1. Item no.
| KH702R | RS232/RS485 to RS232 isolated communication module | |||
| KH702U | RS232/RS485 to USB isolated communication module | |||
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2.Feature | ||||
| High Safety | Safeguider built-in to ensure system safety | |||
| Universality | HMG patented self-adapted chip built-in. Conveniently connect to the network | |||
| Good Performance | : 1000V inner isolated voltage, DC TO DC. :350V photoelectrical isolation between RS485 interface and module :Up to 450V isolation between channels by photoelectricity coupling utensil relay isolation | |||
| Convenient to Use | RS485 communication port, only two signal wires needed can build a multi-dot distributed network; based on standard MODBUS-RTU protocol, can easily communicate with modern DCS, HMI, PLC etc intelligent equipment | |||
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3.Specification | ||||
| Technology: | Identify data direction automatically, zero delay auto send receiver conversion | |||
| Electrical Connector: | DB9 hole connector, terminal | RS232 port mode: | D89 | |
| Media: | Shielded Twisted Pair cable | Housing Material: | Adam module | |
| Baud rate: | Up to 19200bps | Sampling Rate: | 0.5S | |
| Power Supply: | +9~+32VDC for KH702R | Power Supply: | None for KH702U | |
| Power consumption: | <1.0W | Working Temperature: | -25~75°C | |
| Storage Temperature: | -40~85°C | Relative Humidity: | 5%-90%,no dew | |
| Size: | 122.50*72.0 (L*W mm) | Mounted Method: | Rail mounted | |
| 4.Connection | ||||
| DB9, RS232 connection: | TX-TX, RX-RX,GND-GND | |||
| RS-485 connection: | 485A-485A, 485B-485B | |||
For Example
Widely uesd in the industry of Petroleum, Chemical, Pharmaceutical, Metallurgy, Paper, Electricity, Nuclear power, Food, Cement, Building, Aviation, Medical University Lab, Marine, Sewage Treatment etc.
Packaging: PC into bubble bag , then into carton box
By air: DHL, TNT etc courier
Delivery :7 working days
We can offer you good technical support and offer good warranty for after-service as proffesional manufacture
Warranty: One year
During warranty, if the ordered goods after delivery are damaged with error caused only by itself quality problem, the goods can be returned to Kehao for free repair and maintenance. However, Kehao will be not responsible for free repair and maintenance if the goods is damaged and with error caused by user’s man-made and force majeure factor