Product Overview
When precise analog output is critical for process control, the Siemens 6ES7135-4MB01-0AB0 High Feature analog electronic module delivers reliable, accurate signals. This 2-channel current output module supports ±20 mA and 4-20 mA ranges with 15-bit resolution plus sign, making it ideal for applications requiring tight regulation. Its galvanic isolation and isochronous operation ensure consistent performance in demanding industrial environments.
Technical Specifications
The following key parameters from the Siemens 6ES7135-4MB01-0AB0 define its capabilities:
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Outputs: 2 analog current outputs
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Output ranges: ±20 mA (16-bit resolution including sign) / 4-20 mA (15-bit resolution)
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Conversion time: max. 1.0 ms per channel
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Settling time: 0.25 ms (resistive load), 1.0 ms (capacitive), 0.5 ms (inductive)
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Operational limit: ±0.07 % at 250 Ω load impedance (25°C: ±0.03 %)
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Isolated channels: Galvanic isolation between channels and backplane bus as well as power supply
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Diagnostics: Red SF LED, readable diagnostic information, substitute values parameterizable
Industry Applications
The Siemens 6ES7135-4MB01-0AB0 excels in precision analog control loops. Typical applications include:
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Process valve positioning: The fast settling time (0.25 ms resistive) and low linearity error (±0.02 %) enable accurate control of hydraulic or pneumatic actuators, minimizing overshoot and improving cycle time.
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Dosing systems: With repeatability of ±0.01 % and crosstalk >60 dB, the module maintains consistent output even in multichannel setups, reducing material waste.
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Machine tool feedback: Isochronous operation (TDPmin 3.75 ms) synchronizes output updates with the control cycle, ensuring tight coordination in high-speed automation.
Installation & Setup Guidance
Mount the Siemens 6ES7135-4MB01-0AB0 on a suitable terminal module (dimensions 15 x 81 x 52 mm). Note that terminals 4, 8, A4, A8, A3 and A7 are only available on specified terminal modules. Use shielded cable up to 200 m for optimal noise immunity. Connect actuators using two-wire configuration for current outputs. Ensure the rated supply voltage L+ is 24 VDC with reverse battery protection. The module draws max. 150 mA from L+ and dissipates up to 2 W.
Maintenance & Reliability
Diagnostics are built into the Siemens 6ES7135-4MB01-0AB0 via the red SF group error LED and readable diagnostic information. Substitute values can be parameterized to maintain outputs during communication faults. The module withstands insulation testing at 500 VDC and permissible potential differences up to 75 VDC / 60 VAC. Regular inspection of terminal connections and cable shielding ensures long-term accuracy. The compact weight (approx. 40 g) and robust design support extended service life in harsh environments.
Selection Guide & Purchasing Advice
Before ordering, verify that your terminal module is compatible with the required terminals. The Siemens 6ES7135-4MB01-0AB0 is a high-feature module suitable for applications demanding precision and isolation. For reliable sourcing, consider PLC Source PRO (available at ubest101.myshopify.com) – a trusted supplier of genuine industrial automation spares.