3–19
INSTALLATION
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Fife-200 Web Guiding System
MI 1-918 1 C
Digital
inputs/outputs
There are three digital inputs and one output available per
guide for remote control and signaling functions. The digital
inputs allow control of the following modes for each guide:
External Lock, Automatic and Manual. The digital output is
initially configured as an alarm for Loss of Null for each guide.
See Table 3 and Table 4 for the default configurations.
Refer to Figure 14 and Figure 15 for the controller connections
and the parallel I/O cable drawing 220601.
Note: To ensure that a command is properly executed, all
pertinent inputs for each command must be switched high or
low within 20 ms of each other and maintained for at least
30 ms.
Table 3. Digital input matrix default configuration for each guide.
0 =
1 =
- =
LOW
HIGH
IGNORE
INPUTS
MODE
2
1
0
EXTERNAL LOCK
-
-
1
MANUAL
-
1
-
AUTO
1
-
-
WARNING – Death or injury can result from unexpected
movement.
Switching to Auto mode can cause unexpected movement of
the guide.
Table 4. Digital output matrix default configuration for each guide.
1 =
- =
ACTIVE
IGNORE
OUTPUT*
STATUS
A
LOSS OF NULL (AUTOMATIC MODE)
1
* Digital outputs are active low
Содержание Fife-200
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