Iskra MC320 User Manual

APPENDIXB:DNP3COMMUNICATIONPROTOCOL
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Measuringcentres
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MC320,MC330,MC350&MC350H ‐ User’sManua
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APPENDIXB:DNP3
COMMUNICATIONPROTOCOL
DNP3communicationprotocol
ModbusandDNP3protocolareenabledviaRS232orRS485orUSBcommunicationport.Theresponseisthe
sametypeastherequest.
DNP3
DNP3protocolenablesoperationofdeviceonDNP3networks.FordevicewithserialcommunicationtheDNP3
protocolenablespointtopoint(forexampleDevicetoPC)communicationviaRS232communicationandmulti
dropcommunicationviaRS485communication.
Object Request Response
Object
Number
Variation
Number
Description
Function
Codes
(dec)
Qualifier
Codes(hex)
Function
Codes(dec)
Qualifier
Codes(hex)
0 242 DeviceAttributes‐softwareversion 1 00 129 00,17
0 243 DeviceAttributes–hardwareversion 1 00 129 00,17
0 246 DeviceAttributes–userassignedID 1 00 129 00,17
0 248 DeviceAttributes–serialnumber 1 00 129 00,17
0 250 DeviceAttributes–productname 1 00 129 00,17
0 252 DeviceAttributes–manufacturename 1 00 129 00,17
0 254
DeviceAttributes–nonspecificall
attributesrequest
1 00,06  
0 255
DeviceAttributes–listofattribute
variation
1 00,06 129 00,5B

Pointsforobject0
0
Softwareversion T_Str3 Data
var
242 
0
Hardwareversion T_Str2 Data
var
243 
0
userassignedID T_Str2 Data
var
246 
0
serialnumber T_Str8 Data
var
248 
0
productname T_Str16 Data
var
250 
0
manufacturename T_Str20 Data
var
252 

Object Request Response
Object
Number
Variation
Number
Description
Function
Codes
(dec)
Qualifier
Codes(hex)
Function
Codes(dec)
Qualifier
Codes
(hex)
10 0 Binaryoutputstatuswithflag 1 6  
10 2 Binaryoutputstatuswithflag 1 00,01,06 129 00,01

Iskra MC320 Specifications

General

Frequency	50 Hz
Accuracy class	1
Test Voltage	4 kV
Voltage	3 x 230 V / 400 V
Communication	RS485
Standards	IEC 62053-21, IEC 62052-11
Display	LCD