The number of times to insert and remove the extended SRAM cassette and SD memory card of a MELSEC iQ-R series CPU module

You can insert and remove the extended SRAM cassette less than 50 times and the SD memory card less than 500 times. More Details >>

The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>

Battery-less operation

Uncheck "Check battery", an item of "Error Check", in the [PLC RAS setting] ([PLC Parameter] -> [PLC RAS setting]). More Details >>

Replacing an AnS I/O module with a Q I/O module

Yes. More Details >>

Continuous logging

Yes. As a guide, the processing time is shown below.For the logging condition, refer to figure 1 below. - For 16 devices: 2 ms - For 64 devices: 6 ms More Details >>

Whether or not totem pole output type encoders are connected

Totem pole output encoders cannot be connected to QD62.The following types of encoders can be connected.- Open collector output type encoders- CMOS level vol... More Details >>

Boot operation from the standard ROM

The boot operation from the standard ROM is not possible. The program memory of LCPU is a flash ROM. Thus, writing in the program memory achieves a ROM opera... More Details >>

CPU clock setting by SNTP functions via built-in Ethernet port in LCPU

The clock setting of the CPU module is set automatically in accordance with the clock data collected from the time information server (SNTP server) on the LAN. More Details >>

Use of a commercial SD memory card in L series logging function

Yes. Recommended products are listed in the technical bulletin FA-A-0078.　 More Details >>

Conversion speed of L60DA4

The conversion speed is 20 microseconds per channel. More Details >>