Digital Electronics Corporation ST Series, Руководство по установке

Страница: 8 / 16

E-8
„ „
„ „
„ ST400-AG41-24V
‹ ‹ ‹ ‹ ‹ Serial Interface
RS-422 Interface (X)
Recommended Connector : Dsub 9 pin socket-type XM2D-0901 <made by OMRON Corp.>
Recommended Cover : Dsub 9 pin cover XM2S-0913 <made by OMRON Corp.>
• Use inch-type screws (#4-40UNC) as set screws.
• This unit is not equipped internally with termination resistance. Attach termina-
tion resistance to the cable.
„ „ „ „ „ ST401-AG41-24V
‹ ‹ ‹ ‹ ‹ Serial Interface
RS-232C Interface (Y)
Recommended Connector : Dsub 9 pin socket-type XM2D-0901 <made by OMRON Corp.>
Recommended Cover : Dsub 9 pin cover XM2S-0913 <made by OMRON Corp.>
• Use inch-type screws (#4-40UNC) as set screws.
3 Interfaces
5
9
1
6
5
9
1
6
Pin Connection Pin No. Signal Signal Name Direction
1 CD Carrier detect Input
2 RD Receive data Input
3 SD Send data Output
4 ER Enable receive Output
5 SG Ground -
6 DR Data set ready Input
7 RS Request send Output
8 CS Clear send Input
9 RI Ring indicate Input
Pin Connection Pin No. Signal Signal Name Direction
1 RDA Receive data A Input
2 RDB Receive data B Input
3 SDA Send data A Output
4 ERA Enable receive A Output
5 SG Ground -
6 CSB Clear send B Input
7 SDB Send data B Output
8 CSA Clear send A Input
9 ERB Enable receive B Output