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JS-25 scanners electrical and cable specs.
JoeScan Cables Guide
Click here to download the self contained JoeScan scanner cable specifications guide.
Input Specifications
The current JS-25 scanners have two connectors: an LTW Industrial Sealed Ethernet, and a iConn 8-conductor circular sealed connector. The 8-conductor connector is used to supply power as well as encoder and synchronization signals to the JS-20 scanner.
The encoder inputs are RS-422 5-V differential signals. They support encoder rates up to a maximum of 100,000 pulses per second.
The Start Scan input signal can be driven by either RS-422 5V differential, 5V push pull, or open collector outputs. For 5V push-pull and open collector operation, the input should be to the StartScan+ signals, and the StartScan- should be left floating. The Start Scan signal is edge triggered, and by default triggers on a falling edge. The StartScanTriggerOnHigh parameter reverses this, and causes the scanners to trigger on a rising edge.
8-Wire Pinout
JS-25 scanners are generally connected with our standard 8 wire cable. Alpha 2643C or an equivalent cable is suggested.
Table 2. Alpha 2643C / EN-3 / 8-Wire Diagram
| Wire Color | EN-3 Pin | Function |
|---|---|---|
| White | 1 | Encoder B- |
| Green | 2 | Encoder B+ |
| White/Black | 3 | Start Scan- |
| White/Red | 4 | Start Scan+ |
| White/Yellow | 5 | Encoder A- |
| White/Green | 6 | Encoder A+ |
| Black | 7 | Ground |
| Red | 8 | +24VDC |
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