Chromalox 2104 Especificações descarregar pdf (Página 90)

Chromalox 2104 Technical Manual 85

Digital Input Accepts dry-contact closure

Analog Output Option

Assignable Functions Process Variable

Active Setpoint

Output #1 Command

Output #2 Command

Output Signal 4-20mA into 0-800Ω load

1-5 Vdc into 100KΩ or greater load

Selectable via DIP switch

Range Programmable over selected sensor span for

retransmission of Process Variable and Active Setpoint,

fixed to 0 to 100% for transmission of output commands

Accuracy ± 0.2% of programmed span, ± 1 LSD

Digital Communications (Optional)

RS-232 Single-drop, isolated

RS-422/485 Multi-drop, isolated, field selectable by switch

Baud rates 1200, 2400, 4800, 9600, 19.2K

Protocols ASCII Line, Computer Interface

Instrument Power 100 to 240 Vac, +10%, -15%;

12 to 24 Vac/Vdc, ± 10%; 50 to 60 Hz

Operating Environment 32 to 150°F (0 to 65°C) ambient temperature, relative

humidity less than 95%, non-condensing

Dimensions

Overall 3.8 x 3.8 x 4.75 inches (96 x 96 x 121mm)

Depth Behind Projection 4.0 inches (102 mm)

Front Panel Projection 0.75 inches (19 mm)

Panel Cutout 3.6 x 3.6 inches (92 mm x 92 mm)

Case Material High Impact, Black ABS Plastic

Front Panel NEMA 4X Construction

Influence of Line Voltage

Variation ± 0.1% of Sensor Span/10% change in nominal line

voltage

Noise Rejection

Common Mode Noise 140dB at 60 Hz

Series Mode Noise ± 0.1% of Sensor Span with 300mV peak to peak, 50 or

60Hz series mode noise

RFITypically less than 0.5% of Sensor Span at a distance of 1

meter (3.1 feet) from transmitter (4W, 464Mhz)

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