Xylem MJK Chatter, Hardware Installation User Manual

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USB
TEST
SW
USB
SIM card
ON OFF
Battery
ANT.1
ANT.2 ANT.3
DI 1 DI 2 DI 3 DI 4 AI 1 AI 2 AI 3 AI 4
GND GND
+5/ 10/ 15V
GND 3V6-A GND GND A B GND
3V6-B GND
RS485
1 2
3
4 5
3 .6VDCbattery
MJKorderno .550246
Figure2 . TerminalBlocksforSignalInputs,VoltageOutputsandSerialCommunication
Digital Inputs
(
1
)
Chatter

hasfourdigitalinputseachwithfourfunctionsduringnormaloperation:
 NC (passive) TheinputisnormallyconnectedtoGNDandwillbe
   activated,whentheconnectionisbroken .
 NO (passive) Theinputisnormallyopenandwillbeactivated,whenit
   isconnectedtoGND .
 NC (active)  Theinputisnormallyconnectedtoavoltagebetween2-5V
   andwillbeactivated,whentheconnectionisbroken .
 NO (active)  Theinputisnormallyopenandwillbeactivated,whenitis
   connectedtoavoltagebetweeen2-5V .
Digital Inputs
Terminal Designation/function
DI1 NC/NO,active/passive
DI2 NC/NO,active/passive
DI3 NC/NO,active/passive
DI4 NC/NO,active/passive
GND CommonGNDterminalforDI1-4
Table4 .DigitalInputs
Data Logger
10 EN 6.10 Chatter Hardware Manual 1511