Contents
ii
LED Control.........................................................................................................................................13
System Software Downloading ............................................................................................................13
CPU Reset............................................................................................................................................13
LED D
ISPLAY
I
NDICATIONS
........................................................................................................ 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/O
S
(A
LL
M
ODELS
).................................................................................................................... 22
Wetting switch connection (x2)............................................................................................................22
DO Magnetic Relay connection (x4) ...................................................................................................23
DO Open Collector (x4).......................................................................................................................23
DI (x12)................................................................................................................................................24
A
DDITIONAL
I/O
S
(E
XPANDED
I/O M
ODELS ONLY
) .................................................................... 25
AI (x4) ..................................................................................................................................................25
AO (x1).................................................................................................................................................26
DI (x3)..................................................................................................................................................27
Pin Assignment - Main Board TBs ......................................................................................................28
Pin Assignment - Expansion Board TBs ..............................................................................................29
B
ACKUP
B
ATTERY
...................................................................................................................... 29
P
OWER
S
UPPLY
........................................................................................................................... 30
POWER MANAGEMENT......................................................................................................... 31
O
VERVIEW
.................................................................................................................................. 31
R
UN
M
ODE
................................................................................................................................. 31
S
LEEP
M
ODE
............................................................................................................................... 32
W
AKEUP
E
VENTS
........................................................................................................................ 33
ETHERNET INTERFACE OPTION ....................................................................................... 34
O
VERVIEW
.................................................................................................................................. 34
E
XTERNAL
E
THERNET
I
NTERFACE
U
NIT
...................................................................................... 34
I
NSTALLATION
............................................................................................................................. 35
Connections .........................................................................................................................................35
APPENDIX A: CABLES AND ADAPTERS............................................................................ 36
G
ENERAL
.................................................................................................................................... 36
RTU-
TO
-C
OMPUTER
/T
ERMINAL
C
ONNECTIONS
.......................................................................... 36
RTU-
TO
-M
ODEM
C
ONNECTIONS
................................................................................................ 37
RTU-to-Modem Asynchronous Connection .........................................................................................37
RTU-
TO
-RTU C
ONNECTION
....................................................................................................... 38
RTU-to-RTU Asynchronous Communications Connection .................................................................38
