Omron V022-E3-1 operation manual Appendix E, NT-AL001 RS-422Aterminal block specifications, Wiring

.￿￿￿￿￿￿￿￿.￿(￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿$￿0&￿￿￿ Appendix E

NT-AL001 RS-422A terminal block specifications

Connected terminal block: RS-422A terminal block (M3 screws)

Electrical characteristics: Conform to EIA RS-422A

Signal direction: Signal input and output is relative to the NT-AL001.

Terminal Block	Signal Name	Abbreviation	Signal Direction
Pin No.			Input	Output
8	Request to send (--)	CSA
7	Request to send (+)	CSB		￿
6	Receive data (--)	RDA
5	Receive data (+)	RDB	￿
4	Send data (--)	SDA
3	Send data (+)	SDB		￿
2	Signal ground	SG (GND)	--	--
1	Functional ground	FG	--	--

Note The CSB and CSA signals are for special applications.

Wiring

[For NT600S-ST211(B)-V￿]

NT600S

RS-232C

Abbrev. Pin No.

	1
SD	2
RD	3
RS-232C RS	4
interface	5
CS
+5V	6
--	7
--	8
SG	9
(9-pin)	Shielding
	wire

NT-AL001

Pin No.	Abbrev.	Abbrev.	Terminal
			No.

1	FG		FG	1
2	SD		SG	2
3	RD	RS-422A	SDB	3

4RS RS-232C interface SDA 4 interface

5	CS		RDB	5
6	+5V		RDA	6
7			CSB	7
8			CSA	8
9	SG	Terminal block
	(9-pin)

Host

RS-422A

Signal Name

Ground for safety

Signal ground

Receive data (+)

RS-422A

Receive data (--) interface

Send data (+)

Send data (--)

Request to send (+)

*

Request to send (--)

*

Shielding wire

[For NT600S-ST121(B)-V￿]

NT600S

Abbrev. Pin No.

		1
	SD	2
	RD	3
RS-232C RS		4
interface
	CS	5
	+5V	6
	--	7
--		8
	SG	9
	(9-pin)

RS-232C

+5V (150mA)

Shielding wire

NT-AL001

Pin No.	Abbrev.	Abbrev.	Terminal
			No.

1	FG		FG	1
2	SD		SG	2
3	RD	RS-422A	SDB	3

4RS RS-232C interface SDA 4 interface

5	CS		RDB	5
6	+5V		RDA	6
7			CSB	7
8			CSA	8
9	SG	Terminal block
	(9-pin)

Host

RS-422A

Signal Name

Ground for safety

Signal ground

Receive data (+)

RS-422A

Receive data (--) interface

Send data (+)

Send data (--)

Request to send (+)

*

Request to send (--)

*

Shielding wire

(*) CSB and CSA are connected when the NT600S requires RS/CS control for the host control method.

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