Alive check for built-in Ethernet port LCPU

When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An alive check message is sent five seconds... More Details >>

Cable length to connect to built-in Ethernet port in LCPU

The maximum length between a hub and a node is 100 m. The max. length connectable to a hub is 200m.When repeater hubs are used in cascade connection, the max... More Details >>

Number of points used for I/O assignment of L26CPU-(P)BT built-in CC-Link function

It is fixed to 32 points from 10 to 2F. More Details >>

Loop disconnection detection function and heater disconnection detection function of temperature control module

The heater disconnection detection function monitors the heater current on the transistor output. If no current flows when the transistor is ON, it is consi... More Details >>

Versions of LCPU compatible with LJ71E71-100

The L series CPU serial numbers with upper 5 digits of "14112" or later indicate compatibility with LJ71E71-100. More Details >>

Behavior of sequence program in event of momentary power failure in LCPU

(1) When it happened no longer than the allowable momentary power failure time. The module records an error log and suspends the operation processing. Ho... More Details >>

LCPU internal clock synchronization

Use the time setting function to synchronize the internal clock. More Details >>

Simultaneous use of simple PLC communication function and socket communication

The socket communication can be used simultaneously with the simple PLC communication function. More Details >>

Communication data code of the MC protocol for the built-in Ethernet port in LCPU

The communication data code is selectable by the communication data code setting in [Parameter] -> [PLC Parameter] -> [Built-in Ethernet Port Setting]. More Details >>

MC protocol compatibility of the built-in Ethernet port

The built-in Ethernet port is not compatible with a 4E frame. Use a QnA-compatible 3E frame. More Details >>