Siemens SIMATIC S7-1200 SM 1234, 6ES7143-1BF30-0XB0, Digital I/O Module, 8 inputs, 8 outputs, 24 V DC, width 87 mm, depth 55 mm.
| Parameter | Value |
|---|---|
| Number of digital inputs | 8; 8 function inputs (diagnostic inputs or inputs with opener function) |
| Max. inputs, up to 40 °C | 1 A |
| 2-wire sensor support | Yes |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V; Input voltage for parameterized DI (Pin 4) / Input voltage for function input (Pin 2) |
| Input voltage at signal "1" | 13 to 30V |
| Input voltage at signal "0" | -30 to +5 V |
| Input current at signal "1" (typ.) | 5 mA |
| Power loss (typ.) | 1.5 W |
| Current consumption from backplane bus (5 V DC), max. | 40 mA |
| Permissible quiescent current, 2-wire sensor, max. | 1.5 mA |
| Cable length, unshielded, max. | 30 m; for signal lines |
| Parameter | Value |
|---|---|
| Input delay 0 to 1, min. | 1.2 ms |
| Input delay 1 to 0, min. | 1.2 ms |
| Input delay 0 to 1, max. | 4.8 ms |
| Input delay 1 to 0, max. | 4.8 µs |
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes; Electronic |
| Diagnostics function | Yes; Parameterizable |
| Diagnostic alarm | Yes |
| Isolation between channels | No |
| Isolation between channels and backplane bus | No |
| Isolation test voltage | 500 V DC |
| Parameter | Value |
|---|---|
| Depth | 55 mm |
| Height | 180 mm |
| Width | 87 mm; Width module 60 mm |
The Siemens 6ES7143-1BF30-0XB0 is a digital I/O module combining 8 inputs and 8 outputs on a single unit, rated at 24 V DC with a typical power loss of 1.5 W. It accepts 2-wire sensors and provides electronic short-circuit protection with a response threshold of 1.8 A, plus parameterizable diagnostic alarms.
Lifecycle stage: current.
It is 180 mm high, 87 mm wide (module width 60 mm), and 55 mm deep.
Typical power loss is 1.5 W at 24 V DC.
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