ETS three-wire modules group signal and supply connections at each field position. L models use a connector for the controller interface; T models use a terminal strip. Select the model by its stated application as well as the number of field positions.
| Model | Field positions | Application | Controller interface |
|---|---|---|---|
| ETS-16L3 | 16 | Input/output terminal block | Connector |
| ETS-16T3 | 16 | Input terminal block | Terminal strip |
| ETS-8L3 | 8 | Three-wire sensor input terminal block | Connector |
| ETS-8T3 | 8 | Three-wire sensor input terminal block | Terminal strip |
| Characteristic | ETS-16L3 and ETS-16T3 | ETS-8L3 and ETS-8T3 |
|---|---|---|
| Rated voltage | 24VDC | 24VDC |
| Rated current | 1A | 1A |
| Suitable wire size | 1.5mm² / 16AWG | 1.25mm² / 16AWG |
| Ambient temperature range | -55°C to +105°C | -10°C to +50°C, without icing or condensation |
| Dielectric withstand voltage | Not specified | 500VAC minimum; test duration not specified |
| Insulation resistance | Not specified | >100MΩ at 500VDC |
Use the marked signal and supply positions when connecting three-wire devices. The 16-position I/O model and the input-only models have different application scopes; match the selected module to the intended signal direction.