Clarity INT9 A/D Guide de l'utilisateur télécharger pdf (Page 13)

Clarity - Getting Started Installation

13

Starting cable

Signal cable

START (REMOTE, …)

Red

Shielding

SYMMETRICAL CONNECTION

+ (+1V, Hi, …)

- (-1V, Lo, …)

COM (0, GND)

Red

Shielding

White

Digital output (Relay)

START (REMOTE, …)

1V (100mV, Hi, +, …)

0 (COM, AGND, …)

NONSYMMETRICAL CONNECTION

Red

Shielding

Red

Shielding

White

Starting cable

Signal cable

Digital output (Relay)

Fig. 1. Connection of Clarity with chromatograph

All current DataApex A/D Converters INT7,

INT9, U-PAD, U-PAD2 and Net-PAD use the same

standard INT7 Connector.

Note: The INT5 cable (obsolete type) requires a

reduction to the INT7 card, which can be ordered

separately.

Detailed description of individual connectors

wiring is provided in the Reference Guide in the

chapter Technical Specification.

Principles of connection of signal cables:

Signal inputs of the A/D converters are

symmetrical: + (red), - (white), analogue earth

(copper braiding).

Caution! Shielding must be connected. It serves not only

as the shielding, but also as the analogue earth

against which measurement takes place. In the

case of asymmetrical output of a detector (only

two connectors) shielding must be connected to

the white lead! No lead of the signal cable may

remain unconnected.

Try to connect to the output of the

chromatograph detector with the largest

possible level of signal, usually indicated as

INTEGRATOR (signal approx. 1V). The level of

the signal on the output marked RECORDER

is usually only approx. 10mV.

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