DS-PM501Z8T4 - The expansion module is an advanced solution for wired security systems, designed to expand the functionality of control panels with 8 zone inputs for intrusion detection and 4 programmable PGM outputs , ideal for flexible system management. It integrates a half-duplex RS-485 bus extender that allows communication extension over long distances, as well as a 12V AUX output for sensor power . Compatible with a wide range of third-party wired detectors, it offers simple installation and high reliability for professional indoor applications. Hikvision
DS-PM501Z8T4 – EXPANSION MODULE

The Hikvision DS-PM501Z8T4 expansion module is designed to enhance intrusion detection systems with 8 zone inputs for intrusion detection and 4 programmable PGM outputs , offering maximum flexibility in system management. It integrates a half-duplex RS-485 bus with bus extender function to extend communication over long distances, as well as a 12V AUX output for powering sensors up to 500 mA . Compatible with numerous third-party wired detectors, it guarantees reliable performance and easy installation in professional indoor environments.
Main features:
- 8 zone inputs for high reliability intrusion detection
- 4 programmable PGM outputs for automation and device control
- RS-485 bus with extender function for communication extension
- AUX output 12V 500 mA for powering detectors
- Compatibility with third-party wired sensors
- Wall installation and professional indoor use
Further details
It has 4 programmable PGM outputs (Z5–Z8) that allow the control of external devices and automations , offering operational flexibility and advanced customization of the system.
Technical data sheet
| DS-PM501Z8T4 | |
| Inputs (Zones) | |
| Max. Zones | 8 |
| On-board zones | 8 |
| Outputs | |
| Max. outputs | 4 |
| On-board PGM outputs | 4 (Z5~Z8 programmable) |
|
Bus interconnection |
|
| Bus extender | Yes |
| Bus technology | Half-Duplex RS-485 |
| Bus wiring | 4-Core Alarm Cable (at least 2 × 0.5 mm² + 2 × 0.22 mm²) |
| Power supply - general | |
| Input voltage | 12 VDC nominal (9~16 VDC), powered by bus |
| Quiescent current | 80 mA @12VDC |
| Max. current | 150 mA @12VDC |
| Power supply - auxiliary power output | |
| Output capacity | 12VDC nominal (9~16 VDC), 500mA |
| Output protection | 500 mA PPTC |
| PGM output | |
| Output capacity | 0 VDC with switched (NPN output) |
| Max. current | 200 mA per output |
| Environmental | |
| Operating temperature | -10°C to 50°C (14°F to 122°F), indoor use only |
| Storage temperature | -20°C to 60°C (-4°F to 140°F) |
| Relative humidity | 10% ~ 90% non-condensing |
| Physical | |
| Dimensions (W × H × D) | 110 × 155 × 31 mm |
| Weight | 225 g |
| Tamper-proof | Front and Rear |
| Installation method | Wall mount |
| Compliance | |
| Electrical compliance | CE, CB |
| EN 50131 | Security Grade 2, Environmental Class II |


