Iskra MC330 - Profibus (MC330, MC350 and MC350 H Only); Survey of Communication Connection; Connection of Power Supply

CONNECTION

Measuringcentres
–
MC320,MC330,MC350&MC350H ‐ User’sManua
l
1
9

Surveyofcommunicationconnection
 Connector Terminals Position Datadirection Description
RS232 Screwterminal

21 From Datareception(Rx)
22 − Grounding( )
23 To Datatransmission(Tx)
RS485 Screwterminal

21 To/From A
22 − Donotconnect!
23 To/From B
M‐Bus Screwterminal

21 To/From M+
22 − NC
23 To/From M‐
USB USBtypeB

StandardUSB2.0compatiblecablerecommended
(standardBtypeplug)
Profibus
D‐SUB
9pin
8
–
A Aline ProfibusA
–
RS485line
3
–
B Bline ProfibusB
–
RS485line
6–5V 5V
5VPowerSupplyfor
ProfibusLinetermination
5
–
GND GND GND
4
–
RTS RTS Requesttosend
ServiceUSB Mini‐Btype

StandardUSB2.0compatiblecablerecommended(mini‐
Btypeplug)
Connectionofpowersupply
Measuringcentrehasadaptablepowersupply.ItenablesconnectiontocertainACpowersupplyoruniversal
(AC/DC)powersupply.Powersupplyvoltagedependsonorderedvoltage.Informationonelectricconsumption
isgiveninchapterTechnicaldataonpage47.

5 Regarding power supply voltage specification on the label choose and connect the power supply
voltage:

Connectionofuniversalpowersupplytoterminals13and14.

ExampleforMC350!

ConnectionofACpowersupplytoterminals13and14.

ExampleforMC350!