Connection via junction boxes | Schneider Electric VW3 A3 303

5. Connecting to the bus

5. 4. Connection via junction boxes

1

2

4

3

6

1.Master (PLC, PC or communication module)

2.Modbus cable depending on the type of master (see table)

3.Modbus cable TSX CSAp00

4

4.Subscriber sockets TSX SCA 62

65. Modbus drop cable VW3 A8 306 2

ATV 71

bConnection accessories

Description	Ref.	Catalog
		number
Subscriber socket	4	TSX SCA 62

2female 15-way SUB-D connectors, 2 screw terminals, and an RC line terminator, to be connected using cable VW3 A8 306 or VW3 A8 306 D30

b Connection cables

	Description	Length (m)	Connectors	Ref.	Catalog
					number
	Cables for Modbus bus	3	1 9-way SUB-D connector and	6	VW3 A8 306 2
			1 male 15-way SUB-D connector
			for TSX SCA 62

	RS485 double shielded twisted pair	100	Supplied without connector	3	TSX CSA 100
	cables
	cables	200	Supplied without connector	3	TSX CSA 200
		200	Supplied without connector	3	TSX CSA 200

		500	Supplied without connector	3	TSX CSA 500

12

Image 12

Schneider Electric VW3 A3 303 Connection via junction boxes, Description Catalog Number Subscriber socket, Cables

Contents

Altivar Contents Before you begin Electric shock will result in death or serious injury Installation Manual Documentation structureProgramming Manual Communication Parameters Manual Introduction PresentationNotation Hardware setup Installing the card in the driveReceipt Hardware description Switch coding Choosing polarizationCoding the address Address 1234 Connecting to the bus Wiring recommendationsModbus RS485 standard Connection via RJ45 wiring system Connection accessoriesConnection cables Connection cables for the master Type of master Master interface Description Catalog numberTWD XCA RJ030 TSX SCP CM Connection via junction boxes Description Catalog Number Subscriber socketRS485 double shielded twisted pair Cables TSX CSA500 TSX P ACC Configuration Communication parameters Control Command Control via Modbus in I/O profileControl via Modbus or the terminals in I/O profile Parameter Value Comment Control via Modbus in Drivecom profile Control via Modbus or the terminals in Drivecom profile Configuration Example of configuration via the graphic display terminal Communication scannerRDY NET COM. Scanner Input Communication faults COM. Fault Management CONFIG. COMM. MAP Monitored parametersFormat Format Range Terminal display Diagnostics Checking the addressLEDs Green RUN Red ERR Meaning Corrective action RUN NET Communication MAPCOM. Scanner Input MAP COM Scan Output MAP CMD. Word Image Input variable Scanner parameter Output variable Scanner parameterCOM Scan Output MAP Communication fault Card fault Modbus protocol PrincipleSlave Slave j Slave k RTU mode Ascii modeModes Slave address Function code Data Modbus functions available Read Holding/Input Registers 3/4Code Modbus name Description Broadcast Size of data Write Single Register Diagnostics Get Comm Event Counter 11 = 16#0B Write Multiple Registers 16 = 16#10 Read/Write Multiple Registers 23 = 16#17 Read Device Identification 43 = 16#2B Machine Example of positive response MEI Output variables Logic address Default assignment Input variables Logic address Default assignmentCode Modbus name Description Size of data Input variable address Logic address Default value Parameter Logic ReadParameter Logic Output control Parameter assignedInput monitoring Value Parameter assigned Code Error code Exception responsesResponse Read non-existent or protected parameters Logic address Parameter Value Appendix RS485 standard Modbus 2-wire standard schematic Master Modbus 4-wire standard schematic Uni-Telway schematic Wire Jbus schematic Type of trunk cable Cable with 1 shielded twisted pair Creating a Modbus bus using non-standard equipment Different scenariosRecommendations Calculating the polarization Example RS485 schematic for the card Card connector pinoutContact no. Signal SUB-D Atv71ModbusJbusENV1 2005-05