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MELSEC-Q Series QJ71C24N-R2
| Interface - CH1 | RS-232-compliance (D-sub 9 pin) |
| Interface - CH2 | RS-232-compliance (D-sub 9 pin) |
| Communication method - Line | Full-duplex/half-duplex communications |
| Communication method - MC protocol communication | Half-duplex communications |
| Communication method - Predefined protocol communication | Full-duplex/half-duplex communications |
| Communication method - Nonprocedural protocol communication | Full-duplex/half-duplex communications |
| Communication method - Bidirectional protocol communication | Full-duplex/half-duplex communications |
| Synchronization method | Start-stop synchronization method |
| Transmission speed | 50, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200, 230400 bps • Transmission speed 230400 bps is available for only CH1. (Not available for CH2) • Total transmission speed of two interfaces is available up to 230400 bps. • Total transmission speed of two interfaces is a |
| Transmission distance - RS-232 | Maximum 15 m |
| Data format - Start bits | 1 |
| Data format - Data bits | 7/8 |
| Data format - Parity bits | 1 (vertical parity) or none |
| Data format - Stop bits | 1/2 |
| Access cycle - MC protocol communication | Processes one request during the END processing of the CPU module of the station. Number of scans that must be processed/number of link scans depends on the contents of the request. |
| Access cycle - Predefined protocol communication | Sends or receives data when requested with the dedicated instruction. |
| Access cycle - Nonprocedural protocol communication | Sends each time a send request is issued. Can receive at any time. |
| Access cycle - Bidirectional protocol communication | Sends each time a send request is issued. Can receive at any time. |
| Error detection - Parity check | Selected for all protocols and when this check is enabled, ODD or EVEN is selected by a parameter. |
| Error detection - Sum check code | For the MC or bidirectional protocol, selected by a parameter. For the predefined protocol, whether or not a sum check code is needed depends on the selected protocol. For the nonprocedural protocol, selected in the user frame. |
| Transmission control - RS-232 - DTR/DSR control | Enabled |
| Transmission control - RS-232 - RS/CS control | Enabled |
| Transmission control - RS-232 - CD (DCD) signal control | Enabled |
| Transmission control - RS-232 - DC1/DC3 (Xon/Xoff) control | Enabled |
| Transmission control - RS-232 - DC2/DC4 control | Enabled |
| Line configuration for connection (Target device side : CPU module side) - RS-232 | 1:1 |
| Line configuration for data communication (Target device side : CPU module side) - RS-232 - MC protocol communication | 1:1 |
| Line configuration for data communication (Target device side : CPU module side) - RS-232 - Predefined protocol communication | 1:1 |
| Line configuration for data communication (Target device side : CPU module side) - RS-232 - Nonprocedural protocol communication | 1:1 |
| Line configuration for data communication (Target device side : CPU module side) - RS-232 - Bidirectional protocol communication | 1:1 |
| Number of occupied I/O points | 32 points (I/O assignment: Intelligent 32 points) |
| Internal current consumption (5 V DC) | 0.26 A |
| External dimensions - Height | 98 mm |
| External dimensions - Width | 27.4 mm |
| External dimensions - Depth | 90 mm |
| Weight | 0.20 kg |
| General specifications | Refer to the general specifications of the CPU module. |
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Normal delivery takes 2–6 business days subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
