3-1
IR (Internal Relay) Area
Data
Word/bit address
16 bits (0000 to 0015)
Output bits as seen from the PC
IR 00
Input bits as seen from the Unit.
Cannot be used as work bits. The use of these bits depends on
the setting of pin 2 of the back panel DIP switch. Refer to
following subsections for details.
00
08
01
09
02
10
03
11
04
12
05
13
06
14
07
15
16 bits (0100 to 0115)
Input bits as seen from the PC
IR 01
Output bits as seen from the Unit.
Cannot be used as work bits. The use of these bits depends on
the setting of pin 2 of the back panel DIP switch. Refer to
following subsections for details.
00
08
01
09
02
10
03
11
04
12
05
13
06
14
07
15
16 external input bits
(0200 to 0215)
IR 02
Bits 0200 to 0207 can be set for high-speed inputs.
Cannot be used as work bits.
00
08
01
09
02
10
03
11
04
12
05
13
06
14
07
15
16 external output bits
(0300 to 0315)
IR 03
Cannot be used as work bits.
00
08
01
09
02
10
03
11
04
12
05
13
06
14
07
15
"# $" #% &
Section 3-1
Summary of Contents for C500-LDP01-V1
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