Serial Data Communication For Modbus (5); Other Main Components On The Circuit Board; Battery(6); Jumper(7) - Xylem MJK Chatter Hardware Installation User Manual

Serial Data Communication for Modbus (5)

ChatterisequippedwithRS-485serialdatacommunications .Seeposition
"5"inFigure2 .
RS-485 Serial Data Communication for Modbus

Other Main Components on the Circuit Board

Battery(6)
ThebatteryislocatedontopoftheChatterPCB(seeFigure3) .Connec-
tionisthroughaconnectorplacedinthemiddleofthecircuitboard("Bat-
tery",redandblackwires) .
PleasenotethatthebatterycanbereplacedwithoutfirstsettingtheChat-
terunitin"OFF"position .
Seesection6. Gain Access to SIM Card and Batteryandsection7.
Internal Installation in the Chatter
ingthebattery .
Jumper (7)
Ajumperisplacedrightbelowthebatterywithtwopositions:ONand
OFF .InONpositiontheChatterincl .pressuretransmitterispowered(acti-
vated),andinOFFpositionitisdisconnected(switchedoff) .
Booster Capacitor (8)
Theboostercapacitordeliverscurrentduringdatatransmissions .
SIM Card (9)
TheSIMcardfacilitatecommunicationviatheGSM/GPRSnetwork .
Seealsotheprocedureforinserting/changingtheSIMcardinsection
7. Internal Installation in the Chatter
EN 6.10 Chatter Hardware Manual 1511
Data Logger
Terminal
A(RS485)
B(RS485)
GND(RS485)
GND
Table7 .RS-485SerialDataCommunication
Designation/function
SignalA
SignalB
Ground
Ground
Unitforgainingaccesstoandchang-
Unitonpage25 .
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