RELIANCE 0-54341-21 Interface card

1：Details are introduced：

RELIANCE 0-54341-21 Interface card

Master Command List For a port to function in Master Mode, its Master Command List must be defined in 0-54341-21 Configuration Builder; refer to Modbus Port 1 Commands (page 48). This list contains up to 30 individual entries, with each entry containing the information required to construct a valid command. A valid command includes the following items:  Command enable mode: (0) disabled, (1) continuous or (2) conditional  Source or destination database address: The module database address where data is written or read.  Count: The number of words or bits to be transferred – up to 125 words for Function Codes 3, 4, or 16, and up to 2000 bits for Function Codes 1, 2, or 15.

Important: Take care when constructing each command in the list to ensure predictable operation of the module. If two commands write to the same internal database address of the module, the results are invalid. All commands containing invalid data are ignored by the module

.Note: 125 words is the maximum count allowed by the Modbus protocol. Some field devices may support less than the full 125 words. Check with the device manufacturer for the maximum count supported by the particular slave device.

2：Application industry

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4：Payment method and delivery

Shipment: EMS,DHL,UPS & FEDEX

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