MC&TT Co., Ltd

Giới thiệu bộ giám sát và điều khiển đèn tháp cảnh báo (Stack Light Monitor) hãng ICP DAS

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Stack Light Monitor

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 an SL-P6R1-WF/SL-PA6R1-WF intelligent module from ICP DAS, 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 SL-P6R1-WF/SL-PA6R1-WF is a stack light monitoring module with Wi-Fi, Ethernet, and RS-485 interfaces. It includes 6-channel DC/AC 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 and current status. The SL-P6R1-WF/SL-PA6R1-WF has WLAN connection which complies with the IEEE802.11b/g/n standards. With the popularity of 802.11 network infrastructure, the SL-P6R1-WF/SL-PA6R1-WF makes an easy way to incorporate wireless connectivity into monitoring and control systems. By integrating the SL-P6R1-WF/SL-PA6R1-WF 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. The SL-P6R1-WF/SL-PA6R1-WF also supports Modbus/TCP and UDP protocols and the network encryption configuration that offer easy and safe access for users from anytime and anywhere.


  • Factory Automation 
  • Machine Automation 
  • Remote Maintenance 
  • Remote Diagnosis 
  • Testing Equipment 
Product Compariso
  ICP DAS Solution (SL series)  Other company’s solution 
Interface RS-485, Ethernet or Wi-Fi RS-485, Ethernet 
SCADA Integration Modbus/RTU, Modbus/TCP Modbus/RTU, Modbus/TCP
IIoT Integration MQTT protocol.
Only sends data when the status changes, meaning that Ethernet bandwidth loading is light.
RESTful protocol.
Continually polls the status, resulting in heavy Ethernet bandwidth loading
Stack Light (DC Type) Yes Yes
Stack Light (AC Type) Yes No (Requires the use of Relays to convert from AC to DC)
Status detection On/Off Yes Yes
Flashing Yes No
MES, ERP Integration Yes
1. Able to configure the status for a maximum of 81 user-defined combinations of multiple color segments. For example:
This function not provided.
2. Able to report the duration of the previous and current status, making it easy to calculate machine utilization for MES, ERP.

Stack Light Monitor

Model Digital I/O Protocol Interface
tSL-P4R1 1 (Power Relay) 4 (DC) Modbus/RTU, Modbus TCP and MQTT RS-485, Ethernet, PoE
tSL-PA4R1 1 (Power Relay) 4 (AC)
SL-P6R1-WF 1 (Power Relay) 6 (DC) Modbus/RTU, Modbus TCP and MQTT RS-485, Ethernet, PoE, Wi-Fi
SL-PA6R1-WF 1 (Power Relay) 6 (AC)
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