Products Description




| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |

Technical Specifications
| Item | Specification |
|---|---|
| Model | ALR121-S00 |
| Interface | RS-422 / RS-485 |
| Communication Mode | Half-duplex |
| Synchronization | Start-stop synchronization |
| Transmission Speed | 1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps |
| Transmission Code | ASCII / Binary |
| Character Length | 7 or 8 bits |
| Stop Bit Length | 1 or 2 bits |
| Parity Check | None / Even / Odd |
| Lag Time | 1 ms (wait time before receiving after transmission ends) |
| Max. Transmission Distance | 1200 meters (total extended length) |
| Installation | Mounted on ANB10, ANB11, ANR10, AFF50, AFV series |
| Connection Method | Clamped with terminal block (M4 screws, 5 poles × 2) |
| I/O Wiring | Shielded cable (3 pairs) such as AKB161, AKB162 |
| Supported Protocols | FA-M3, Modbus, MELSEC-A, YS direct/SCIU, SLC500, PLC-S |
| Data Capacity | 1000 words/module |
| Communication Definitions | 128 definitions/module |
| Current Consumption | 0.5 A |
| Dimensions | 126.7 × 32.8 × 130 mm |
| Weight | 0.3 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: What communication protocols are supported by ALR121-S00?
A1: It supports FA-M3, Modbus RTU, MELSEC-A, YS direct, YS via SCIU, SLC500, and PLC-S.
Q2: Does ALR121-S00 support multipoint communication?
A2: Yes, when using RS-485 interface, it supports multipoint communication.
Q3: How many subsystems can be connected per port?
A3: Up to 30 subsystems per port, depending on the protocol used.
Q4: Can the two ports of ALR121 use different protocols?
A4: No, both ports must use the same communication protocol.
Q5: Does ALR121 support dual-redundant communication?
A5: Yes, by installing two identical ALR121 modules in a redundant configuration.
Q6: What is the maximum supported baud rate for Modbus communication?
A6: Up to 19200 bps for Modbus.
Q7: Can ALR121 communicate with YS1000 series instruments?
A7: Yes, ALR121 supports both direct RS-485 connection and SCIU interface for YS1000/YS100 instruments.
Q8: What is the maximum transmission distance of ALR121?
A8: The maximum is 1200 meters when using RS-422/RS-485 interface.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
