• A6312 Emerson EPRO Speed and Key Monitor
  • A6312 Emerson Speed and Key Monitor
  • A6312 EPRO Speed and Key Monitor
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A6312 Emerson EPRO Speed and Key Monitor

A6312 Emerson EPRO Speed and Key Monitor

Technical Specifications:

Manufacturer:
Emerson
Product No.:
A6312
Condition:
In Stock
Product Type:
Speed and Key Monitor
Product Origin:
USA
Weight:
320g
Shipping port:
Xiamen
Warranty:
12 months

Technical Specifications

Transducer Inputs

Number of Inputs Two, independent
Type of Inputs Eddy current, differential
Emerson Sensor Inputs Part number: 6422, 6423, 6424, 6425
Isolation Galvanically separated from power supply
Input Resistance >100 kΩ
Input Voltage Range 0 to ±27.3 VDC
Input Frequency Range 0 - 20,000 Hz, 65,535 RPM

Measuring Range

Range Continuously adjustable with the configuration software
Smallest Range 2 V
Largest Range 0 - 30 V
Sensor Power Supply
  • Separate buffered sensor supply
  • Galvanically separated from all system voltages and system supply voltage
  • Open and short circuit proof
Nominal Voltage -26.75 VDC
Available Current Nominal 20 mA, maximum 35 mA

Front Panel Outputs

Green LEDs Two LEDs, indicates channel OK separately for each channel
Yellow LEDs Four LEDs, indicates alert and danger separately for each channel
Front Panel Buffered Outputs Two, ±10 V, signal input level reduced by factor 0.15, >100 kΩ load, frequency range 0 Hz - 16 kHz (-3 dB)
Mini DIN Configuration Socket
  • Module interface connection for configuration and parameter and status monitoring
  • RS-232
Handle Easily remove card and provide plate for module and sensor identification

Analysis

Measurement Modes Hot configurable
Speed Measurements with Each Channel Forward and reverse rotation with trigger wheel (1 - 255 trigger marks), max. freq. 20 kHz
Pulse Width Time Window 5 - 10 msec
Key Pulse Detection with Each Channel
  • One key mark on the shaft
  • Possible with multiple key marks, but phase will change with each start-up
Zero Speed Monitor with Each Channel
  • Detects zero speed of trigger wheel with 1 - 255 trigger marks
  • Measures time between two pulses in a configurable range of 1 - 1700 seconds, forward or reverse direction
Both Channels in Combined Use
  • Detects direction of rotation of two trigger marks of which one is phase shifted
  • Detects a difference between the speed of two trigger wheels, difference adjustable in number of RPM

Rear Outputs Available

Current Mode Outputs
  • 0/4-20 mA output for each channel proportional to main value
  • Open/short circuit proof
Permissible Load <500 Ω
Accuracy ±1% of full scale
Settling Time Configurable, 0 - 10 seconds
Pulse Outputs
  • 0 Hz - 20 kHz output for each channel
  • Open/short circuit proof
Permissible Load >10 kΩ
TTL Pulse Output
  • 0 Hz - 20 kHz output signal for each channel, 0 - 20 kHz
  • Open/short circuit proof
Permissible Load >10 kΩ

Alarm Setpoints

Alert
  • Selectable normally open, normally closed
  • 0 - 5 second delay per channel
  • 0 - 36 second delay with A6740 relay card
  • Selectable to be blocked on channel not OK
  • Adjustable range 5 - 100% of full scale value
  • Resolution 1% of full scale value
  • Alarm hysteresis on decreasing signal value, 0 - 20% of full scale value
Danger
  • Selectable normally open, normally closed
  • 0 - 5 second delay per channel
  • 0 - 36 second delay with A6740 relay card
  • Selectable to be blocked on channel not OK
  • Adjustable range 5 - 100% of full scale value
  • Resolution 1% of full scale value
  • Alarm hysteresis on decreasing signal value, 0 - 20% of full scale value

OK Self-checking

Features
  • Power supply, sensor, cable, module checking, overload, internal temperature, system watchdog
  • Green LED: Off when not OK, During delay time, LED flashes, Reason for not OK can be read from communication bus

Limit Multiply

  • Remote, relay input, 1.00-4.99 factor

Trip Bypass

  • Remote, relay input

Environmental, General

Module IP 00, DIN 40050
Front Plate IP 21, DIN 40050
Climate DIN 40040 class KTF
Operating Temperature 0° - 65°C (32° - 149°F)
Storage Temperature -30° - 85°C (-22° - 185°F)
Relative Humidity 5 - 95%, non-condensing
Vibration
  • IEC 68-2, part 6
  • 0.15 mm, 10 - 55 Hz
  • 19.6 mm/s2, 55 - 150 Hz
Shock IEC 68-2, part 29, 98 m/s2 peak, 16 ms
EMC Resistance EN50081-1 / EN50082-2
Power Consumption Max. 6 W, 250 mA at 24 VDC
Configuration Password protected

Dimensions

Width 30mm (1.181in) (6 TE)
Height 128.4mm (5.055in) (3 HE)
Length 160mm (6.300in)
Net Weight app 320g (0.705lbs)
Gross Weight app 450g (0.992lbs) includes standard packing
Packing Volume app 2.5dm3 (0.08ft3)
Space Requirements 1 slot, 14 modules fit into each 19” rack

Related Tags :

Speed and Key Monitor
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