Delta Tau PMAC2 Manual de usuario descargar pdf (Pagina 20)

Turbo PMAC2 VME Ultralite

16 Connector Pinouts

J5A: RS422 Serial Port Connector

J5A/JRS422 (26-Pin Header)

Front View

Pin # Symbol Function Description Notes

1 CHASSI Common PMAC Common

2 S+5V Output +5Vdc Supply Deactivated by E8

3 RD- Input Receive Data Diff. I/O low True **

4 RD+ Input Receive Data Diff. I/O high True *

5 SD- Output Send Data Diff. I/O low True **

6 SD+ Output Send Data Diff. I/O high True *

7 CS+ Input Clear to Send Diff. I/O high True **

8 CS- Input Clear to Send Diff. I/O low True *

9 RS+ Output Request to Send Diff. I/O high True **

10 RS- Output Request to Send Diff. I/O low True *

11 DTR Bidirect Data Terminal Ready Tied to DSR

12 INIT/ Input PMAC Reset Low is Reset

13 GND Common PMAC Common **

14 DSR Bidirect Data Set Ready Tied to DTR

15 SDIO- Bidirect Special Data Diff. I/O low True

16 SDIO+ Bidirect Special Data Diff. I/O high True

17 SCIO- Bidirect Special Control Diff. I/O low True

18 SCIO+ Bidirect Special Control Diff. I/O high True

19 SCK- Bidirect Special Clock Diff. I/O low True

20 SCK+ Bidirect Special Clock Diff. I/O high True

21 SERVO- Bidirect Servo Clock Diff. I/O low True ***

22 SERVO+ Bidirect Servo Clock Diff. I/O high True ***

23 PHASE- Bidirect Phase Clock Diff. I/O low True ***

24 PHASE+ Bidirect Phase Clock Diff. I/O high True ***

25 GND Common PMAC Common

26 +5V Output +5VDC Supply Power supply out

The JRS422 connector provides the PMAC with the ability to communicate both in RS422 and RS232.

In addition, this connector is used to daisy chain interconnect multiple PMACs for synchronized

operation.

Jumpers E17 and E18 must connect pins 2 and 3 to use this port for serial communications.

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Delta Tau PMAC2 Manual de usuario Pagina 20