Max Machinery 286-300 SERIES TRANSMITTERS - Manual (Page 3)

Specifications
Supply Voltage........................................................................ 4.5 VDC to 30 VDC
Supply Current.................................... 12mA Typical, 20mA Maximum (+ Load)
Output (5.0V Supply) .......................................................................................... Hi
Lo
No Load.............................................................................................. 4.80 V 0.04 V
2.5k Load to Common........................................................................ 4.60 V 0.04 V
2.5k Load to +5 Volts......................................................................... 4.80 V 0.25 V
Short Circuit Current
1
......................................................................... 45 mA
Output Impedance ............................................................................... 100
Rise Time ............................................................................... 0.15 uS (90%)
Fall Time ................................................................................ 0.15 uS (90%)
Maximum Frequency .........................................................................60 kHz
Minimum Frequency ..............................................................................0 Hz
Maximum Rotor RPM ...........................................................................3600 RPM
Minimum Rotor RPM..................................................................................0 RPM
Pulse Width Variation (between consecutive rising edges) .................. 15% max
Output Lag
2
................................................................................................0.25 mS
Ambient Temperature Limits
3
Electronics
Storage........................................................................ -40°C to 85°C
Operation.................................................................... -40°C to 80°C
Stator .......................................................................-40°C to 130°C (265°F)
Estimated Microprocessor Memory Lifetime
4
80°C.................................................................................................... 20 yrs.
55°C and below ................................................................................ >50 yrs.
Antidither Range
Pulse Output .......................................................................... 1/2 Revolution
Switching of Pin #6………………………………………….1/4 Revolution
1 Continuous Short Circuit is not recommended. The sum of output currents during operation should not exceed 30 mA (i.e.: 30
mA on one output or 15 mA on two outputs).
2 Events are seen as output transitions 0.25 mS after they occur
3 Temperature of metered fluid will affect transmitter temperature, see pg. 4
4 See pg. 8 for more information
Specifications
286-300-350 © 2002, Max Machinery, Inc. (3)
Discontinued