INSTALLATION

2

 

2.3ELECTRICAL CONNECTIONS

All DS1500 models are equipped with a cable terminated by a 15-pin male D-sub high-density connector for connection to the power supply and input/output signals. The details of the connector pins are indicated in the following table.

 

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

CAUTION

voltage drops over 0.8 Vdc.

Figure 5 - 15-pin D-sub High-Density Male Connector

15-pin D-sub HD male connector pinout

Pin

Name

Function

 

 

 

 

 

 

 

1

VS

Power supply input voltage +

 

5

GND

Power supply input voltage -

 

8

PE

Protective Earth Ground

 

13

SHIELD

Cable Shield

 

 

9

EXT TRIG-

External Trigger -

 

 

7

OUT1 +

Output 1 +

 

 

14

OUT2 +

Output 2 +

 

 

11, 12, 15

NC

Not Connected

 

 

Pin

 

RS232

 

RS485

RS485

 

 

Full-Duplex

Half-Duplex

 

 

 

 

2

Serial

TX232 Main

 

TX485-

RTX485-

3

RX232 Main

 

RX485+

 

interface

 

 

6

TXAUX

 

TX485+

RTX485+

signals, see

 

10

par. 2.3.2.

RXAUX

 

RX485-

 

4

SGND

 

SGND

SGND

 

 

11