Control System

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Control System

System Configuration System Integration Control System

PCU-PSD Central Interface Unit
Description Function
pcu PCU controls and monitors all PSD systems. PCU interfaces with all external systems, signaling system, SCADA, communication system, CCTV system. Interface with all external systems, signaling system, SCADA, communication system and CCTV system
– PSD controlling and monitoring
– PSD status indication on lamps
– PSD status information, recording, storage
* Controlled by hardwire, serial
LCP-Local Control Panel-Platform Operator
Description Function
lcp LCP is to be installed in between platform units.
LCP is controlled and monitored by platform supervisors or any authorities.
LCP is interfacing with PCU.
- Interface with PCU
– Manual PSD opening/closing
– PSD status indication on lamps
– PSD status monitor
* Controlled by hardwire, serial
LCP-local Control Panel-Rolling Stock Operator
Description Function
lcp LCP is to be installed in between platform units.
LCP is controlled and monitored by rolling stock operators.
LCP is interfacing with PCU.
- Interface with PCU
– Manual PSD opening/closing
– PSD status indication on lamps
– PSD status monitor
* Controlled by hardwire, serial
DCU-Door Control Unit
Description Function
DCU DCU is to be installed each PSD unit.
DCU receives and transmits controlling signal with PCU.
DCU controls PSDs automatically.
DCU controls PSDs manually in case of obstacle detection.
DCU controls PSDs manually in case of malfunction or maintenance.
- Interface with PCU
– Manual PSD opening/closing
– PSD status indication on lamps
– PSD status monitor
* Controlled by hardwire, serial and RS-232
HMI-Human Machine Interface
Description Function
hmi HMI is installed in very front of a platform or just right side of the cab door to monitor the right stop position of rolling stock and each PSD status in visual graphic.
Rolling stock operator can observe the status of system by the monitor.
- Displaying rolling stock right stop position
– PSD status monitoring
UPS-Uninterrupted Power Supply
Description Function
ups UPS is supplied by station power facility.
UPS converts the power for PSD System.
Using UPS batteries, PSD can be operated without power supply within a certain period of time.
- Converting main power for PSD System
– Supplying powers within a certain period of time in blackout
– Interface with PCU

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