6ES7135-6GB00-0BA1 Siemens Analog Output Module

Product Overview

The Siemens 6ES7135-6GB00-0BA1 is a 2-channel analog output module for the SIMATIC ET 200SP distributed I/O system. It provides 2 current outputs (4–20 mA) with 16-bit resolution for driving actuators, valve positioners, and VFD speed references. The standard (ST) functionality delivers reliable, cost-effective analog control for general-purpose process applications.

Key Specifications

• Module Type: Analog Output (AO), Standard
• Number of Outputs: 2 channels
• Output Type: Current (I)
• Output Ranges: 0–20 mA, 4–20 mA
• Resolution: 16 bits
• Conversion Time: 50 ms per channel
• Load Impedance: Max. 500 Ω (current output)
• Wire-Break Monitoring: Yes, for 4–20 mA
• Short-Circuit Protection: Yes
• Isolation: Galvanic isolation
• Base Unit Type: A0 or A1
• Power Loss: Typ. 0.6 W

Compatibility & Applications

Compatible with ET 200SP IM155-6 interface modules and BaseUnits A0/A1. Ideal for valve positioner control, VFD speed reference, heater power modulation, damper actuator driving, and general 4–20 mA process control loops in manufacturing, HVAC, and water treatment systems.

FAQ

• Q: Can this module output voltage signals? A: No, 6ES7135-6GB00-0BA1 is current output only (0–20 mA, 4–20 mA). For voltage outputs, use 6ES7135-6FB00-0BA1 (2 AO, U).
• Q: Does it support HART pass-through? A> No, this is a standard analog output. For HART-enabled outputs, select ET 200SP HART AO modules.
• Q: What is the maximum load resistance? A> 500 Ω maximum for current outputs. Verify your actuator/input impedance is within this limit.
• Q: Can outputs be forced to a safe value on CPU stop? A> Yes, configurable substitute values (hold last value, preset value, or zero) can be set per channel for CPU stop/fault conditions.

Installation Guide

1. Install BaseUnit BU15-P16+A0+2B (or A1) on the ET 200SP DIN rail.
2. Insert 6ES7135-6GB00-0BA1 into the BaseUnit.
3. Connect 4–20 mA actuators to the push-in terminals, observing polarity.
4. Configure output ranges, substitute values, and wire-break monitoring in TIA Portal.
5. Test each output with a calibrated current loop meter.

Selection Tips

• Use 6ES7135-6GB00-0BA1 for 2-channel 4–20 mA current output applications.
• For 4-channel density, use 6ES7135-6HD00-0BA1 (4 AO, U/I).
• For voltage output (±10 V, 0–10 V), use 6ES7135-6FB00-0BA1 instead.
• For high-speed analog control, consider High Feature AO modules with faster update rates.