tSL-P4R1 Single Stack Light (DC-type) Monitoring Module


  • Able to detect the status of each color segment: ON, OFF, or Flashing
  • 6 channel DC digital input and 1 channel alarm relay output
  • Compatible with IEEE802.11b/g/n standards
  • Support infrastructure and limit-AP modes for wireless networks
  • Status monitoring for user-defi ned combinations of multiple color segments
  • Reports the duration of the previous status
  • Supports Modbus RTU, Modbus TCP and MQTT protocols
  • Includes RS-485/Ethernet communication interfaces
  • Includes redundant power inputs: PoE (IEEE 802.3af, Class 1) and DC input
  • Web-based confi guration interface and fi rmware update via Ethernet
  • Relay output for alarm devices


The main purpose of managing machine status is to reduce the amount of downtime and to reduce production costs. The easiest way to achieve this is by installing a tSL-P4R1 intelligent module from ICPDAS, which monitors the output of the machine’s indicators without affecting the operation of the equipment, thereby enabling the current operation stage of the machine to be mastered and ensuring timely command of the logistics system support in order to achieve production goals.

The tSL-P4R1 is a stack light monitoring module which includes 4-channel DC digital input and 1-channel relay output that can be used to monitor the status of the stack light of the MES (Manufacturing Execution System) machine. The module can be used to detect the status of each color segment of the stack light as being either OFF, ON, or flashing. In addition to detecting the status of each individual color segment, the status of the combination of multiple color segments can also be defined, including the ability to report the duration of the previous status. By integrating the tSL-P4R1 module into your system, it is easy to implement stack light status monitoring on an MES via SCADA software to improve machine utilization and throughput.


  • Factory Automation
  • Machine Automation
  • Remote Maintenance
  • Remote Diagnosis
  • Testing Equipment