Measurement-computing Extender488 Uživatelský manuál stáhnout pdf (Strana 7)

Section 1 Introduction

1-3

1.3 Extender488 SPECIFICATIONS

IEEE 488-1978

Implementation: Proprietary transparent control and data transfers.

Connector: Standard IEEE 488 connector with metric studs.

Serial Interface

EIA RS-422A: Balanced voltage on TxD and RxD.

Connector: 9-pin Sub-D female.

Character Set: Proprietary asynchronous bit serial.

Baud Rate: Selectable 300, 600, 1200, 2400, 4800, 9600, 19,200 and

115,200.

Data Format: Selectable 7 or 8 data bits; 1 stop bit; odd parity.

Max. Cable Length: 1000 meters.

General

Data Rates: Specifications apply to data transfers after

addressing has been established.

Baud Rate Data Rate

(bytes per second, avg)

300 13

600 26

1200 53

2400 105

4800 204

9600 385

19.2K 691

115.2K 3400

Indicators: LEDs for IEEE Talk, Listen, SRQ, Error and Power.

Power: 105-125V or 210-250V; 50-60 Hz, 10 VA Max.

Dimensions: 188mm deep x 140mm wide x 68mm high (7.39" x 5.5" x 2.68").

Weight: 1.35 kg. (3.1 lbs).

Environment: 0¡ - 50¡C; 0 to 70% R.H. to 35¡C.

Linearly derate 3% R.H./¡C from 35¡ to 50¡C.

Controls: Power Switch (external),

Serial parameter switches (internal).

Specifications subject to change without notice.

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Measurement-computing Extender488 Uživatelský manuál Strana 7