Sentrysafe SPD 5.5.5 Manual do Utilizador descarregar pdf (Página 44)

Sample Sequencer

Installation

Wiring to Provide Dry Contact Closure - Figure 20

1. The analyzer 0 - 20 mA (or 4-20 mA) analog output signal is connected in series with the Sample

Sequencer I/O board and the + and - terminals on the recorder input terminals.

2. Connect terminals R1 through R8 on the output board, to the corresponding input terminals of the

recorder or data acquisition system for contact closure indication of sample number.

3. Connect one conductor to terminal C on the output board to a negative (-) terminal on the recorder.

Jumper the recorder (-) terminals together.

4. Install the signal switching output board in either of two slot locations marked on the Sample

Sequencer enclosure as shown in Figure 17. Install by plugging the board into the corresponding

connector of the display board. (NOTE: The board should be installed such that board components

are on the right side

as viewed from the rear.)

FIGURE 20 - Recorder Connections: Contact Closure Channel

Indication Using Signal Switching Output Board

SENTRY Equipment Corp • P. O. Box 127 • Oconomowoc, WI 53066 • 262/567-7256 • FAX: 262/567-4523

Web: www.sentry-equip.com • e-mail: [email protected]

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Sentrysafe SPD 5.5.5 Manual do Utilizador Página 44