Siemens ET 200SP electronic module, 6ES7138-4DA02-0AB0, 1 counter input 32-bit, 1 digital input, 1 digital output, 100 kHz max frequency, 15 mm, 24 V DC.
| Parameter | Value |
|---|---|
| Digital outputs | 1 |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Output current, resistive load, max. | 100 Hz |
| Permissible range, upper limit (DC) | 28.8 V |
| Permissible range, lower limit (DC) | 20.4 V |
| Output voltage at signal "1" (min.) | L+ (-1 V) |
| Residual current at signal "0", max. | 0.5 mA |
| Power dissipation (typ.) | 1 W |
| Inductive shutdown voltage clamp | L+ (-50 to -60 V) |
| Isolation between channels and backplane bus | Yes |
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes |
| Reverse polarity protection | Yes |
| Diagnostics function | Yes |
| Short-circuit response threshold (typ.) | 2.6 A to 4 A |
| Output can drive a digital input | Yes |
| Parameter | Value |
|---|---|
| Output switching delay 0 to 1, max. | 100 µs |
| Switching frequency, inductive load, max. | 2 Hz |
| Switching frequency, lamp load, max. | 10 Hz |
| Parameter | Value |
|---|---|
| Cable length, unshielded, max. | 600 m |
| Cable length, shielded, max. | 1 000 m |
| Width | 15 mm |
| Weight (approx.) | 40 g |
The Siemens 6ES7138-4DA02-0AB0 is an ET 200SP electronic module that packs one 32-bit counter, one digital input, and one digital output into a 15 mm-wide housing. It reads incremental encoders and 2-wire sensors, counts up to 100 kHz, and measures rotational speed from 1 to 25 000 1/min. The digital output switches 500 mA with short-circuit and reverse polarity protection; diagnostics throw a group error via the backplane if the load faults.
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