The ARMATURA AHEB-0808 Horizon I/O Expansion Board is a versatile and scalable solution designed to enhance the capabilities of your access control system. This expansion board provides 8 supervised inputs and 8 relay outputs, allowing for seamless integration with various security devices such as sensors, alarms, and emergency systems.ZKTeco USA, Protection, multifamily+2Mega Depot+2Mega Depot+2
Built to support both RS-485 and OSDP V2.2 communication protocols, the AHEB-0808 ensures secure and efficient data transmission between connected devices. Its universal voltage input range of 12–24 VDC ±20% makes it compatible with a wide array of installations, eliminating the need for additional power adapters. The board also features programmable input states and time zone management, offering flexibility in configuring your security system to meet specific requirements.ZKTeco USA, Protection, multifamily+5ZKTeco USA, Protection, multifamily+5ZKTeco Hong Kong+5ZKTeco Hong Kong+3Mega Depot+3ZKTeco USA, Protection, multifamily+3
| Feature | Description |
|---|---|
| Scalability | Supports up to 384 inputs and 385 outputs with a single AHDU controller. |
| Supervised Inputs | Equipped with 8 supervised inputs to detect circuit anomalies. |
| Relay Outputs | Provides 8 relay outputs for controlling external devices. |
| Communication Protocols | Supports RS-485 and OSDP V2.2 for secure data transmission. |
| Universal Voltage Input | Operates within a 12–24 VDC ±20% input range. |
| Programmable Inputs | Allows configuration of input states and time zones. |
| Specification | Detail |
|---|---|
| Model | AHEB-0808 |
| Inputs | 8 supervised inputs (AUX IN) |
| Outputs | 8 relay outputs (AUX OUT) |
| Power Input | 12–24 VDC ±20%, 550 mA maximum |
| Communication Protocol | RS-485 / OSDP V2.2 |
| Relay Type | 8 Form-C dry contact relays |
| Input Supervision | 4-state supervision (In-Active, Active, Short, Open) |
| Time Zone Management | Programmable input states with time zone support |
| Dimensions | 7.6" W x 4.6" L x 0.7" H (193 x 116 x 17.5 mm) |
| Weight | 5.8 oz (165.3 g) |
| Operating Temperature | -30°C to 70°C |
| Humidity | 0–95% RH (non-condensing) |
| Certifications | CE, FCC, RoHS, UL294 |
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Our products are covered by a manufacturer’s warranty ranging from 6 months up to a lifetime, subject to the specific item. For detailed warranty information, kindly enquire with our support team.
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