Home > Products > SIEMENS > SIMATIC S7 Series
Product Name:ELECTRONIC SUBMODULE
Brand Name:Siemens
Model Number:6ES7123-1GB00-0AB0
Country of Origin:Germany
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Siemens |
Model Number: |
6ES7123-1GB00-0AB0 |
Country of Origin: |
Germany |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Manufacturer |
Siemens |
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Catalog Number |
6ES7123-1GB00-0AB0 |
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Product Type |
Analog Electronic Submodule |
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System Compatibility |
SIMATIC ET 200L-SC / ET 200S |
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Input Channels |
2 analog current inputs |
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Input Ranges |
4 – 20 mA, ±20 mA |
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Input Resistance |
50 Ω |
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Destruction Limit (Current) |
40 mA (permanent) |
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Resolution |
±20 mA: 13 bits; 4 – 20 mA: 12 bits |
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Measurement Principle |
Integrating |
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Conversion Time |
55 / 65 ms (basic) |
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Integration Time |
50 / 60 ms |
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Interference Suppression |
50 / 60 Hz |
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Smoothing |
4 stages via digital filtering (1×, 8×, 64×, 128× cycle time) |
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Supply Voltage |
24 V DC |
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Reverse Polarity Protection |
Yes |
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Current Consumption (L+) |
30 mA max |
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Power Loss |
0.6 W typical |
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Cable Length (shielded, max) |
200 m |
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Linearity Error |
±0.05 % |
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Temperature Error |
±0.01 %/K |
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Repeat Accuracy (25°C) |
±0.1 % |
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Operational Error Limit |
±1 % |
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Basic Error Limit (25°C) |
±0.8 % |
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Common Mode Rejection |
90 dB |
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Series Mode Rejection |
70 dB |
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Isolation (Channels to Backplane) |
1500 V AC |
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Dimensions (W×H×D) |
10 × 64 × 51 mm |
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Weight |
Approx. 20 g |
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Mounting |
Requires TB 16SC terminal block |
The Siemens 6ES7123-1GB00-0AB0 is a two‑channel analog electronic submodule for the SIMATIC ET 200L‑SC and ET 200S distributed I/O systems. This 6ES7123‑1GB00‑0AB0 module provides two current inputs supporting 4‑20 mA and ±20 mA ranges, delivering 12‑ to 13‑bit resolution. The Siemens 6ES7123‑1GB00‑0AB0 features integrating measurement with 50/60 Hz interference suppression and four‑stage digital smoothing. With a compact 10 mm width and lightweight design, the 6ES7123‑1GB00‑0AB0 enables space‑efficient expansion of analog I/O capabilities in industrial automation applications.
Process Automation – Monitoring 4‑20 mA signals from pressure, temperature, and flow transmitters in chemical and pharmaceutical plants
Machine Building – Acquiring analog signals from sensors in packaging, material handling, and assembly equipment
Distributed I/O Systems – Expanding analog input capabilities in ET 200L‑SC / ET 200S networks
Factory Automation – General‑purpose analog signal acquisition in manufacturing environments
Retrofit Projects – Replacing or upgrading existing analog input modules in SIMATIC S7 systems
2 Analog Current Inputs – Supports 4‑20 mA and ±20 mA ranges
High Resolution – 13 bits for ±20 mA, 12 bits for 4‑20 mA
Integrating Measurement Principle – Provides stable readings with 50/60 Hz noise rejection
Four‑Stage Digital Smoothing – Parameterizable filtering (1×, 8×, 64×, 128× cycle time)
24 V DC Operation – With reverse polarity protection
Compact 10 mm Width – Ideal for high‑density I/O configurations
Low Power Consumption – 30 mA current draw, 0.6 W typical power loss
1500 V AC Isolation – Between channels and backplane bus
ET 200L‑SC / ET 200S Compatibility – Requires TB 16SC terminal block
The 6ES7123‑1GB00‑0AB0 serves as a two‑channel analog current input interface within the ET 200L‑SC distributed I/O system. Each channel accepts a 4‑20 mA or ±20 mA current signal from field transmitters (2‑wire or 4‑wire). The module converts the analog input through an integrating A/D converter with programmable integration time (50/60 ms), providing effective suppression of power‑line interference.
Four selectable smoothing stages allow users to balance response time against noise immunity. The module supports both 2‑wire and 4‑wire transmitters; 2‑wire devices require an external transmitter supply. A shielded cable up to 200 m can be used for field wiring. The module operates on a 24 V DC supply with reverse polarity protection and draws up to 30 mA.
Installation requires a TB 16SC terminal block for mechanical and electrical connection. The module is configured via TIA Portal or STEP 7. Channel‑to‑backplane isolation is rated at 1500 V AC, and the module carries CE, UL, and CSA approvals. All channels share a common reference potential (no channel‑to‑channel isolation).
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Item |
Description |
Part Number / Reference |
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Analog Electronic Submodule |
2 AI, 4-20 mA / ±20 mA |
6ES7123-1GB00-0AB0 |
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Terminal Block |
TB 16SC (required for module mounting) |
TB 16SC |
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Base Unit |
ET 200SP BaseUnit for mechanical/electrical connection |
Various (see ET 200SP system manual) |
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Interface Module |
ET 200L-SC / ET 200S communication interface |
Various |
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Shielded Cable |
For analog signal wiring (max 200 m) |
User-supplied |
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