Difference between revisions of "TekPower TP4000ZC"
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| Line 26: | Line 26: | ||
| 0 | | 0 | ||
! colspan="1" | 0x1 | ! colspan="1" | 0x1 | ||
| | | AC | ||
| | | DC | ||
| | | Auto | ||
| | | RS232 | ||
|- | |- | ||
| 1 | | 1 | ||
! colspan="1" | 0x2 | ! colspan="1" | 0x2 | ||
| | | Negative | ||
| | | 1A | ||
| | | 1B | ||
| | | 1C | ||
|- | |- | ||
| 2 | | 2 | ||
! colspan="1" | 0x3 | ! colspan="1" | 0x3 | ||
| | | 1D | ||
| | | 1E | ||
| | | 1F | ||
| | | 1G | ||
|- | |- | ||
| 3 | | 3 | ||
! colspan="1" | 0x4 | ! colspan="1" | 0x4 | ||
| | | DP1 | ||
| | | 2A | ||
| | | 2B | ||
| | | 2C | ||
|- | |- | ||
| 4 | | 4 | ||
! colspan="1" | 0x5 | ! colspan="1" | 0x5 | ||
| | | 2D | ||
| | | 2E | ||
| | | 2F | ||
| | | 2G | ||
|- | |- | ||
| 5 | | 5 | ||
! colspan="1" | 0x6 | ! colspan="1" | 0x6 | ||
| | | DP2 | ||
| | | 3A | ||
| | | 3B | ||
| | | 3C | ||
|- | |- | ||
| 6 | | 6 | ||
! colspan="1" | 0x7 | ! colspan="1" | 0x7 | ||
| | | 3D | ||
| | | 3E | ||
| | | 3F | ||
| | | 3G | ||
|- | |- | ||
| 7 | | 7 | ||
! colspan="1" | 0x8 | ! colspan="1" | 0x8 | ||
| | | DP3 | ||
| | | 4A | ||
| | | 4B | ||
| | | 4C | ||
|- | |- | ||
| 8 | | 8 | ||
! colspan="1" | 0x9 | ! colspan="1" | 0x9 | ||
| | | 4D | ||
| | | 4E | ||
| | | 4F | ||
| | | 4G | ||
|- | |- | ||
| 9 | | 9 | ||
! colspan="1" | 0xa | ! colspan="1" | 0xa | ||
| | | u | ||
| | | n | ||
| | | k | ||
| | | Diode | ||
|- | |- | ||
| 10 | | 10 | ||
! colspan="1" | 0xb | ! colspan="1" | 0xb | ||
| | | m | ||
| | | % | ||
| | | M | ||
| | | Beep | ||
|- | |- | ||
| 11 | | 11 | ||
! colspan="1" | 0xc | ! colspan="1" | 0xc | ||
| | | Farads | ||
| | | Ohms | ||
| | | Rel | ||
| | | Hold | ||
|- | |- | ||
| 12 | | 12 | ||
! colspan="1" | 0xd | ! colspan="1" | 0xd | ||
| | | A | ||
| | | V | ||
| | | Hz | ||
| | | Low battery | ||
|- | |- | ||
| 13 | | 13 | ||
! colspan="1" | 0xe | ! colspan="1" | 0xe | ||
| | | hFE | ||
| | | Celsius | ||
| | | Reserved | ||
| | | Reserved | ||
|} | |} | ||
Revision as of 00:14, 20 October 2012
the TekPower TP4000ZC is a 4000 counts handheld digital multimeter with RS232 connectivity.
Hardware
TODO
Photos
TODO
Protocol
The device periodically sends 14-byte packets at 2400 baud, 8n1. The packet includes a mode indicator, payload and checksum. the payload is a 1-1 mapping of the LCD segments.
Packet structure
| Byte | 7-4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|
| 0 | 0x1 | AC | DC | Auto | RS232 |
| 1 | 0x2 | Negative | 1A | 1B | 1C |
| 2 | 0x3 | 1D | 1E | 1F | 1G |
| 3 | 0x4 | DP1 | 2A | 2B | 2C |
| 4 | 0x5 | 2D | 2E | 2F | 2G |
| 5 | 0x6 | DP2 | 3A | 3B | 3C |
| 6 | 0x7 | 3D | 3E | 3F | 3G |
| 7 | 0x8 | DP3 | 4A | 4B | 4C |
| 8 | 0x9 | 4D | 4E | 4F | 4G |
| 9 | 0xa | u | n | k | Diode |
| 10 | 0xb | m | % | M | Beep |
| 11 | 0xc | Farads | Ohms | Rel | Hold |
| 12 | 0xd | A | V | Hz | Low battery |
| 13 | 0xe | hFE | Celsius | Reserved | Reserved |
Segment lettering
|--A--| | | F B | | |--G--| | | E C | | |--D--|
Resources
- [1] (TODO)