KR20 wireless unit instruction manual, introduces the characteristics and features of this product, including installation, operation, maintenance and inspection
This manual covers safety precautions, installation requirements, wiring details and environmental restrictions for the KR20 wireless unit. It also explains the device’s functions, communication modes and the use of the configuration tool.
Detailed chapters describe initial setup, slave device login, operation settings, test functions, and a full specification table with dimensions and connection diagrams. Warranty and service information are provided at the end of the document. This manual is written in Chinese.
| Power cable length | < 3 m |
|---|---|
| Communication cable type | Shielded cable with single‑side grounding |
| Mounting method | DIN‑rail mounting when installed on a wall |
No, the unit must not be used in outdoor environments or where flammable gases are present.
A shielded cable with the shield grounded on one side should be used for RS232C and RS485 connections.
The power cable should be less than 3 meters long.
It should be mounted using a DIN rail.