll -m rtu -0 -a 247 -r 1300 COM1

RTU protocol, pdu addressing, Modbus id, register, com_port modpoll 3.4 - FieldTalk(tm) Modbus(R) Master Simulator

Copyright (c) 2002-2013 proconX Pty Ltd

Visit http://www.modbusdriver.com

for Modbus libraries and tools.

Protocol configuration: Modbus RTU

Slave configuration...: address = 247, start reference = 1300 (PDU), count = 1

Communication.........: COM35, 19200, 8, 1, even, t/o 1.00 s, poll rate 1000 ms

Data type.............: 16-bit register, output (holding) register table

-- Polling slave... (Ctrl-C to stop)

[1300]: 0

-- Polling slave... (Ctrl-C to stop)

[1300]: 0


—

6 Index

Symbols

2-Wire Topology

A application modpoll

Arc Monitor CPLD version ZZ

Arc Monitor HW version

Arc Monitor ID, byte x

Arc Monitor SW version XXYY

Arc Monitor SW version ZZ

ASCII

Available registers

B

Bias resistors

C communication parameters

Configuration via HMI

CPLD

Custom name, letter x and y

Custom name registers

D

Diagnostics

Diagnostics information diagnostic trouble code (DTC)

Diagnostic Trouble Code, number x

Dip switches

DTC

E

Error information

Error x date

Error x DTC, number y and z

Error x time HHMM

Error x time SS

Example of reading with modpoll

G

Gateways

H

HMI SW version XXYY

HMI SW version ZZ

I

Implementation class

Installed modules

Introduction

11

32

26

26

27

26

26

25

19

11

14

14

26

25

25

24

24

25

29

26

25

24

24

25

24

24

32

11

27

27

18

25

7

L

Last performed diagnostics date

Last performed diagnostics time HHMM

M

Modbus

Modbus cables

Modbus connector

Modbus failure register

Modbus functions

Modbus id

Modbus installation

Modbus masters

Modbus registers

N

Number of errors

Number of trips

O

Original instruction

P

PDU Address

Perform diagnostics pin configuration

Pull-up / pull-down resistors

Q

Quick start-up

R

Read Registers

Read this first

Register data format

Repeaters

Reset

Revision

RS485

S

4,725 mm

System date

System state

System time HHMM

29

24

10

11

7

25

23

2

28

34

10

18

3

23

11

3

28

29

28

24

24

7, 10

10

10

29

18

14

11

11

19

T

Termination

Termination resistors

Transceiver

Trip information

Trip x date

Trip x detector

Trip x detector, high

Trip x detector, low

Trip x time HHMM

Trip x time SS

TVOC-2-COM

V

Version information

Visual diagnostics

W

Warning and safety

Write Registers

26

32

3

19

10

23

11

11

23

23

23

23

23

23

7

37


—

Notes


—

Notes


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Electrification Products Division

Low Voltage Products and Systems

Protection & Connection

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You can find the address of your local sales organisation on the ABB home page.

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