Programmable f/I-f/f converter
5225
– Pulse conditioning
– Frequency generator
– Concurrent f/I and f/f function
– Analog current and voltage output
– PNP / NPN output, optional relays
– Programmable by PC and Loop Link
Advanced features
• The 5225 transmitter can be configured with a standard PC
and the Loop Link communications unit, or delivered fully
configured.
Connections
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.
• The concurrent f/I and f/f functions enable a scaled digital
output signal in conjunction with the analog output.
• 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
• 4 front LEDs, indicating f in active inputs (not NPN), Dig.out.1
(NPN or relay 1) and Dig.out 2 (relay 2) outputs, and a
NAMUR input 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.
• Programming can be performed with or without a power
supply.
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Environmental Conditions
Specifications range.......................................
Calibration temperature.................................
Relative humidity............................................
Protection degree...........................................
Output specifications
-20°C to +60°C
20...28°C
< 95% RH (non-cond.)
IP20
Mechanical specifications
Dimensions (HxWxD).....................................
Weight approx................................................
DIN rail type...................................................
Wire size........................................................
Screw terminal torque....................................
109 x 23.5 x 130 mm
190 g
DIN 46277
1 x 2.5 mm2 stranded wire
0.5 Nm
Common specifications
Supply voltage............................................... 19.2...28.8 VDC
Max. power consumption............................... 3.5 W
Internal consumption...................................... 1.7 W
Warm-up time................................................. 30 s
Power-up delay.............................................. 0...999 s
Communications interface............................. Loop Link
Signal / noise ratio......................................... Min. 60 dB
Response time, analog.................................. < 60 ms + period
Response time, digital output......................... < 50 ms + period
Response time, concurrent
f/I and f/f......................................................... < 80 ms + period
Signal dynamics, output................................. 16 bit
Effect of supply voltage change..................... < ±0.002% of span / %V
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%
Max. offset...................................................... 50% of selected max. value
Current output: Signal range......................... 0...20 mA
Min. signal range............................................ 5 mA
Updating time................................................. 20 ms
Updating time................................................. 40 ms for concurrent f/I and f/f
Load (max.).................................................... 20 mA/600 Ω/12 VDC
Load stability, current output.......................... ≤0.01% of span/100 Ω
Current limit.................................................... < 23 mA
Voltage output through internal
shunt.............................................................. See manual for details
Other output types......................................... Active outputs (NPN / PNP)
Other output types......................................... f/f converter output
Other output types......................................... Frequency generator
Relay output: Max. switching
frequency....................................................... 20 Hz
Relay output: Isolation, test
/ working......................................................... 3.75 kVAC / 250 VAC
Max. voltage................................................... 250 VRMS
Max. current................................................... 2 AAC
Max. AC power.............................................. 500 VA
Max. load at 24 VDC...................................... 1 A
*of span.......................................................... = of the presently selected
range
Approvals
EMC...............................................................
LVD................................................................
PELV/SELV....................................................
GOST R.........................................................
EN 61326-1
EN 61010-1
IEC 364-4-41 and EN 60742
Yes
Input specifications
Max. offset...................................................... 90% of selected max.
frequency
Measurement range....................................... 0...20 kHz
Min. measurement range............................... 0.001 Hz
Low cut-off frequency..................................... 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
Input types...................................................... Tacho
Input types...................................................... NPN / PNP
Input types...................................................... TTL
Input types...................................................... S0 acc. to DIN 43864
5225-010914