The Hikvision DS-PM1-O4L-H is a wired 4-way low current relay expander designed for the AX Hybrid Pro control panel. It connects directly to a 6–30V source and opens or closes circuits via Speed-X communication. Each onboard relay supports up to 5A, making it suitable for automation, signaling, and device triggering in professional security systems.
Key Features
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4 On-board Relays: Supports 6–30V, each handling up to 5A current.
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Dedicated Power Output: Provides one output with a maximum of 500 mA.
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Speed-X Technology: Includes 1 uplink and 1 downlink Speed-X port, supporting cascading expanders.
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Tamper Protection: Built-in protection from both front and rear against unauthorized access.
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LED Indicators: Includes one Power LED and one Fault LED for quick status monitoring.
Downloads
Perfect For:
- Residential villas
- Retail shops
- Small offices
- Hotels and hospitality
- Medium-sized commercial sites
Installer Tips
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Cascading: Use the uplink and downlink Speed-X ports to connect multiple expanders in a chain.
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Relay Usage: Each onboard relay supports up to 5A; plan connected devices accordingly.
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Power Output: Use the dedicated 500 mA output for wired devices to avoid overloading external supplies.
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Tamper Switch: Ensure both front and rear tamper switches are seated properly during installation.
Quick-Read Specs
| Specification |
Detail |
| Relay Capacity |
4 × low current relays, up to 5A |
| Power Supply |
11–24 VDC, 1A |
| Power Consumption |
Max: 153 mA @ 12 VDC; Quiescent: 70 mA @ 12 VDC |
| Output Current |
Max 500 mA |
| Output Voltage |
9–12 VDC |
| Bus Interface |
2 × Speed-X (1 uplink for panel, 1 downlink for cascade) |
| Serial Port |
1 × TTL |
| Indicators |
1 × Power LED, 1 × Fault LED |
| Dimensions (W × H × D) |
110 × 155 × 32.5 mm |
| Weight |
285 g |
| Material |
Plastic |
| Operating Temperature |
-10 °C to +40 °C |
| Operating Humidity |
10% to 90% (non-condensing) |
Extra Info
Reliable Expansion
The DS-PM1-O4L-H is designed to expand the output capabilities of the AX Hybrid Pro system, adding four additional relays to support a wide range of connected devices. From activating external sirens and strobes to controlling automation circuits or low-current modules, this expander ensures that installers and end-users can customize their security and automation setup with ease. Its versatility makes it suitable for both residential and commercial projects where system scalability is a priority.
Speed-X Communication
Equipped with dual Speed-X ports, the module delivers fast, stable, and interference-resistant communication with the control panel. The daisy-chain capability allows multiple expanders to be connected in series, supporting larger and more complex installations without compromising reliability. This ensures seamless integration and consistent performance across extended systems.
Dedicated Power Output
For greater convenience, the DS-PM1-O4L-H features a built-in 500 mA auxiliary power output, providing a stable and reliable power source for wired devices. This eliminates the need for an external supply in many applications, simplifying installation and reducing overall system costs.
Secure and Durable
Security is enhanced with front and rear tamper protection, ensuring the device cannot be opened or removed without triggering an alert. During installation and maintenance, onboard LED indicators provide clear feedback on status and activity, streamlining setup and troubleshooting. Built with durability in mind, the expander is engineered to perform reliably in demanding environments.
Q&A
Q1: How many relays does this module provide?
A: The DS-PM1-O4L-H provides 4 onboard low current relays, each supporting up to 5A.
Q2: Can I cascade multiple relay expanders?
A: Yes, the Speed-X uplink and downlink ports allow cascading of multiple units for system expansion.
Q3: What is the dedicated power output used for?
A: The expander provides one 500 mA output for powering wired devices such as detectors or modules.
Q4: What power supply is required?
A: The module operates on 11–24 VDC (typical 12 VDC).
Q5: Is this module suitable for commercial installations?
A: Yes, it is designed for residential, small office, retail, hotel, and medium-sized commercial sites.
