Contents
ii
LED Control.........................................................................................................................................13
System Software Downloading ............................................................................................................13
CPU Reset............................................................................................................................................13
LED DISPLAY INDICATIONS........................................................................................................ 14
CPU Page LED Functions...................................................................................................................14
IO1 Page LED Functions.....................................................................................................................15
IO2 Page LED Functions.....................................................................................................................17
IO3 Page LED Functions.....................................................................................................................18
AO Page LED Functions .....................................................................................................................19
User Page LED Functions...................................................................................................................20
I/OS (ALL MODELS).................................................................................................................... 22
Wetting switch connection (x2)............................................................................................................22
DO Magnetic Relay connection (x4) ...................................................................................................23
DO Open Collector (x4).......................................................................................................................23
DI (x12)................................................................................................................................................24
ADDITIONAL I/OS (EXPANDED I/O MODELS ONLY) .................................................................... 25
AI (x4) ..................................................................................................................................................25
AO (x1).................................................................................................................................................26
DI (x3)..................................................................................................................................................27
Pin Assignment - Main Board TBs ......................................................................................................28
Pin Assignment - Expansion Board TBs ..............................................................................................29
BACKUP BATTERY ...................................................................................................................... 29
POWER SUPPLY ........................................................................................................................... 30
POWER MANAGEMENT......................................................................................................... 31
OVERVIEW .................................................................................................................................. 31
RUN MODE ................................................................................................................................. 31
SLEEP MODE ............................................................................................................................... 32
WAKEUP EVENTS........................................................................................................................ 33
ETHERNET INTERFACE OPTION ....................................................................................... 34
O
VERVIEW .................................................................................................................................. 34
EXTERNAL ETHERNET INTERFACE UNIT...................................................................................... 34
INSTALLATION............................................................................................................................. 35
Connections .........................................................................................................................................35
APPENDIX A: CABLES AND ADAPTERS ............................................................................ 36
GENERAL .................................................................................................................................... 36
RTU-
TO-COMPUTER/TERMINAL CONNECTIONS.......................................................................... 36
RTU-TO-MODEM CONNECTIONS ................................................................................................37
RTU-to-Modem Asynchronous Connection .........................................................................................37
RTU-TO-RTU CONNECTION....................................................................................................... 38
RTU-to-RTU Asynchronous Communications Connection .................................................................38