RFID Communications
Example
The following example sets Output B only and resets A, C, and D.
Command from Host
Field | Content |
Header | 0202H |
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Command Size | 0002H |
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Command Code | 10H |
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Output Value Byte | 02H |
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Checksum | EBH |
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Terminator | 03H |
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Response from Controller
Field | Content |
Header | 0202H |
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Response Size | 0001H |
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Command Echo | 10H |
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Checksum | EEH |
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Terminator | 03H |
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6.5.25 ABxF Command 11H: Input Status
DESCRIPTION
Command 11H returns the status of user inputs.
DISCUSSION
This command interrogates the state of the user input lines and returns a
Input Status | Remarks | LSB Bit 3 | LSB Bit 2 | LSB Bit 1 | LSB Bit 0 | |
Byte | Input D | Input C | Input B | Input A | ||
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00H | Inputs A, B, C, D, open | 0 | 0 | 0 | 0 | |
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01H | Input A, closed - B, C, D, open | 0 | 0 | 0 | 1 | |
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02H | Input B, closed - A, C, D, open | 0 | 0 | 1 | 0 | |
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03H | Input A, B, closed - C, D, open | 0 | 0 | 1 | 1 | |
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04H | Input C, closed - A, B, D, open | 0 | 1 | 0 | 0 | |
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05H | Input A, C, closed - B, D, open | 0 | 1 | 0 | 1 | |
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06H | Input B, C, closed - A, D, open | 0 | 1 | 1 | 0 | |
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07H | Input A, B, C, closed - D, open | 0 | 1 | 1 | 1 | |
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08H | Input D, closed - A, B, C, open | 1 | 0 | 0 | 0 | |
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09H | Input A, D, closed - B, C, open | 1 | 0 | 0 | 1 | |
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0AH | Input B, D, closed - A, C, open | 1 | 0 | 1 | 0 | |
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0BH | Input A, B, D, closed - C, open | 1 | 0 | 1 | 1 | |
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0CH | Input C, D, closed - A, B, open | 1 | 1 | 0 | 0 | |
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0DH | Input A, C, D, closed - B, open | 1 | 1 | 0 | 1 | |
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0EH | Input B, C, D, closed - A, open | 1 | 1 | 1 | 0 | |
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0FH | Input A, B, C, D, closed | 1 | 1 | 1 | 1 | |
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LRP2000 Passive Reader/Writer | 124 |