| Part Number: | UE20 | - | 2 | CNT | - | P | - | 24 |
|---|---|---|---|---|---|---|---|---|
| Explanation: |
Platform UE20 - UE20 I/O platform; this breakdown covers the three listed counter modules |
Channels 2 - 2 counting channels |
Function CNT - High-speed counter |
Signal Type P - PNP; use the following 24 field |
Input Voltage 24 - 24V signal input; P or N only |
UE20 counter modules provide two channels for pulse and encoder measurement. UE20-2CNT-P-24 accepts 24V PNP signals, UE20-2CNT-N-24 accepts 24V NPN signals, and UE20-2CNT-DS accepts differential encoder signals. Match the module to the encoder interface and required signal-cable length.
| Characteristic | UE20-2CNT-P-24 | UE20-2CNT-N-24 | UE20-2CNT-DS |
|---|---|---|---|
| Channels | 2 | 2 | 2 |
| Signal interface | PNP | NPN | Differential; A/B/Z incremental or pulse/direction encoder |
| Input signal voltage | 24V | 24V | 5V differential encoder interface |
| Counting modes | Linear | Linear | Linear and ring |
| Input frequency limit | 1MHz maximum | 1MHz maximum | Below 1MHz |
| Multiplication | ×1, ×2, ×4 | ×1, ×2, ×4 | ×1, ×2, ×4; default ×1 |
| Maximum signal cable length | 2m | 2m | 10m |
| Input impedance | Not specified | Not specified | >500kΩ |
| Characteristic | Specification |
|---|---|
| Unsigned 32-bit linear count range | 0 to 4294967295 |
| Signed 32-bit linear count range | -2147483648 to 2147483647 |
| PNP/NPN isolation withstand | 500V on field side and 500V on digital side; channels are not isolated from each other |
| Differential model isolation | Optocoupler isolation between internal bus and field inputs |
Signed and unsigned ranges are alternative numerical representations. Select the appropriate representation and counting mode in the control configuration.
| Characteristic | PNP/NPN models | Differential model |
|---|---|---|
| Operating supply | 5V DC, ±10% | 5V DC nominal; 4.75-5.25V DC |
| System supply current | 270mA | 210mA typical at 5V DC |
| Encoder/load supply output | Not specified | 5V DC, ±10% |
| Encoder/load supply current | Not specified | 1A maximum |
| Connection method | Spring terminal blocks | Spring terminal blocks |
The differential model provides encoder power at terminals 13 and 14. Its 1A encoder supply rating is separate from the module system-supply current.
| Characteristic | PNP/NPN models | Differential model |
|---|---|---|
| Height × width × depth | 100mm × 12mm × 68mm | 100mm × 12mm × 68mm overall |
| Mounting | 35mm DIN rail | 35mm DIN rail |
| Ingress protection | IP20 | IP20 |
| Operating temperature | -10°C to +55°C | -10°C to +55°C for application |
| Storage temperature | -20°C to +85°C | -20°C to +60°C for application |
| Operating relative humidity | 5-95%RH, non-condensing | 5-95%RH, non-condensing |
| Storage relative humidity | 5-95%RH, non-condensing | Below 90%RH, non-condensing |