Campbell-scientific AL200 ALERT2 Encoder, Modulator, and Sensor Interf Manual do Utilizador descarregar pdf (Página 25)

Appendix B. Cables and Connector Pin

Descriptions

B.1 CS I/O

CS I/O is an interface unique to Campbell Scientific products. CS I/O uses

TTL signaling. CS I/O devices are connected using a 9-pin, straight-through,

male to female cable with all 9 pins connected. Use of the supplied SC12 cable

(pn 16675) is recommended.

TABLE B-1. CS I/O Pin Description

Pin Datalogger Function, DB9 Female AL200 Function, DB9 Male

1 5 VDC N/C

2 SIGNAL GND SIGNAL GND

3 RING RING

4 RXD TXD

5 ME ME

6 SDE SDE

7 CLK/HS CLK/HS

8 12 VDC N/C

9 TXD RXD

B.2 RS-232

RS-232 is used for asynchronous serial communication. It is a standard

EIA/TIA-232 DB9 socket female DCE interface. A DB9 male to male null

modem cable (pn 18663) is used to connect the AL200 to a Campbell

Scientific datalogger’s RS-232 port.

TABLE B-2. RS-232 Pin Description

Pin AL200 Function, DCE, DB9 Female

N/C

2 TXD

RXD

4 N/C

SIGNAL GND

6 N/C

CTS

8 RTS

N/C

B-1

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Campbell-scientific AL200 ALERT2 Encoder, Modulator, and Sensor Interf Manual do Utilizador Página 25