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PRODUCT DESCRIPTION
Thermocouple acquisition with external reference-junction compensation
Siemens 6ES7134-4JB00-0AB0 is a two-channel Standard thermocouple input module for SIMATIC ET 200S. It measures nine documented thermocouple types or ±80 mV signals, with characteristic linearization and 15-bit resolution plus sign. The module uses an external reference-junction compensation arrangement when required.
Integrating conversion, configurable smoothing and readable diagnostics support temperature-signal acquisition. The module has no internal temperature compensation, and its channels are not individually isolated. Correct sensor polarity, reference potential and compensation configuration are therefore essential when installing or replacing it in an existing station.
Integrating conversion, configurable smoothing and readable diagnostics support temperature-signal acquisition. The module has no internal temperature compensation, and its channels are not individually isolated. Correct sensor polarity, reference potential and compensation configuration are therefore essential when installing or replacing it in an existing station.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Industrial Production and Service Sectors
These industry examples describe Siemens' broader market coverage, not verified installations of this exact product. Product suitability depends on the documented configuration and engineering requirements.
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01 · WATER & WASTEWATER
Drinking Water and Wastewater Services
Drinking water production for public and community supply services.Wastewater treatment serving households, communities and industrial water users. -
02 · PLASTICS PROCESSING
Molded Plastic Products
Injection molding for plastic product manufacturing across industrial markets.Blow molding within the wider plastic product manufacturing industry. -
03 · FOOD & BEVERAGE
Edible Oil and Sugar Production
Edible oil production and processing across the food manufacturing sector.Sugar manufacturing and processing within the commercial food industry.
Technical specifications for 6ES7134-4JB00-0AB0
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Product Model6ES7134-4JB00-0AB0
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Product ParametersStandard Thermocouple Input Module
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ManufacturerSiemens
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Analog input channels2 for thermocouples or millivolt signals
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Thermocouple typesB, E, J, K, L, N, R, S and T with characteristic linearization
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Voltage measuring range±80 mV
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Resolution15 bits plus sign, including overrange
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Input resistanceMinimum 1 Mohm
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Input address allocation4 bytes
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Rated load supply24 V DC from power module; reverse-polarity protection
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Load-supply current consumptionMaximum 30 mA
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Power dissipationTypically 0.6 W
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Conversion time55 ms/channel at 60 Hz or 65 ms/channel at 50 Hz; wire-break testing adds 20 ms
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Digital smoothingTime constants of 1, 4, 32 or 64 module cycles
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Cold-junction compensationNo internal compensation; external box or documented same-station RTD compensation
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Electrical isolationFrom backplane and load supply; not between channels
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Common-mode limit2 V AC peak-to-peak between inputs and MANA
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Signal diagnosticsGroup, overflow/underflow and thermocouple-only wire-break diagnostics; red SF LED
View all additional
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
ET 200S STANDARD THERMOCOUPLE INPUTS
Configure the sensor and reference junction as one measurement chain
Select the exact thermocouple characteristic or the documented ±80 mV voltage mode for each active input. The 4JB00 occupies four input bytes and provides linearization for its nine listed thermocouple types. Check polarity and use the manufacturer-specified extension materials up to the reference junction; the terminal module and MANA wiring must match the installed Standard module.
This module has no internal cold-junction compensation. A compensating box requires the specified reference temperature, isolated supply and filtering, while RTD-based compensation requires coordinated TC, interface and RTD settings. The reference sensor must follow the actual junction temperature. Include the compensating device or RTD input error in the measurement assessment instead of treating the TC module's own error as the complete channel accuracy.
Conversion takes 55 or 65 ms per channel according to the interference-frequency setting, with another 20 ms when wire-break testing is active. The module cycle follows active-channel count, and smoothing uses one, four, 32 or 64 cycles. Wire-break testing is valid only for thermocouples; enabling it in voltage mode can prevent startup through a parameter-assignment error.
Features:
- Exact sensor-characteristic selection
- External reference-junction coordination
- Diagnostic-aware conversion timing
The Siemens 6ES7134-4JB00-0AB0 requires the documented hardware configuration, installation conditions and interface arrangement to be verified before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Confirm 6ES7134-4JB00-0AB0, the terminal module and the existing compensation method before selecting a spare. A similarly named TC High Feature module or later suffix does not prove identical reference-junction handling. Preserve the actual sensor type and installed circuit; no verified current lifecycle date or unconditional successor substitution is established by the sources used here.
Retain the reference-junction selection and its interface assignment, not just the channel's thermocouple type. Where a Pt100 supplies compensation, verify the configured slot and channel, thermal contact and wiring arrangement. Where a compensating box is used, preserve its specified reference and supply conditions. A plausible room-temperature reading alone does not establish correct compensation throughout the operating range.
Follow the supported ET 200S removal procedure and preserve mechanical coding for a same-type replacement. Recheck MANA, sensor polarity, shielding and unused-channel jumpers before restoring service. After conversion begins, inspect SF and diagnostic information, then verify a known signal with the correct compensation conditions. Do not accept a startup or deactivated-channel 7FFFH code as a temperature measurement.
Features:
- Exact Standard-module identity
- Compensation configuration retained
- Reference and diagnostic verification
The Siemens 6ES7134-4JB00-0AB0 requires replacement verification based on its complete order number, installed hardware, signal configuration and project documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.Features:
- Exact-model manufacturer data and relevant original manual pages
- Original terminal diagrams, configuration details and manufacturer safety context
- Accessories and supplied documentation follow the written quotation
Documentation for the Siemens 6ES7134-4JB00-0AB0 includes an independent technical summary and selected original manufacturer pages; check the applicable document edition against the delivered product and approved installation documentation.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8538900000
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OriginConfirm supplied-unit origin
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7134-4JB00-0AB0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Does the 4JB00 provide internal cold-junction compensation?
No. Its exact technical data says internal temperature compensation is not possible. Use the documented external compensating-box arrangement or a reference temperature acquired by an appropriate RTD module in the same ET 200S station, with coordinated configuration. -
Can this module measure ±500 mV or ±1 V?
The exact 4JB00 manual and the datasheet's input-range section support ±80 mV. A later datasheet parameter line lists additional ranges inconsistently; those entries are not a basis for using a larger voltage range on the 4JB00. Verify a different order number separately. -
Can wire-break diagnostics be enabled in voltage mode?
No. The thermocouple parameter table restricts wire-break testing to thermocouples. Siemens states that enabling it in the voltage range produces a parameter-assignment error and prevents module startup. Check the measurement mode and diagnostic enable together. -
What changes the acquisition cycle?
The cycle depends on active-channel count and conversion time. Basic conversion is 55 ms at 60 Hz or 65 ms at 50 Hz, and enabled wire-break testing adds 20 ms. Digital smoothing adds its own response time and should be selected for the application. -
How should a shared RTD reference be configured?
Coordinate the TC reference-junction setting with the interface module and the selected RTD slot/channel. The documented example uses a Pt100 climatic-range measurement; the reference must have good thermal contact with the junction, and the RTD sensor and input errors contribute to the total measurement error. -
What should be done with an unused channel?
Deactivate it and fit the jumpers specified for the 2AI TC Standard terminal arrangement. A deactivated channel returns 7FFFH and the module cycle is halved. Do not copy the different jumper pattern used by RTD or High Feature TC modules.
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