| Attribute | 1746-HSCE | 1746-HSCE2 |
| Number of inputs | 1 set ±A, ±B, ±Z differential or
single-ended inputs, 5V DC, 12V DC,
or 24V DC | 2 sets ±A, ±B, ±Z, 2
quadrature encoders, or 4
pulse differential or
single-ended inputs |
| Input voltage range | Differential: 0…5V DC
Single-ended: ±5V DC
5V DC: 3.8…5.5V DC
12V DC: 9.4…16.5V DC
24V DC: 16.5…30V DC | 5V DC: 4.2…12V DC
24V DC: 10…30V DC |
| Frequency | 50 kHz for range
32 kHz for rate
50 kHz for sequencer | 250 kHz @ X4
500 kHz @ X2
1 MHz for all other |
| Maximum Counts | 16-bit, ±32,768 | 24-bit, ±8,388,607 in Class
4
16-bit, ±32,768 in Class 1 |
| Throughput | Sequencer mode: 1.8 ms
Range mode: 3.9 ms | 700 μs (typical) |
| Number of outputs | 4 open-collector outputs:
5, 12, or 24V DC | 4 outputs: 5…30V DC
sourcing with electronic
protection |
| Maximum output current | 16 mA @ 4.5V DC
40 mA @ 10V DC
125 mA @ 30V DC | 1 A |
| Backplane current (mA) @ 5V | 320 mA | 250 mA |
| Backplane current (mA) @ 24V | 0 mA | 0 mA |
| Isolation voltage | Tested @ 1500V | Tested @ 1000V |
