Frequently Asked Questions
What is the primary function of the SM701-D?
The SM701-D supports the conversion of RS485 signals into a 3-channel 4-20mA current output, allowing it to transmit and output current directly to RS485 instrument variables.
What communication protocol does this device support?
It is equipped with an RS485 communication interface and supports the standard MODBUS protocol for parameter configuration and reliable data communication.
What are the dimensions and housing type of the device?
The device features an industrial universal housing designed for direct installation on instruments, with physical dimensions of 96 mm (length) × 80 mm (width) × 25 mm (height).
What are the working and storage temperature limits?
The recommended working temperature range is -20 ℃ to + 80 ℃, while the storage temperature range is -25 ℃ to + 80 ℃.
What power supply input is required for operation?
The device operates on a power input voltage range of DC 12V to 24V.
Does it support multiple types of RS485 intelligent instruments?
Yes, the device supports both single RS485 instruments and a variety of specialized RS485 intelligent instruments using dedicated configuration software.