Discontinued, Transmitter specifications – Max Machinery 294_269 High Resolution, Linearized Frequency Transmitters User Manual

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Transmitter Specifications

Supply Voltage

5-26 Vdc

Supply Current

25-30 mA typical

Output (5.0 Volt Supply)

No Load

0.00 / 4.80 Volts

(TTL and CMOS compatible)

2.5K Load to Common

0.00 / 4.60 Volts

2.5K Load to +5 Volts

0.25 / 4.80 Volts

Short Circuit Current

(1)

45 mA

Output Impedance

100 Ω

Rise/Fall Time

0.2 μ Sec

Output Update Rate

(2)

1 ms

Min/Max Frequency

0-60 kHz

Resolution

1 - 1000 pulses/rev, Single Phase

1 - 500 pulses/rev, Quadrature

Ambient Temperature Range

Transmitter (Storage) –40ºC to 85ºC (–40ºF to 185ºF)

Transmitter (Operation)

(3)

–40ºC to 80ºC (–40ºF to 175ºF)

Maximum Temperature, Process Fluid

(30ºC Ambient, 5V supply)

294/269-x0x-xxx (Standard Model)

90ºC (195°F)

294/269-x1x-xxx (High Temp Model)

160ºC (320°F)

294/269-x2x-xxx (Ultra High Temp Model) 215ºC (420°F)

Anti-dither Range

Software selectable from 1 - 100% of 1 revolution.

Default values: 50% Single Phase

2% Quadrature

Signal Filtering

Software selectable from 1ms to 250ms time constant

(1) Continuous Short Circuit is not recommended. The output current should not exceed 10 mA
(2) Events are seen as output transitions 1 msec after they occur
(3) Temperature of metered fluid will affect transmitter temperature, see graph

Discontinued

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