Manual control: On the front panel of the machine, there are 8 relay key switches, which can be manually controlled in case of emergency. For example, in the event of a malfunction of the central control, you can use this function to protect the other equipment well.
IO control: There are 8 IO ports inside the machine, which can be used without a central control for greater versatility.
Protocol compatibility: It is widely compatible with the current central control network protocols on the market.
ID selection: The network ID identity code can be set by the rotating ID toggle.
Each relay has a terminal block with three connection points, with normally open and normally closed functions.
Model | D6421II |
Load Capacity | 20A for a single channel |
ID Selection | The network ID identity code can be set by the rotating ID toggle. |
Power Supply | DC24V network power supply |
Control Methods | Controlled by independent RS485 communication port, keys on the front panel, and IO port on the rear panel; also can be customized to RS232 communication protocol. |

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