How it Works
Wago
Loading...
857-420
Data Sheet
13 pgs423.98 Kb0
Table of contents
Loading...

Wago 857-420 Data Sheet

Download
Page 1
Data sheet | Item number:857-420
Isolation amplifier; Current input signal; Current and voltage output signal; Supply voltage: 24 VDC; 6 mm module width
857-420
02.05.2019Page /1 13
Page 2

Item description

Short description:
The Repeater Power Supply links 2- or 3-wire transmitters located in the field. It provides the power required and transmits the analog signals in an electrically isolated way.
Features:
Power supply to SMART transmitters
Switching between measuring ranges is calibrated
Safe 3-way isolation with 2.5 kV test voltage per EN 61140

Data

Technical Data

Configuration

Configuration options DIP switches

Input

Input signal type Current
Input signal, current 0 … 20mA;4 … 20mA (calibrated configurable signals)
Input resistance (intput/current) ≤50Ω
Sensor supply U = 18 V; 30 mA
v
Max. input current 50 mA

Output

Output signal type Current
Voltage
Output signal voltage 0 … 5 V; 1 … 5 V; 0 … 10 V; 2 … 10 V (calibrated switchable)
857-420
02.05.2019Page /2 13
Page 3
Output signal current 0 … 20 mA; 4 … 20 mA (calibrated switchable)
Load impedance (output/voltage) ≥2kΩ
Load impedance (output/current) ≤600Ω
Offset ≤20µA
Residual ripple ≤10mV (rms)

Signal processing

Max. operating frequency 100Hz
Step response typ. 3.5ms

Measurement error

Transmission error typ. ≤ 0.1 % of upper range value
Temperature coefficient ≤ 0.01 %/K

Power supply

Type of power supply 24 VDC
Nominal supply voltage U
S
DC24V
Supply voltage range ±30%
Current consumption at supply voltage ≤45mA

Safety and protection:

Test voltage (input/output/supply) AC 2.5kV;50Hz;1min
Protection class IP20

Connection data

Connection technology
Push-in CAGE CLAMP
®
Solid conductor 0.08 … 2.5mm²/ 28 … 14AWG
Fine-stranded conductor 0.34 … 2.5mm²/ 22 … 14AWG
Strip length 9 … 10mm/ 0.35 … 0.39inch

Geometrical Data

Width 6mm/ 0.236inch
Height from upper-edge of DIN-35 rail 97.8mm/ 3.85inch
Depth 94mm/ 3.701inch

Mechanical data

Type of mounting DIN-35 rail
857-420
02.05.2019Page /3 13
Page 4
Material Data
Color light gray
Fire load 0 MJ
Weight 37 g

Environmental Requirements

Surrounding air (operating) temperature -25 … 70°C
Surrounding air (storage) temperature -40 … 85°C

Standards and specifications

Conformity marking 1

Commercial data

Product Group 6 (Interface Electronics)
Country of origin DE
GTIN 4045454471330
Customs Tariff No. 85437090300

Approvals / Certificates

UL-Approvals
Logo Approval Additional Approval Text
Certificate name
UL
UL International Netherlands B.V. (ORDINARY LOCATIONS)
UL 508 E175199
Sec.4

Compatible products

power supply
Item no.: 787-2852 Switched-mode power supply; for JUMPFLEX® Signal Conditioners; 1-phase; 24 VDC output voltage; 1 A output current
787-2852
transfer module
Item no.: 857-980
Interface adapter; 16-pole; analog
857-980
857-420
02.05.2019Page /4 13
Page 5
Marking accessories
Item no.: 2009-110 Marking strips; on reel; not stretchable; plain; snap-on type
2009-110
Item no.: 2009-115 WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
Item no.: 2009-115/000-002
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-002
Item no.: 2009-115/000-006
WMB-Inline; for smartPRINTER; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-006
Item no.: 2009-115/000-007
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-007
Item no.: 2009-115/000-012
WMB-Inline; for smartPRINTER; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-012
Item no.: 2009-115/000-017
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-017
Item no.: 2009-115/000-023
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-023
Item no.: 2009-115/000-024
WMB-Inline; for smartPRINTER; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-024
Item no.: 793-501
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
Item no.: 793-501/000-002
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-002
Item no.: 793-501/000-005
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-005
Item no.: 793-501/000-006
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-006
Item no.: 793-501/000-007
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-007
Item no.: 793-501/000-012
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-012
857-420
02.05.2019Page /5 13
Page 6
Item no.: 793-501/000-017
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-017
Item no.: 793-501/000-023
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-023
Item no.: 793-501/000-024
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-024
Item no.: 793-502
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
Item no.: 793-502/000-002
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-002
Item no.: 793-502/000-005
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-005
Item no.: 793-502/000-006
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-006
Item no.: 793-502/000-007
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-007
Item no.: 793-502/000-012
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-012
Item no.: 793-502/000-017
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-017
Item no.: 793-502/000-023
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-023
Item no.: 793-502/000-024
WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
/000-024
Item no.: 793-503
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
Item no.: 793-503/000-002
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-002
Item no.: 793-503/000-005
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-005
857-420
02.05.2019Page /6 13
Page 7
Item no.: 793-503/000-006
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-006
Item no.: 793-503/000-007
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-007
Item no.: 793-503/000-012
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-012
Item no.: 793-503/000-017
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-017
Item no.: 793-503/000-023
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-023
Item no.: 793-503/000-024
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
/000-024
Item no.: 793-504
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
Item no.: 793-504/000-002
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
/000-002
Item no.: 793-504/000-005
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
/000-005
Item no.: 793-504/000-006
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
/000-006
Item no.: 793-504/000-012
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
/000-012
Item no.: 793-504/000-017
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
/000-017
Item no.: 793-504/000-023
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
/000-023
Item no.: 793-505
WMB marking card; as card; MARKED; 31 ... 40 (10x); not stretchable; Horizontal marking; snap-on type
793-505
Item no.: 793-505/000-005
WMB marking card; as card; MARKED; 31 ... 40 (10x); not stretchable; Horizontal marking; snap-on type
793-505
/000-005
857-420
02.05.2019Page /7 13
Page 8
Item no.: 793-505/000-006
WMB marking card; as card; MARKED; 31 ... 40 (10x); not stretchable; Horizontal marking; snap-on type
793-505
/000-006
Item no.: 793-505/000-007
WMB marking card; as card; MARKED; 31 ... 40 (10x); not stretchable; Horizontal marking; snap-on type
793-505
/000-007
Item no.: 793-505/000-012
WMB marking card; as card; MARKED; 31 ... 40 (10x); not stretchable; Horizontal marking; snap-on type
793-505
/000-012
Item no.: 793-506
WMB marking card; as card; MARKED; 41 ... 50 (10x); not stretchable; Horizontal marking; snap-on type
793-506
Item no.: 793-506/000-005
WMB marking card; as card; MARKED; 41 ... 50 (10x); not stretchable; Horizontal marking; snap-on type
793-506
/000-005
Item no.: 793-506/000-006
WMB marking card; as card; MARKED; 41 ... 50 (10x); not stretchable; Horizontal marking; snap-on type
793-506
/000-006
Item no.: 793-506/000-012
WMB marking card; as card; MARKED; 41 ... 50 (10x); not stretchable; Horizontal marking; snap-on type
793-506
/000-012
Item no.: 793-506/000-017
WMB marking card; as card; MARKED; 41 ... 50 (10x); not stretchable; Horizontal marking; snap-on type
793-506
/000-017
Item no.: 793-5501 WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
Item no.: 793-5501/000-002 WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-002
Item no.: 793-5501/000-005 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-005
Item no.: 793-5501/000-006 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-006
Item no.: 793-5501/000-007 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-007
Item no.: 793-5501/000-012 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-012
Item no.: 793-5501/000-014 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-014
857-420
02.05.2019Page /8 13
Page 9
Item no.: 793-5501/000-017 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-017
Item no.: 793-5501/000-023 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-023
Item no.: 793-5501/000-024 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-024
Item no.: 793-566
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
Item no.: 793-566/000-002
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-002
Item no.: 793-566/000-005
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-005
Item no.: 793-566/000-006
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-006
Item no.: 793-566/000-007
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-007
Item no.: 793-566/000-012
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-012
Item no.: 793-566/000-017
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-017
Item no.: 793-566/000-023
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-023
Item no.: 793-566/000-024
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-024
tools
Item no.: 210-720
Operating tool with partially insulated shaft; Type 2, blade (3.5 x 0.5) mm
210-720
assembling
Item no.: 249-116
Screwless end stop; 6 mm wide; for DIN-rail 35 x 15 and 35 x 7.5
249-116
Item no.: 249-117
Screwless end stop; 10 mm wide; for DIN-rail 35 x 15 and 35 x 7.5
249-117
857-420
02.05.2019Page /9 13
Page 10
Item no.: 249-197
Screwless end stop; 14 mm wide; for DIN-rail 35 x 15 and 35 x 7.5
249-197
General accessories
Item no.: 857-979
Supply and through module
857-979
Jumper
Item no.: 281-482
Comb-style jumper bar; insulated; 2-way; IN = IN terminal block
281-482
Item no.: 859-402
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
Item no.: 859-402/000-005
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
/000-005
Item no.: 859-402/000-006
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
/000-006
Item no.: 859-402/000-029
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
/000-029
Item no.: 859-403
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
Item no.: 859-403/000-005
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
/000-005
Item no.: 859-403/000-006
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
/000-006
Item no.: 859-403/000-029
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
/000-029
Item no.: 859-404
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
Item no.: 859-404/000-005
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
/000-005
Item no.: 859-404/000-006
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
/000-006
Item no.: 859-404/000-029
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
/000-029
Item no.: 859-405
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
857-420
02.05.2019Page /10 13
Page 11
Item no.: 859-405/000-005
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
/000-005
Item no.: 859-405/000-006
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
/000-006
Item no.: 859-405/000-029
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
/000-029
Item no.: 859-406
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
Item no.: 859-406/000-005
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
/000-005
Item no.: 859-406/000-006
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
/000-006
Item no.: 859-406/000-029
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
/000-029
Item no.: 859-407
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
Item no.: 859-407/000-005
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
/000-005
Item no.: 859-407/000-006
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
/000-006
Item no.: 859-407/000-029
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
/000-029
Item no.: 859-408
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
Item no.: 859-408/000-005
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
/000-005
Item no.: 859-408/000-006
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
/000-006
Item no.: 859-408/000-029
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
/000-029
Item no.: 859-409
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
857-420
02.05.2019Page /11 13
Page 12
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
Item no.: 859-409/000-005
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
/000-005
Item no.: 859-409/000-006
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
/000-006
Item no.: 859-409/000-029
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
/000-029
Item no.: 859-410
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
Item no.: 859-410/000-005
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
/000-005
Item no.: 859-410/000-006
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
/000-006
Item no.: 859-410/000-029
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
/000-029

Downloads

Documentation

Bid Text
857-420
Trennverstärker,
Mar 9, 2016 doc
30.7 kB
Download
Instruction Leaflet
Measurement Transducer and Isolation Amplifier
Repeater Power Supply, configurable Current and voltage output
pdf
1.4 MB
Download
Additional Information
Disposal; Electrical and electronic equipment, Packaging V 1.0.0 pdf
265.8 kB
Download

CAD/CAE - Smart Data

CAD data
3D Download 857-420 URL Download
857-420
02.05.2019Page /12 13
Page 13
Data sheet | Item number:857-420
857-420
Subject to changes.
02.05.2019Page /13 13
Loading...
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use