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OUTPUT SIGNALS | ||||
---|---|---|---|---|
OUTPUT CIRCUIT | NPN Open Collector | Push-Pull Differential |
RS422 (TTL compatible) | |
Power supply | 11…30 VDC | 11…30 VDC | 5 VDC ±5% | |
Output voltage | 11…30 VDC | 11…30 VDC | 5 VDC | |
Consumption | 40 mA | Tipical: 45 mA Max: 150 mA |
Tipical: 70 mA Max: 150 mA |
|
Max. load capability / channel | 40 mA | ±30 mA | ±20 mA | |
Lenght of cable allowed | 50 m (24 VDC) | 100 m | 1200 m | |
“Low” signal level | VOL < 0.4 VDC (24 VDC) | VOL < 2.5 VDC | VOL < 0.5 VDC | |
“High” signal level | VOH > 22 VDC (24 VDC) | VOH > VCC – 3 VDC | VOH > 2.5 VDC | |
Frequency | 100 kHz | 200 kHz | 300 kHz | |
Short circuit protection | Not permanent | Yes | Yes | |
Protection polarity inversion | Yes | Yes | No | |
Channel A leads (90° electric) channel B, view from the shaft, shaft rotating clockwise |