The RS-232 cable should meet RS-232 standards and not exceed 15 m in length.The RS-422/485 cable should meet specificati

- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each o

Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "CPU Module" for "PLC side I/

Totem pole output encoders cannot be connected to QD62.The following types of encoders can be connected.- Open collector

The QnUDE(H)CPU modules with serial numbers with upper 5 digits of "14112" or later indicate compatibility with the func

If file registers are registered in the standard RAM and "R" is specified by an instruction, the processing time is the

If a direct connection is made, either type can be used.If making a connection via a hub, use a straight cable.

(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the

The universal model QCPU modules have their standard ROM but boot operation from the standard ROM is impossible. Boot th

The tools can be launched individually.

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FAQ within [ MELSEC-Q Series ]

121-130 of Total 213

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Recommended cables for MODBUS(R) interface module QJ71MB91

The RS-232 cable should meet RS-232 standards and not exceed 15 m in length.The RS-422/485 cable should meet specifications described in the following manual... More Details >>
- No：22566
- Release Date：2018/09/03 17:29
Difference between redundant systems and the multiple CPU systems

- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each of which includes a CPU module, powe... More Details >>
- No：22609
- Release Date：2018/09/03 17:29
- Update：2018/09/20 18:14
Making transparent connections using GX Developer

Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "CPU Module" for "PLC side I/F" and check "via GOT (direct couple... More Details >>
- No：22640
- Release Date：2018/09/03 17:29
- Update：2018/09/21 11:39
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 >>
- No：22641
- Release Date：2018/09/03 17:29
Accessing file registers from the built-in Ethernet port QCPU using A-compatible 1E frames

The QnUDE(H)CPU modules with serial numbers with upper 5 digits of "14112" or later indicate compatibility with the function. The accessible device range is ... More Details >>
- No：22645
- Release Date：2018/09/03 17:29
Speeds of access to file registers

If file registers are registered in the standard RAM and "R" is specified by an instruction, the processing time is the same as is the case with the internal... More Details >>
- No：22688
- Release Date：2018/09/03 17:29
Cables connected to the Ethernet port on the universal model QCPU

If a direct connection is made, either type can be used.If making a connection via a hub, use a straight cable. More Details >>
- No：22690
- Release Date：2018/09/03 17:29
How to suppress the instability of digital-converted output values

(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the influence of the AC side surges an... More Details >>
- No：22709
- Release Date：2018/09/03 17:29
- Update：2018/09/21 15:11
Boot operation from the standard ROM in the universal model QCPU

The universal model QCPU modules have their standard ROM but boot operation from the standard ROM is impossible. Boot the module from a memory card. More Details >>
- No：22602
- Release Date：2018/09/03 17:29
- Update：2018/09/20 18:01
How to launch GX Works2 or other tools after installing iQ Works

The tools can be launched individually. More Details >>
- No：22693
- Release Date：2018/09/03 17:29

121-130 of Total 213

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