WAS4 PRO FREQ
WAS4 PRO FREQ
Connection diagram
WAS4 PRO FREQ
Similar to illustration
WAS4 PRO FREQ
WAS4 PRO FREQ
WAS4 PRO FREQ
WAS4 PRO FREQ
WAS4 PRO FREQ
WAS4 PRO FREQ
WAS4 PRO FREQ
WAS4 PRO FREQ

WAS4 PRO FREQ

Frequency signal isolating transformer, Input : Frequency, Output : I / U

Product ID 8581180000
Gegevensblad downloaden Product Downloads Engineering Support
Toebehoren 1 Verwante producten 2
Approvals General ordering data Dimensions and weights Temperatures Probability of failure Environmental Product Compliance Input Output General data Insulation coordination Connection data Important note Classifications Tender specification sheets

Approvals

Approvals
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319228/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_322323/-S800/-T1z1mm-S80)  
ROHS
Conform  
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html)  
Certificate no. (cULus)
E141197  
Certificate no. (cULusEX)
E223527  

General ordering data

Version
Frequency signal isolating transformer, Input : Frequency, Output : I / U  
Order No.
8581180000  
Type
WAS4 PRO FREQ  
GTIN (EAN)
4032248234486  
Qty.
1  items
Delivery status
Discontinued  
Available until
31.12.2022  
Alternative product
[2447940000](~/p/2447940000)  

Dimensions and weights

Depth
112,4  mm
Depth (inches)
4,425  inch
Width
12,5  mm
Width (inches)
0,492  inch
Length
92,4  mm
Length (inches)
3,638  inch
Net weight
118,7  g

Temperatures

Storage temperature
-20 °C...85 °C  
Operating temperature
0 °C...55 °C  

Probability of failure

SIL in compliance with IEC 61508
None  
MTTF
458  a

Environmental Product Compliance

RoHS Compliance Status
Compliant with exemption  
RoHS Exemption (if applicable/known)
7a, 7cI  
REACH SVHC
Lead 7439-92-1  
SCIP
b25f3b7c-b874-4a4e-a8b2-4f423a7e2a65  

Input

Input frequency
0…100kHz  
adjustable  
Number of inputs
1  
Rated input level
Threshold/hysteresis: Namur: approx. 1.7 mA/approx. 0.2 mA; NPN: approx. 6.5 V/approx. 0.2 V; PNP: approx. 6,7 V/approx. 0.5 V  
Sensor
2-, 3-wire PNP/NPN, Namur initiator, push-pull step  
Frequency  
Sensor supply
16 V DC @ max. 15 mA  

Output

Load impedance current
≤ 600 Ω  
load impedance voltage
≥ 1 kΩ  
Number of outputs
1  
Offset current
max. 100 µA  
Offset voltage
max. 0.05 V  
Output current
0...20 mA  
4...20 mA  
Adjustable  
Output voltage, note
0...5 V  
0...10 V  
Adjustable  

General data

Accuracy
< 0.2% of output range  
Configuration
DIP switch (measurement range 0...15900 Hz)  
Frequency generator (measurement range 0...100 kHz)  
Nominal power consumption
0,5  VA
Power consumption
max. 1.6 W at IOUT = 20 mA  
Protection degree
IP20  
Rail
TS 35  
Step response time
360 ms + 2 times the period time of input frequency  
Temperature coefficient
max. 200 ppm/K of output range  
Voltage supply
24 V DC ± 25 %  

Insulation coordination

EMC standards
EN 55011  
EN 61000-6  
EN 61326  
Galvanic isolation
3-way isolator  
Impulse withstand voltage
6 kV  
Insulation voltage
4 kVeff / 5 s  
Insulation voltage input or output/rail
4 kVeff / 1 min.  
Insulation voltage input or output/supply
4 kVeff / 5 s  
Pollution severity
2  
Rated voltage
300 V  
Surge voltage category
III  

Connection data

Type of connection
Screw connection  
Stripping length, rated connection
7  mm
Tightening torque, min.
0,4  Nm
Tightening torque, max.
0,5  Nm
Clamping range, rated connection
2,5  mm²
Clamping range, min.
0,5  mm²
Clamping range, max.
2,5  mm²

Important note

Product information
This product will soon be replaced by a new product.
Please do not use with new systems. Please contact our technical support.  

Classifications

ETIM 6.0
EC002918  
ETIM 7.0
EC002918  
ETIM 8.0
EC002918  
ETIM 9.0
EC002918  
ETIM 10.0
EC002918  
ECLASS 9.0
27-21-01-28  
ECLASS 9.1
27-21-01-28  
ECLASS 10.0
27-21-01-28  
ECLASS 11.0
27-21-01-28  
ECLASS 12.0
27-21-01-28  
ECLASS 13.0
27-21-01-28  
ECLASS 14.0
27-21-01-28  
ECLASS 15.0
27-21-01-28  

Tender specification sheets

Long specification

Measurement isolating transformer for frequency signals, configured with DIP switches
f/DC measurement isolating transformer in 12.5 mm width, with external power supply:
for transmitting, converting and isolating frequencies up to 100 kHz. Namur or 3-wire NPN/PNP sensors can be connected on the input side.  
Standard DC signals 0(4) to 20 mA/ 0 to 10 V are available on the output side.
Internal potentiometer is used for zero and span calibrations.

Add-on housing for TS35 rail mounting
Dimensions: L/W/H 92.4/ 12.5/ 112.4 mm
Screw connection / Nominal cross-section 2.5 mm2
Protection degree: IP 20 

Input                         2-, 3-wire PNP/ NPN, Namur initiators, push-pull
                                      up to 100 kHz                                                                                                                                                      
Output                                             0/4...20 mA
                                      0...10 V 
Load resistance             < 600 Ohm/ Strom/> 1 kOhm/ voltage
Transmission error             <0.2 % of input
Auxiliary power                                     24 VDC +/- 25 %
Power loss approx. 1.6 W
Ambient
temperature range 0°C...+55 °C


Isolation                                 EN 50178, 3-way isolation up to 4 kV AC/DC of all circuits against each other
Test voltage                               2 kV input against output against auxiliary power
Rated
voltage                                          300 V AC/DC at overvoltage category III and pollution degree 2
Approvals cULus, cULusEX




Type                                                             WAS4 PRO Freq

 
Short specification
Measurement isolating transformer for frequency signals, configured with DIP switches
f/DC measurement isolating transformer in 12.5 mm width, with external power supply:
for transmitting, converting and isolating frequencies up to 100 kHz. Namur or 3-wire NPN/PNP sensors can be connected on the input side.  
Standard DC signals 0(4) to 20 mA/ 0 to 10 V are available on the output side.
Internal potentiometer is used for zero and span calibrations.