Delta Tau PMAC2 Bedienungsanleitung PDF herunterladen (Seite 30)

Turbo PMAC2 PCI Hardware Reference Manual

26 Baseboard Connector Pinouts

J5A: RS422 Serial Port Connector

JRS422 (26-Pin Connector)

Pin # Symbol Function Description Notes

1 CHASSI Common PMAC common

2 S+5V Output +5Vdc supply

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 Bidirectional Data terminal ready Tied to DSR

12 INIT/ Input PMAC reset Low is reset

13 GND Common PMAC common

14 DSR Bidirectional Data set ready Tied to DDTR

15 SDIO- Bidirectional Special data Diff. I/O low true

16 SDI0+ Bidirectional Special data Diff. I/O high true

17 SCIO- Bidirectional Special control Diff. I/O low true

18 SCIO+ Bidirectional Special control Diff. I/O high true

19 SCK- Bidirectional Special clock Diff. I/O low true

20 SCK+ Bidirectional Special clock Diff. I/O high true

21 SERVO- Bidirectional Servo clock Diff. I/O low true

22 SERVO+ Bidirectional Servo clock Diff. I/O high true

23 PHASE- Bidirectional Phase clock Diff. I/O low true

24 PHASE+ Bidirectional Phase clock Diff. I/O high true

25 GND Common PMAC common

26 +5V Output +5Vdc supply Power supply out

E17 and E18 must connect pins 2 and 3 to use the RS-422 port for serial communications. This connector

could also be used to daisy chain interconnect multiple PMACs for synchronized operation.

J6 (JDISP) Display Connector

Pin # Symbol Function Description Notes

1 VDD Output +5V power Power supply out

2 VSS Common PMAC common

3 RS Output Read strobe TTL signal out

4 VEE Output Contrast adjustment VEE 0 to +5Vdc*

5 E Output Display enable High is enable

6 R/W Output Read or write TTL signal out

7 DB1 Output Display Data1

8 DB0 Output Display Data0

9 DB3 Output Display Data3

10 DB2 Output Display Data2

11 DB5 Output Display Data5

12 DB4 Output Display Data4

13 DB7 Output Display Data7

14 DB6 Output Display Data6

The JDISP connector is used to drive the 2 lines x 24 character (Acc-12), 2 x 40 (Acc-12A) LCD, or the 2 x 40

vacuum fluorescent (Acc 12C) display unit. The Display command may be used to send messages and values

to the display.

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 50 51

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