Installation manual

DS2100N REFERENCE MANUAL

3.3 ELECTRICAL CONNECTIONS

All DS2100N models are equipped with a cable terminated by a 25-pin female D-sub

connector for connection to the power supply and input/output signals. The details of the

connector pins are indicated in the following table.

CAUTION

Do not connect GND and SGND to different (external) ground references.

GND and SGND are internally connected through filtering circuitry which

can be permanently damaged if subjected to voltage drops over 0.8 Vdc.

13 1

Figure 16 - 25-pin Female D-sub Connector

25-pin D-sub female connector pinout

Pin Name Function

13, (9) VS Power supply input voltage +

25 GND Power supply input voltage -

1 CHASSIS Cable shield connected to chassis

18 EXT TRIG A External Trigger A (polarity insensitive)

19 EXT TRIG B External Trigger B (polarity insensitive)

10 IN2 - Input 2 -

8 OUT1 + Output 1 +

22 OUT1 - Output 1 -

11 OUT2 + Output 2 +

12 OUT2 - Output 2 -

20 RXAUX Auxiliary RS232

21 TXAUX Auxiliary RS232

23 ID-NET + High speed internal network +

24 ID-NET - High speed interconnection network -

6, 14, 15, 16,

NC Not Connected

Pin Name RS232

RS485

Full-Duplex

RS485

Half-Duplex

2 TX232 TX485+ RTX485+

3 RX232 *RX485+

4 RTS232 TX485- RTX485-

5 CTS232 *RX485-

MAIN INTERFACE

(SW SELECTABLE)

SGND SGND SGND

* Do not leave floating, see par. "RS485 Full-Duplex Interface" for connection details.