APPENDIX
Function | Q series C24 | QC24N | QC24 | UC24 | ||
Accessing other stations with link dedicated instructions |
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Interrupt processing | Non procedure protocol |
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(at data reception) | Bidirectional protocol |
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Communication via public lines using modem function |
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Communication using the PLC CPU monitoring function |
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Auto refresh directed to the PLC CPU |
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Transmission control | DC code control |
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DTR/DSR signal control |
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Mode switching |
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Independent operation of two | Setting the same protocol |
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interfaces | Setting different protocols |
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Linked operation of two interfaces |
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Registering initial setting values of the buffer memory | (Flash ROM) | (EEPROM) |
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Registering user frame |
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Connection forms with external | 1:1, 1:n |
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devices | m:n |
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I/O signal transmission/receive by multi drop link function |
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Connection of GX Developer |
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Communication data monitoring |
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Registering and monitoring of setting values by the utility package |
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| QCPU | QnACPU | ACPU | ACPU | |
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| AnACPU | AnACPU | |||
PLC that can be mounted |
| MELSECNET/H | MELSECNET/10, | |||
| AnUCPU | AnUCPU | ||||
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| remote I/O station | Remote I/O station | |||
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| QnACPU | QnACPU | |||
Data transmission rate (bps) |
| 230400 maximum | 115200 | 19200 | 19200 | 19200 |
| ( 6) | maximum maximum maximum maximum | ||||
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: Function exists/possible : Function exists/possible (specification is different depends on the function version (see Appendix 1) 
: No function/impossible
1 | Access is possible only within the range of an AnACPU device. |
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2 | A multiple block batch read/write function can be used for the local station QCPU to which the Q series | ||||||
| C24 is mounted and the next CPU module, which will be another station, via MELSECNET/H, | ||||||
| MELSECNET/10. |
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| Function |
| PLC CPU |
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| QCPU | QnACPU | Q2AS(H) | Q4AR |
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| Multiple block batch read/write | (All allowed) | (9707B or later products) | (All allowed) |
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This function is added to modules showing 9707B or later in the package indication and the DATE column of the rating plate.
3 | Access to other stations cannot be performed via data link system (MELSECNET(II), MELSECNET/B). | |
4 | Transmission is only possible using the printer function. |
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5 | When the Q series C24 is used, it is possible to read/write a maximum of 960 words (in case of QC24(N), it | |
| is possible to read/write a maximum of 480 words.) |
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6 | 230400 bps can be used via CH1 of QJ71C24N |
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| The maximum transmission speed of QJ71C24 |
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App. - 7 | App. - 7 | |