LaserSpeed
Interfacing with the
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| Cable Jacket |
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| Cable Shield |
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Pin 1 | (TX+) |
| RX+ |
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| 100Ω | Receive |
Pin 2 | RX- |
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Pin 3 (RX+) | Shielded, |
Two Twisted 100Ω Pairs |
Pin 4
Drain Wire/Shield
TX+
Transmit
TX-
Computer/PLC
RS-422 Serial Pinouts
Gauge DB9 | Gauge Signal | Computer Pin | Computer Signal |
Pin Number | Description | Number | Description |
1 | RS422 Transmit + | varies | RS422 Receive + (B) |
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2 | RS422 Transmit - | varies | RS422 Receive – (A) |
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3 | RS422 Receive + | varies | RS422 Transmit + (B) |
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4 | RS422 Receive - | varies | RS422 Transmit – (A) |
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5 | Signal Ground | varies | Signal Ground |
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The computer
Analog Output Voltage/Ground (Pins 6-7)
Analog Output Specifications
Voltage Range | |
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Resolution | |
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Minimum ∆V (Step Size) | 0.5mV |
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Load | 1kΩ minimum |
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Filtering | 0.1∝F Capacitor |
| Recommended across |
| Output to Signal Ground |
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Part No. 93463 / Drawing No. | Page 57 of 221 | Revision A (Sep 2007) |