Watlow Series 922 Retrofit Manual de usuario descargar pdf (Pagina 77)

Appendix

WATLOW Series 922 User's Manual

Specifications

Output - Control Per Channel (Single or Dual)

• Solid state relay, 0.5A @ 24VAC min. 264 VAC max., opto-isolated, zero

cross switching.

• Solid state switch, 20mA @ 20VDC max, open collector switch-to-ground.

• 4-20mA into 600Ω load maximum.

Output/Input - Auxiliary

• External, plug-in module.

• Solid state relays, 2 or 8 ea., 0.5A @ 24VAC min. 264 VAC max.

• Auxiliary supply: 21 to 33VDC, 25mA maximum.

• Switched DC signal provides a minimum turn on voltage of 3VDC in a

minimum 500Ω load. Maximum on voltage not greater than 32VDC into an

infinite load.

Output - Analog Retransmit

• Device driven must have an input impedance > 10kΩ.

• Reference: 0 Units = 0 Volts.

• Scalable: 1mV, 2mV, 5mV, or 10mV per LSD.

• Maximum voltage Span: -9.5 to +9.5 volts.

Accuracy

• Calibration Accuracy and Sensor Conformity: ± 0.15% of span, ± 1 digit at

77°F ± 5°F (25°C ±3°C) ambient & rated line voltage ± 10%.

• Accuracy Span: 1000°F or 540°C minimum.

• Temperature Stability: 0.18°F/°F (0.1°C/°C) change in ambient.

• Voltage Stability: ± 0.01% of span / % of rated line voltage.

Communications

• Serial data communications.

• RS-422A or RS-423A (RS-232C compatible).

• Most operator indication and controls.

• ANSI X3.28 protocol, or XON/XOFF protocol.

• Isolated.

• DB-9 Female connector.

Terminals

• #6 compression type screw terminals.

Power

• 115/230VAC ±10%, 50/60Hz ±5%.

• 18VA maximum.

• Data retention upon power failure via nonvolatile memory.

Operating Environment

• 32 to 130°F/0 to 55°C.

• 0 to 90% RH, non-condensing.

Dimensions

• Height: 3.8 in. (96.52 mm)

• Width: 3.8 in. (96.52 mm)

• Overall depth: 7.0 in. (177.80 mm)

• Behind panel depth: 6.0 in. (152.50 mm)

with connector for

communication and events: 8.8 in. (223.52 mm)

• Weight: 2.8 lb (1.27 kg)

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Watlow Series 922 Retrofit Manual de usuario Pagina 77

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