0102
China SM701-A (B) 3-Channel RS485 Multi-Channel Distributor - Reliable Factory Supplier for Intelligent Industrial Conversion
Product Specifications
- One RS485 or RS232 interface can be converted into two RS485 interfaces.
- Support standard and non-standard MODBUS _ RTU protocol transmission.
- Equipped with standard RS485 or RS232 interface, it can communicate with computer or server.
- Support multiple collectors or PCs.
- Baud rate, check bit, stop bit and other communication parameters can be set according to the actual access of RS485 or RS232 instrument.
- With power-off memory function, parameters do not need to be reset after power off.
Product Features
- Shell size: length 96 mm × width 80 mm × height 25 mm.
- Working temperature: -20 ℃ ~ + 80 ℃.
- Relative humidity: 10% ~ 80%.
- Power supply input voltage: DC 12 ~ 24V, the ripple of the power supply shall not be greater than 200 mA, and the power supply shall provide 100mA.
Main Parameters
| Physical Dimensions (L × W × H) | 71mm × 52 mm × 22 mm. |
| Operation Ambient Temperature | -20℃～+80℃ |
| Relative Humidity | 10% ～ 80% |
Frequently Asked Questions
Q: How many interfaces can this device convert?
A: It can convert one RS485 or RS232 interface into two RS485 interfaces, enabling communication with computers or servers.
Q: Does the device support standard MODBUS protocols?
A: Yes, it supports both standard and non-standard MODBUS_RTU protocol transmission.
Q: Do I need to reset parameters after a power outage?
A: No. The device features a power-off memory function, so your communication parameters do not need to be reset after power off.
Q: What are the working temperature and humidity specifications?
A: The device operates in a temperature range of -20 ℃ to +80 ℃ and a relative humidity range of 10% to 80%.
Q: What power supply input voltage and ripple limit are required?
A: It requires an input voltage of DC 12 ~ 24V. The power supply ripple must not exceed 200 mA, and it must provide a current of 100mA.