2-2
Back Panel DIP Switch
The DIP switch on the back panel sets the operating conditions of the Unit. All
pins are OFF at the time of delivery.
*2 *3 *4
Not used.
(Must be OFF.)
Not used
(Must be OFF.)
*1
*1. PC Data Transfer
2
Function
OFF
Data transfer between the PC and this Unit is the same as
that for a standard 16-point I/O Unit.
ON
Data transfer between the PC and this Unit is carried out
automatically via the I/O WRITE and I/O READ
(WRIT(87)/READ(88)) instructions.
*2. High-speed Inputs 1
3
Function
OFF
Sets external input bits 0200 to 0203 for standard inputs.
ON
Sets external input bits 0200 to 0203 for high-speed
inputs. A pulse width of 0.5 ms or longer can be received.
*3. High-speed Inputs 2
4
Function
OFF
Sets external input bits 0204 to 0207 for standard inputs.
ON
Sets external input bits 0204 to 0207 for high-speed
inputs. A pulse width of 0.5 ms or longer can be received.
*4. Independent Operation/Linked Operation
5
Function
OFF
Operates in the same mode as the PC when the PC is in
RUN or PROGRAM mode, but won’t enter MONITOR
mode. The Unit will be in RUN mode if the PC is in
MONITOR mode. Front panel switches 4 and 5 are
disabled.
ON
Operating mode switched independently of PC operating
mode. Switches 4 and 5 (front panel) determine operating
mode.
Note
1. Refer to
Section 3 Data Areas
for information about PC data transfer.
2. Refer to
Section 5 Program Execution Timing
for information about
high-speed inputs 1 and 2.
3. Refer to S
ection 4 Programming
and
Appendix C Programming Instructions
for information about linked operation with the PC.
Caution If power is applied to the PC when pin 5 is OFF and the PC is set for RUN or
MONITOR mode, the Ladder Program I/O Unit will automatically switch to RUN
mode. If the Unit is communicating with the GPC , FIT, or LSS it will switch to
RUN mode when the operation is completed.
! "
Section 2-2
Summary of Contents for C500-LDP01-V1
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