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Wago 2857-534
Short description:WAGO’s thermocouple threshold value switch for TC sensors monitors and reports signals of up to two switching thresholds.Features:Both digital signal output and relay with changeover…
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Description
Short description:WAGO’s thermocouple threshold value switch for TC sensors monitors and reports signals of up to two switching thresholds.Features:Both digital signal output and relay with changeover contact react to configured measurement range limits (on/off switching delay and threshold value switch function can be configured with up to two threshold values).Adjustable software filterSafe three-way isolation with 4 kV test voltage per EN 61010-1
Specification
Notes
| Note | This product is powered by 24 VDC, which can be bridged using lateral push-in type jumper bars: (6.1) US+ (BR) and (6.2) GND 2 (BR). With this variant, it is necessary to ensure that the maximum permissible total current of 6 A is not exceeded., Additional setting options via the WAGO Interface Configuration Software |
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Technical data - Configuration
| Configuration options | DIP switch, WAGO Interface Configuration Software |
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Technical data - Input
| Input signal type | TC sensors |
|---|
Technical data - Input (TC sensors)
| Sensor types (TC) | Type J, Type K, Type E, Type N, Type R, Type S, Type T, Type B, Type C |
|---|---|
| Temperature measurement range (TC) | −210 … 1200 °C (Type J), −200 … 1372 °C (Type K) |
| Cold junction compensation | On/Off (Default: On) |
| Cold junction error | 3 K (typ. 2 K ) |
Technical data - Output (digital)
| Switching voltage (DO) max. | Applied supply voltage − 0.3 V |
|---|---|
| Continuous current (DO) max. | 100 mA (no internal restriction) |
| Number of switching thresholds (DO) | 1 or 2 (adjustable) |
| Configurable rise/fall delay time (DO) | 0 … 60 s (via software) |
Technical data - Output (relay)
| Dielectric strength (open contact) (AC, 1 min) | 1 kV<sub>eff</sub> |
|---|---|
| Number of changeover/switchover contacts | 1 |
| Contact material (relay) | AgNi + Au |
| Switching Voltage, Max. | 250 VAC |
| Dielectric strength (open contact) (AC, 1 min) | 1 kVrms |
| Pull-in time (typ.) | 8 ms |
| Drop-out time (typ.) | 4 ms |
| Bounce time (typ.) | 8 ms |
| Number of switching thresholds (relay) | 1 or 2 (adjustable) |
| Configurable rise/fall delay time (relay) | 0 … 60 s (via software) |
| Continuous current (max.) | 6 A |
Technical data - Signal processing
| Software filter (adjustable) | Moving average value (filter level: 30) |
|---|---|
| Hysteresis | Adjustable via DIP switch or software |
| Step response (typ.) | 60 ms (cold junction compensation off), 360 ms (cold junction compensation on) |
Technical data - Measurement error
| Transmission error (max.) | ± 1 K |
|---|---|
| Temperature coefficient | ≤ 0.01 %/K |
Technical data - Power supply
| Power supply type | 24 VDC |
|---|---|
| Nominal supply voltage U<sub>S</sub> | 24 VDC |
| Supply voltage range | ±30 % |
| Current consumption at nominal supply voltage | ≤ 40 mA (+ IDO) |
Safety and protection
| Rated voltage | 300 V |
|---|---|
| Rated voltage of the measurement circuit connections per EN 61010-2-030 | AC 300 V |
| Measurement category per EN/UL 61010-2-030 | CAT II (input) |
| Note on insulation parameters | Temperature sensors must not be used in hazardous circuits unless the external temperature sensors used provide basic insulation in accordance with EN 61010-1 (300 VAC; Overvoltage Category II; Pollution Degree 2). The digital output (DO) operates at the supply potential. |
| Protection type | IP20 |
Safety and protection - Test voltage
| Test voltage (input/relay output/supply) | 4 kVAC; 60 Hz; 1 min |
|---|---|
| Test voltage (input/service interface) | 3 kVAC; 60 Hz; 1 min |
| Test voltage (relay output/service interface) | 4 kVAC; 60 Hz; 1 min |
| Test voltage (supply/service interface) | 2.5 kVAC; 60 Hz; 1 min |
Safety and protection - Insulation coordination (UL)
| Overvoltage category | II |
|---|---|
| Pollution degree | 2 |
| Insulation type (input, supply and service interface/relay output) | Reinforced insulation (safe isolation) |
| Insulation type (input/supply/service interface) | Basic insulation |
Connection data
| Connection technology | Push-in CAGE CLAMP® |
|---|---|
| WAGO connector | picoMAX® 5.0 |
| Solid conductor | 0.2 … 2.5 mm² / 24 … 12 AWG |
| Fine-stranded conductor | 0.2 … 2.5 mm² / 24 … 12 AWG |
| Strip length | 9 … 10 mm / 0.35 … 0.39 inches |
Physical data
| Width | 12.5 mm / 0.492 inches |
|---|---|
| Height | 110 mm / 4.331 inches |
| Depth from upper-edge of DIN-rail | 107 mm / 4.213 inches |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Fire load | 1.573 MJ |
|---|---|
| Weight | 63.9 g |
Environmental requirements
| Ambient temperature (operation) | -40 … +70 °C |
|---|---|
| Ambient temperature (storage) | -40 … +85 °C |
| Temperature range of connection cable | ≥ (Tambient + 10 K) |
| Temperature range of the connection cable (UL) | 80 °C |
Standards and specifications
| Conformity marking | CE |
|---|---|
| EMC immunity to interference | EN 61000-6-2; EN 61326-2-3; EN 50121-3-2 |
| EMC emission of interference | EN 61000-6-4; EN 61326-2-3; EN 50121-3-2 |
| Standards/specifications | EN 61010-1, EN 61373, EN 50121-3-2 |
Commercial data
| PU (SPU) | 1 pcs |
|---|---|
| Packaging type | bag |
| Country of origin | DE |
| GTIN | 4055143242318 |
| Customs tariff number | 90303370000 |
Product Classification
| UNSPSC | 39122331 |
|---|---|
| eCl@ss 10.0 | 27-37-18-10 |
| eCl@ss 9.0 | 27-37-18-10 |
| ETIM 9.0 | EC001446 |
| ETIM 10.0 | EC001446 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| CAS-No. | 1303-86-2, 1317-36-8, 7439-92-1, 75980-60-8, 79-94-7 |
|---|---|
| REACH Candidate List Substance | 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, Diboron trioxide, Lead, Lead monoxide, Perfluorobutane sulfonic acid (PFBS) and its salts, Phosphine oxide, diphenyl(2,4,6-trimethylbenzoyl)- |
| RoHS Compliance Status | Compliant,With Exemption |
| RoHS Exemption | 6(c), 7(a), 7(c)-I, 7(c)-II |
| SCIP notification number (Austria) | 601bb33b-84cc-4805-b720-81f12c38c72c |
| SCIP notification number (Belgium) | 131209b7-ac71-4ce7-9b2f-c117badec519 |
| SCIP notification number (Bulgaria) | 7c391072-6a84-41c0-a488-1eed30619da2 |
| SCIP notification number (Czech Republic) | d1772c11-7a5d-49f4-8bb4-425bbedd445f |
| SCIP notification number (Denmark) | cfa32983-cc33-4189-b84e-a8b7c38e9bcd |
| SCIP notification number (Finland) | 5a251d21-3cd4-4150-8b9a-2dbe4ec1814c |
| SCIP notification number (France) | d428f471-7411-4cc1-9954-e2e708d38bac |
| SCIP notification number (Germany) | b09e21e7-8662-4ee1-ac5a-dcad6c89462f |
| SCIP notification number (Hungary) | 38a2a8e6-be31-466e-a297-d4ed34448198 |
| SCIP notification number (Italy) | 76a372f1-e64e-48fc-aa2a-513cbdd7d1f7 |
| SCIP notification number (Netherlands) | c7fe09a0-961d-444e-bccb-b777383080e3 |
| SCIP notification number (Poland) | ef7bea4e-4cc5-4c67-a93e-8f9ee40db738 |
| SCIP notification number (Romania) | 2fa777e0-ce5b-4d0f-9b8d-8e5b77843923 |
| SCIP notification number (Sweden) | 6bc78593-b9a6-44e7-b529-4a5eada11443 |
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