Scanner Scale Pinout Connections
There are four additional
Note: Please keep in mind that every application is unique. The use of these connections depends on the specifications of the scale’s manufacturer. The following pinouts are for reference only. If the scanner has been integrated with a scale, refer to the Scale Addendum for detailed instructions on the appropriate cable connections, communication specifications and calibration procedures required by the scale manufacturer and local Weights and Measures authorities. When connecting any combination of scale/external scale display to the M2420 do not exceed the following current restrictions: 12V @ 0.7A max. / 5V @ 0.2A max.
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| Figure 67. MS2420 Scale Connection Layout |
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Scale Display Data |
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| Scale Data In |
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| Scale RS232 to Host |
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In Scale Data to |
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| RS232 from the Load |
| Scale Data, Dual Cable |
| Scale to Display | ||||||
Display from the |
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| Cell Interface |
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| Applications |
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Load Cell Interface |
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Pin | Function ** |
| Pin | Function** |
| Pin |
| Function** |
| Pin | Function** |
1 | SIG1 |
| 1 | 12V |
| 1 |
| Ground |
| 1 | SIG1 |
2 | SIG2 |
| 2 | Ground |
| 2 |
| Scale RS232 TX Out |
| 2 | SIG2 |
3 | SIG3 |
| 3 | 5V |
| 3 |
| Scale RS232 RX In |
| 3 | SIG3 |
4 | SIG4 |
| 4 | Ground |
| 4 |
| Scale RS232 RTS Out |
| 4 | SIG4 |
5 | SIG5 |
| 5 | RS232 TX In |
| 5 |
| Scale RS232 CTS In |
| 5 | SIG5 |
6 | SIG6 |
| 6 | RS232 RX Out |
| 6 |
| No Connect |
| 6 | SIG6 |
7 | SIG7 †† |
| 7 | RS232 CTS In |
| 7 |
| No Connect |
| 7 | SIG7 †† |
8 | SIG8 †† |
| 8 | RS232 RTS Out |
| 8 |
| No Connect |
| 8 | SIG8 †† |
9 | SIG9 †† |
| 9 | Scale Status, TTL |
| 9 |
| No Connect |
| 9 | SIG9 †† |
10 | SIG10 †† |
| 10 | Scale Zero, TTL |
| 10 |
| Shield |
| 10 | SIG10 †† |
**All signals are referenced from the MS2420 scanner.
††The use of these pins depends upon the specifications of the scale’s manufacturer. Specifications are subject to change without notice.
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