User's Manual

Chapter Five Specifications
man_905_2.1.doc Page 43
Typical distance 1km
Data transmission On change-of-state
+ integrity update
Update time configurable
Protocol - serial
- radio
asynchronous ARQ, with 16
bit CRC
synchronous ARQ
Automatic acknowledgments with up
to 4 retries
Communications fail status May be mapped to local or
remote output
Resetting of outputs on comms fail
configurable
Inputs and Outputs
Digital Inputs
-1 Four
105-2 Four
105-3 None
Opto-isolated (5000V)inputs, suitable
for voltage free contacts or NPN
transistor, contact wetting current
5mA, input debounce 0.5 second
Digital Outputs 105-1 Four
Relay output contacts, normally open,
AC1 5A 250V
AC3 2A 250V, 5A 120V
DC1 5A 30V, 5A 20V
DC3 2A 30V, 5A 20V
Digital Outputs
105-2 One
105-3 Eight
FET output, 30 VDC 500mA max.
Pulse Inputs
105-1 One
105-2 Four
105-3 None
Uses DI1. Max rate 100Hz, min. off-
time 5msec.
Uses DI1-4. Max rate of DI1 is
1000Hz, min. off-time 0.5msec
Max rate of DI2-4 is 100Hz, min.
off-time 5msec.
Pulse Output 105-1 One
105-2 None
105-3 Four
FET output, 30 VDC 500mA max
Max rate for 105-1 is100 Hz. Max
rate for 105-3 is 1000 Hz. Pulse signal
recreated, pulse rate avail. on
analogue output, (scaling
configurable).
Divide-by-10 available for 1000Hz
inputs.
Analogue Inputs 105-1 Two 4-20 mA
105-2 Six 0-20mA
“floating” differential input, common
mode voltage -0.5V to 27V. 24 VDC
for powering external loops provided,
150 mA max. Resolution 15 bit,