DS2/DS4 Hardware Manual
5.6
AIM104 – IN16
The AIM104-IN16 board provides up to 16 opto-isolated digital inputs. Jumper options are included for each
digital input to select a 10ms input debounce filter.
5.6.1
Board Specification
Power Consumption
Number of Inputs
Switching Voltage Range
Maximum Input Frequency
Isolation
Protection
5.6.2
AIM104-IN16 Link Settings
Link settings on the AIM104-IN16 determine where the board's I/O will appear in memory. If more than one
AIM104-IN16 board is used, the first AIM104-IN16 in a Director should be addressed at Board #1, and the
second as Board #2.
Board Fitted
Board #1
Board #2
Input Filter Selection
Each opto-isolated input channel can be set to include an input filter to reduce input errors caused by switch
contact bounce by setting LK 19 and 20 where
•
Channel 0 - 7 is LK20 A – H
Channel 8 – 15 is LK19 A - H
•
Common Positive Input Selection
The positive side of each channel can connected to the positive side of the common isolated supply by
inserting the following links. This reduces the number of wire connections, since only one side (-ve) requires
an external connection. To switch ON the input, the –ve input terminal should be switched to the isolated 0V:
•
Channels 0 - 15 are Links LK18 to LK3, respectively
0.5 Watts, excluding loop power
16 opto-isolated digital inputs
10 V to 30 V
50 Hz with debounce filter enabled
10 KHz with debounce filter disabled
1500 V to field
100 V between adjacent channels
Reverse protection diodes
PC/104 Base Address
320 H
324 H
LK1 Jumpers Installed
A2 , A3 , A4 , A6 , A7
A3 , A4, A6 , A7
Page 32
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