DS2400
12
2
2.4 ELECTRICAL CONNECTIONS
DS2400 25-pin connector 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.
Figure 11 - 25-pin female D-sub connector
25-pin D-sub connector pinout
Pin Name Function
13 VS Power supply input voltage +
25 GND Power supply input voltage -
1 CHASSIS Chassis Ground
9 VS External Trigger supply voltage +
18 EXT TRIG+ External Trigger +
19 EXT TRIG- External Trigger -
8 OUT1 + Output 1 +
11 OUT2 + Output 2 +
12, 22 OUT REF Output reference
20 RXAUX Auxiliary RS232
21 TXAUX Auxiliary RS232
23 CTSAUX Auxiliary handshake RS232
24 RTSAUX Auxiliary handshake RS232
6, 10, 14, 15,
16, 17
NC Not Connected
Pin RS232
RS485
Full-Duplex
RS485
Half-Duplex
20 mA C.L.
(INT-22 Only)
2 TX232 TX485+ RTX485+ CLOUT+
3 RX232 RX485+ CLIN+
4 RTS232 TX485- RTX485- CLOUT-
5 CTS232 RX485- CLIN-
7
Main
interface
signals, see
par. 2.4.2.
SGND SGND SGND
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