rtd CML24BT cpuModules, Руководство пользователя

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BDM-610000084 Rev B Chapter 3: Connecting the cpuModule 43
9 GND Signal Ground — 5
10 GND Signal Ground — —
Table 20 COM A (RS-422) and COM B (RS-422)
1
1. Dual RS-485 mode with echo uses dual RS-422 mode pinout
Pin Signal Function In/Out DB-9
1 TXD1- COM A- Transmit Data (–) out 1
2 TXD2- COM B - Transmit Data (–) out 6
3 TXD1+ COM A - Transmit Data (+) out 2
4 TXD2+ COM B - Transmit Data (+) out 7
5 RXD1+ COM A - Receive Data (+) in 3
6 RXD2+ COM B - Receive Data (+) in 8
7 RXD1- COM A- Receive Data (–) in 4
8 RXD2- COM B - Receive Data (–) in 9
9 GND Signal Ground — 5
10 GND Signal Ground — —
Table 21 COM A (RS-485) and COM B (RS-485)
Pin Signal Function In/Out DB-9
1 D1- COM A- Data (–) in/out 1
2 D2- COM B - Data (–) in/out 6
3 D1+ COM A - Data (+) in/out 2
4 D2+ COM B - Data (+) in/out 7
5 — Reserved — 3
6 — Reserved — 8
7 — Reserved — 4
8 — Reserved — 9
9 GND Signal Ground — 5
10 GND Signal Ground — —
Table 19 COM A (RS-232) and COM B (RS-232)
Pin Signal Function In/Out DB-9