Instruction manual

Index
025-9209 75
analog input definition, 18
digital input definition, 15
digital output definition, 17
fail safe set up, 12
main, 10
main, RTU with MODBUS option, 29
MODBUS, 26, 29
store and forward, 13
MODBUS, 2, 3, 23
autopoll, 26
basic I/O addressing, 30
comunications, 24
configuring 1700, 26
configuring 1708/1716, 28
master requirements, 25
menu for 1700, 26
menu for 1708/1716, 29
polled-only system, 24, 26
report-by-exception system, 24, 27
RTU status storage, 26
signal values, 31
software products supporting, 36
using accumulators & counters, 31
MODBUS RTU protocol, 25
model 1708/1716, 3, 23
momentary mode, 17
N
N/C input, 16
next input, 16, 19
next output, 17
next slot, 14
O
operation, general overview, 7
operational limits,20
optional I/O connector board, 45
output behavoir
power off state, 20
power up state, 20
RS-232 active, 20
unit over voltage, 20
output on, 17
P
polled-only system, 24, 26
power connections, 37
power up self-test, 21
prekey time, 10
preset
multiple registers, 23
single register, 23
programming
MODBUS, 26, 29
PTT jumpers, 39
push-to-talk, 21
R
radio connections, 38
carrier detect, 21
push-to-talk, 21
transmit request, 21
radio problems, 22
read
coil status, 23
holding registers, 23
input registers, 23
input status, 23
receive audio adjustment, 39
remote terminal unit (RTU), 1
replacement destination address, 14
replacement source address, 14
report-by-exception system, 24, 27
RS-232 failure, 22
RS232 watchdog menu
timeout period, 28
RTU
addressing, 8
analog input definition menu, 18
configuring, 9
digital input definition menu, 15
digital output definition menu:, 17
fail safe set up menu, 12
main menu, 10
main menu for MODBUS option, 29
store and forward menu, 13
RTU main PCB silkscreen
1708, 55