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Reading Block Tag |
Use a single Block Tag with 5 (five) Elements to read information sent by a device. The scan time configured in the Tag must be, at least, greater than the time between sent messages. According to the manufacturer, the sending rate in continuous mode is 1 (one) message every 185 ms at 4800 bps and 1 (one) message every 165 ms at 9600 bps. Therefore, a scan time greater than 200 ms is recommended. The meaning of each Element is displayed on the next table.
Description of Reading Block Tag Elements
Element |
Name |
Data Type |
Meaning |
|---|---|---|---|
0 |
Status Word A (SWA) |
U32 |
Bits 0-2: Multiplier. Possible values are 1: Display × 10, 2: Display × 1, 3: Display × 0.1, 4: Display × 0.01, 5: Display × 0.001, or 6: Display × 0.0001 |
Bits 3-4: Increment size. Possible values are 1: 1, 2: 2, or 3: 5 |
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1 |
Status Word B (SWB) |
U32 |
Bit 0: Liquid weight (1) |
Bit 1: Negative Weight (1) |
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Bit 2: Overload (1) |
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Bit 3: In Movement (1) |
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Bit 6: If Auto Reset (1) |
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2 |
Status Word C (SWC) |
U32 |
Bit 3: Print Button (1) |
Bit 4: Expanded (1) |
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Bit 6: Manual Tare Weight (1) |
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3 |
Weight |
U32 |
Weight value as shown on the display |
4 |
Tare |
U32 |
Tare value |