Siemens 6ES7143-5AH00-0BA0 ET 200AL Digital Output Module
Siemens ET 200AL digital output module, 6ES7143-5AH00-0BA0, 8 DQ, 24 V DC, 1.4 A, with 2 DI, counter, and encoder supply.
Specifications
| Parameter | Value |
|---|---|
| Digital outputs | 16; Parameterizable as DIQ |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Output current, resistive load, max. | 100 Hz |
| Output current at signal "1" (rated) | 0.5 A |
| Permissible range, upper limit (DC) | 28.8 V |
| Permissible range, lower limit (DC) | 20.4 V |
| Output voltage at signal "1" (min.) | L+ (-0.8 V) |
| Residual current at signal "0", max. | 0.5 mA |
| Power dissipation (typ.) | 4 W |
| Inductive shutdown voltage clamp | L+ (-53 V) |
| Load resistance, upper limit | 4 kΩ |
| Load resistance, lower limit | 48 Ω |
| Isolation between channels and backplane bus | Yes |
| Isolation, channels in groups of | 8 |
| Isolation test voltage | 707 V DC (type test) |
| From load voltage 2L+, max. | 4 A; Maximum value |
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes; per channel, electronic |
| Reverse polarity protection | Yes; Against destruction; encoder power supply outputs applied with reversed polarity, loads pick up |
| Diagnostic alarm | Yes; Parameterizable |
| Short-circuit response threshold (typ.) | 0.7 A |
| Short-circuit detection | Yes; Outputs to M; encoder supply to M; module by module |
| Parameter | Value |
|---|---|
| Switching frequency, inductive load, max. | 0.5 Hz |
| Switching frequency, lamp load, max. | 1 Hz |
| Parameter | Value |
|---|---|
| Cable length, unshielded, max. | 30 m |
| Width | 45 mm |
| Height | 159 mm |
| Depth | 40 mm |
| Weight (approx.) | 195 g |
Product details
Frequently asked questions
Can 6ES7143-5AH00-0BA0 be used with Siemens S7-1500 or S7-1200?
The module is part of the ET 200AL remote I/O family, which connects to any PROFINET controller — including S7-1500 and S7-1200 CPUs with a PROFINET port. It requires an ET 200AL bus coupler (e.g., 6ES7147-5JD00-0BA0) to interface with the controller.
Panel fit and wiring constraints
The 6ES7143-5AH00-0BA0 is an ET 200AL slice that snaps onto the 45 mm wide backplane, 159 mm tall, 40 mm deep. It carries 8 digital outputs (DQ) rated 24 V DC, 1.4 A max per output, with the total encoder supply current capped at 0.7 A per load voltage group — the two load groups isolate 8 outputs each, so a short on group 1 doesn't pull down group 2. The M8, 4-pin, shielded ET-Connection handles the field wiring; unshielded cable runs up to 30 m are allowed, but for the encoder signals keep it under 30 m to avoid noise coupling into the 32-bit counter.
What the integrated counter and DI mean for the line
This module packs 2 digital inputs (DI) and a 32-bit counter that counts up to 4 kHz on the encoder supply (48 Ω to 4 kΩ load range) — it's designed for a single-axis incremental encoder feedback directly on the remote I/O slice, saving a separate counter module. The DI thresholds are -3 to +5 V for signal "0" and +11 to +30 V for signal "1", with a typical 3 mA draw at signal "1" — it works with standard 24 V proximity sensors (2-wire supported) and the 0.05 ms min switching time catches fast edges from a bottle sensor or encoder pulse train. For lamp loads, the max switching frequency is 1 Hz — don't use this to strobe indicator lamps; the 20 ms max transition time (0-to-1 and 1-to-0) is fine for solenoid valves and contactor coils on a filling line.