Intelligent PDU Modules

2.3  Model selection

• ◆ MK-352 IP stands for intelligent PDU meter head.
• ◆ JSY-MK-352AFE  stands for three-phase four-wire power module.
• ◆ JSY-1073 stands for single-phase power module.
• ◆ JSY-1054 stands for 4-channel relay control module, current specification: 8A (maximum 16A).
• ◆ JSY-1084 indicates 4-channel relay control module, current specification: 20A ( maximum 50A ).

3. Main functions

3.1 Real-time monitoring function

• The display screen can view the monitored total load current, total voltage, total power, total electric energy, power factor, and load current parameters of each independent unit: the content displayed on the LCD screen can be viewed on the Web page, and the closed/open state of each independent unit, temperature/humidity sensor data and operating status can be controlled. 4-channel switch input can be configured by the customer, and there are 2-channel switch output.

3.2 Socket unit control

• ◆ Control the closing and opening of a single relay, or control multiple relays simultaneously.
• ◆ You can set the sequential delay power-on, up to 6 seconds. (This means that when two or more channels are controlled continuously, after the previous channel is completed, you need to wait 6 seconds before the next channel starts to operate.)
• ◆ Each relay can be set to start at a fixed time and date.

3.3 Customized alerts

• ◆ The total load current/voltage over-limit threshold can be customized, the load current over-limit threshold of each socket unit can be customized, and the temperature/humidity over-limit threshold can be customized.
• ◆ The buzzer sounds. an email is sent to the system administrator. SNMP sends a trap alarm status information.

3.4 Master-slave (cascade) communication

• The two interfaces are the same RS485 communication bus, providing two interfaces for easy cascading. RS485 communication cascade can connect up to 4 instruments. Communication cables can use ordinary shielded twisted pair cables. When RS485 communication cables are routed outdoors, attention should be paid to the grounding of the cable shielding layer. The total length of the communication cable should not exceed 1200 meters. The positive and negative polarities of the RS-485 ports of each device must be connected correctly. If the shielded twisted pair cable is long, it is recommended to connect a 120 Ω resistor at the end and reduce the transmission rate to improve the reliability of communication.