The Siemens 6ES7132-4HB12-0AB0 is a 2-channel relay output module for ET 200S systems. It supports 5A switching for AC/DC loads with changeover contacts.
The Siemens 6ES7132-4HB12-0AB0 is a specialized digital electronic module designed for the SIMATIC ET 200S distributed I/O system. This unit features two relay channels with changeover (CO) contacts. These contacts allow for versatile switching of both alternating and direct current loads. Consequently, the module serves as an essential interface between low-level PLC logic and high-power field devices. Its narrow 15mm width enables high-density mounting on a terminal module.
Industrial applications often require the control of various actuators like contactors, small motors, and lamps. This relay module excels in such environments by providing high switching capacities. Furthermore, the integrated “substitute value” function increases plant safety. This feature allows the outputs to assume a pre-defined state if communication with the controller fails. This functionality prevents unpredictable machine behavior during network interruptions.
| Feature | Detailed Specification |
| Brand | Siemens |
| Order Number | 6ES7132-4HB12-0AB0 |
| Module Type | Digital Output (Relay) |
| Output Quantity | 2 Changeover (CO) Contacts |
| Voltage Range (DC) | 24V to 48V DC |
| Voltage Range (AC) | 24V to 230V AC |
| Continuous Thermal Current | 5.0 Amperes per channel |
| Width | 15 mm |
| Weight | Approximately 0.05 kg (net) |
| Country of Origin | Germany |
The module handles a broad voltage spectrum ranging from 24V DC up to 230V AC. Each of the two channels supports a continuous current of 5A. Therefore, users can control diverse equipment without using external interposing relays. This direct control capability reduces wiring complexity and saves valuable cabinet space. The changeover contact design also facilitates both normally open and normally closed logic.
This electronic module communicates via the PROFIBUS or PROFINET interface through the ET 200S head station. Because it belongs to the bit-modular ET 200S family, it allows for granular system expansion. The hardware supports diagnostic functions that help identify operational status. Furthermore, the galvanic isolation between the internal bus and the load circuit protects sensitive electronics. This isolation ensures that field-side transients do not damage the central controller.
The compact form factor allows for efficient use of DIN rail space in control panels. It snaps easily onto the standard ET 200S terminal modules. Moreover, the modular design simplifies maintenance by allowing “hot swapping” under specific conditions. Technicians can replace the electronic module without disturbing the permanent terminal wiring. This design significantly reduces downtime during routine service or hardware upgrades.
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