The 6ES7138-4DE00-0AB0: Power loss is 2 W typical, so no forced cooling needed in most cabinets. Reverse polarity and short-circuit protection on the 24 V supply are built in. Group error LED (SF red) and synchronization LED (SYN green) provide on-module diagnostics without scanning the bus.
Siemens 6ES7138-4DE00-0AB0 Counter Module, 500 kHz, 30mm, Ac
MPN6ES7138-4DE00-0AB0
Siemens ET 200SP, counter module, 6ES7138-4DE00-0AB0, 24 V, 30 mm width, 500 kHz input frequency, RS-422, current production.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Digital outputs | 2 |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Output current, resistive load, max. | 100 Hz |
| Output current at signal "1" (rated) | 2 A |
| 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.) | 2 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 | 30 mm |
| Weight (approx.) | 65 g |
Product details
Frequently asked questions
What is the physical width of the module?
30 mm, matching the standard ET 200SP form factor for one base unit slot.
MPN
6ES7138-4DE00-0AB0