Description
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Description
StamPLC AC is an AC relay expansion module compatible with the StamPLC host. The module integrates AC load control and entire system power supply functions, effectively simplifying power wiring during application development. It features a contact-type relay (single-pole single-throw – normally open), supporting up to AC 240V@10A line switching. It also includes a built-in AC-DC isolated conversion circuit supporting AC 100 ~ 240V input, capable of simultaneously powering the relay load and providing a stepped-down DC 12V output for the main system. A programmable tri-color RGB LED is available for working status indication. The StamPLC controller communicates via the I2C protocol using an IO expansion chip to control the relay and RGB LED, effectively saving IO resources. This module is ideal for industrial-level applications such as AC load switching and solenoid valve control.
Features
- Integrated power supply and control for simplified wiring
- Contact-type relay
- Built-in AC-DC isolated conversion circuit supporting AC 100 ~ 240V wide voltage input
- Programmable tri-color LED for status indication
- I2C protocol control
- DIN rail / mounting hole installation
- Development Platform
- Arduino
- UiFlow2
Includes
- 1 x StamPLC AC
- 2 x Fixed connectors
Applications
- AC/DC load ON/OFF control
- Solenoid valve control
- Remote control of industrial equipment
Specifications
| Specification | Parameter |
|---|---|
| AC-DC Conversion Module | Built-in AC-DC isolated conversion circuit (WCAL12-S12CA) Output power: DC 12V@1A (12W) |
| Relay | HF3FF/005-1HTF, 1-channel AC relay |
| Insulation Resistance | 100MΩ (DC 500V) |
| Contact Rating | Capacity: AC 240V@10A Lifespan: ≥100,000 cycles (AC resistive load) Dielectric Strength: AC 1500V 1min |
| Operate Time | ≤10ms |
| Release Time | ≤5ms |
| Interface Type | 2 × 8P 2.54mm female/male header, KF128-2P 5.0mm |
| Input Voltage | AC 100 ~ 240V |
| IO Expansion Chip | PI4IOE5V6408 I2C@0x44 |
| RGB LED | 1 × NH-B2020RGBA-HF |
| Installation Method | DIN rail / mounting hole |
| Product Size | 80.5 x 50.5 x 27.1mm |
| Product Weight | 73.6g |
| Package Size | 82.0 x 60.0 x 28.0mm |
| Gross Weight | 80.9g |
Power Supply Instruction When using the input power of StamPLC AC to provide power for the entire system, the AC-DC circuit will step down to DC 12V for the system power supply. In this case, do not connect any additional power sources other than DC 12V at the StamPLC side simultaneously, otherwise device damage may occur. 
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