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1-4
Communications Method
Section 1-1
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Converter Example: RS-232C/RS-485 Converter
RS-232C
• Use terminals B1 through B3 to communicate with the host.
• Wiring is configured 1:1.
• The maximum cable length is 15 m. Use OMRON’s Z3RN RS-232C Opti-
cal Interface to extend the wiring path.
• Use shielded, twisted-pair wires of at least AWG28 to AWG16 for all
cables. (Same wire used for RS-485 cable.)
+
RS-232C
B1 or B3
(B)
(A)
B2 or B4
B1 or B3
B2 or B4
(B)
(A)
-
B1 or B3
B2 or B4
(B)
(A)
K32-23209
Adapter
K3SC-10
RS-232C/RS485
Converter
100- to 125-
Ω
Terminator
(1/2 W)
K3HB
(No. 1)
100- to 125-
Ω
Terminator
(1/2 W)
K3-HB
(No. 31)
D-sub, 9-pin
(Straight)
K3HB
(No. 0)
A
B
C
D
E
1
1
2
2
3
3
4
4
5
5
6
6
B
SD
RD
RS-232C
SG
RS-232C
9-pin
---
FG
3
SD
2
RD
7
RS
8
CS
6
DR
4
ER
5
SG
No.
1
SD
2
RD
3
SG
RS-232C
RS-232C
K3HB
Host computer
Shield
25-pin
1
2
3
4
5
6
20
7
Содержание K3HB
Страница 2: ...K3HB Digital Indicators Communications User s Manual Revised March 2005...
Страница 3: ...iv...
Страница 15: ...xvi...
Страница 19: ...xx...
Страница 21: ...Part 1 CompoWay F...
Страница 69: ...Part 2 DeviceNet...
Страница 95: ...6 10 Ladder Programming Examples Section 4 3 Remote I O Com munications...
Страница 103: ...7 8 Explicit Messages Specific to DeviceNet compatible Digital Indicators Section 5 3 Explicit Message Communications...
Страница 111: ...8 8 Message Communications Performance Section 6 2 Communications Performance...
Страница 127: ...Part 3 BCD Output...
Страница 147: ......