Programmable F/I-F/F Converter – PR Electronics 5223A

Features

  • Pulse calculator
  • Frequency generator
  • Galvanic isolation
  • Analog current and voltage output
  • PNP / NPN output, optional relays
  • Universal supply
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Advanced features

  • The 5223 transmitter can be configured with a standard PC and the Loop Link communications unit, or delivered fully configured.

Application

  • The f/I function performs frequency to current and voltage conversion.
  • The f/f function can be used for pulse division or multiplication and as a buffer collecting fast pulse trains.
  • A scale factor may be entered in all functions. Using both digital inputs, pulse addition or subtraction are possible.
  • The frequency generator function is used as e.g. a time base or clock generator.
  • Input and supply polarity reversal protection.
  • Current and voltage output signals galvanically separated from the supply and the inputs.
  • Programmable digital outputs including NPN, PNP or relay options.

Technical characteristics

  • 5 front LEDs, indicating f1 and f2 active inputs (not NPN), Dig.out.1 and 2 active outputs, and a programmable error signal.
  • Analog current output can be configured to any current within 0…20 mA range.
  • Voltage output range is selectable between 0…10 VDC and 0…1 VDC by use of internal jumpers.
  • Input range:
    • Frequency: 0…20,000 Hz
    • Sensor types: NAMUR, tacho, NPN, PNP, TTL, S0
  • Output range:
    • Current and voltage output: 0…20 mA / 0…10 V
    • Relay outputs: 0…20 Hz
    • NPN and PNP output as f/f: 0…1000 Hz
    • NPN and PNP output as generator: 0…20,000 Hz

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 109 x 23.5 x 130 mm
Weight approx. 240 g
DIN rail type DIN 46277
Wire size 1 x 2.5 mm2 stranded wire
Screw terminal torque 0.5 Nm
COMMON SPECIFICATIONS
Supply
Supply voltage, universal 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC
Fuse 400 mA SB / 250 VAC
Max. required power 3.5 W
Internal power dissipation 3 W
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
Power-up delay 0…999 s
Warm-up time 1 min.
Programming Loop Link
Signal / noise ratio Min. 60 dB
Response time, analog < 60 ms + period
Response time, digital output < 50 ms + period
Signal dynamics, output 16 bit
Effect of supply voltage change < 0.005% of span / VDC
Auxiliary voltage: NAMUR supply 8.3 VDC ±0.5 VDC / 8 mA
S0 supply 17 VDC / 20 mA
NPN / PNP supply 17 VDC / 20 mA
Special supply (programmable) 5…17 VDC / 20 mA
Temperature coefficient < ±0.01% of span / °C
Linearity error < 0.1% of span
EMC immunity influence < ±0.5%
INPUT SPECIFICATIONS
Common input specifications
Max. offset 90% of selected max. frequency
Measurement range 0…20 kHz
Min. measurement range 0.001 Hz
Max. frequency, with input filter ON 50 Hz
Min. period time with input filter ON 20 ms
Input types NAMUR acc. to DIN 19234 Tacho
NPN / PNP
2-phase encoder
TTL
S0 acc. to DIN 43864
OUTPUT SPECIFICATIONS
Common output specifications
Updating time 20 ms
Current output
Signal range 0…20 mA
Min. signal range 5 mA
Load (@ current output) ≤ 600 Ω
Load stability ≤ 0.01% of span / 100 Ω
Current limit < 23 mA
Voltage output
Signal range 0…10 VDC
Min. signal range 250 mV
Load (@ voltage output) ≥ 500 kΩ
Relay output
Max. switching frequency 20 Hz
Max. voltage 250 VRMS
Max. current 2 AAC
Max. AC power 100 VA
Max. load at 24 VDC 1:00 AM
Other output types Active outputs (NPN / PNP) f/f converter output
Frequency generator
of span = of the presently selected range
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
EAC TR-CU 020/2011

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