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

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>

Replacing a device in GX Developer

Select [Tool] -> [Options] from the menu of GX Developer and open <<Program common>> tab.Then select "Don't write to PLC" in "After conversion... More Details >>

Using Structured Text in GX Works2 simple projects

Select "Use Label" in the New Project window. More Details >>

How to check scan time

SD520 stores the current scan time in 1 ms units. More Details >>

Specification method of high-speed timer

To use a high-speed timer, insert a circuit of application instruction such as "OUTH T0 K100". More Details >>

Combination of the MELSEC iQ-R series inter-module synchronization function and the CC-Link IE Field Network synchronous communication function

In the communication of the CC-Link IE Field Network synchronous communication function, you can synchronize the timing to send/receive data with the inter-... More Details >>

Using Q series terminal blocks and connectors with MELSEC iQ-R series modules

You can use a Q series 18-point screw terminal block with a MELSEC iQ-R series terminal block type I/O module or analog module. For a 40-pin connector type ... More Details >>

Models of batteries that can be used with MELSEC iQ-R series CPU modules

You can use "Q6BAT" and "Q7BAT". You cannot use "Q8BAT". More Details >>

Regarding compatible version of CANopen communication function for PDO communication

It is necessary to use the following CPU module, FX5-CCLGN-MS, GX Works3 versions. FX5-CCLGN-MS・・・1.020 or later FX5U/FX5UC CPU module ・・・1.260 or later ... More Details >>

Regarding using the connector of the CPU Module

The input/output cables used in the FX3GC and FX3UC basic units can be diverted to the FX5UC CPU Module (connector type). More Details >>