Overview
The 6ES7422-1BH11-0AA0 is a Siemens SM 422 digital output module for the SIMATIC S7-400 rack, delivering 16 isolated 24 V DC outputs rated 2 A per channel with a total power draw of 5.0 W.
Siemens 6ES7422-1BH11-0AA0 SM 422 digital output module, 16 DO, 24 V DC, 2 A
MPN6ES7422-1BH11-0AA0
NRND
Siemens 6ES7422-1BH11-0AA0 — now in phase-out and being discontinued, supplied from remaining surplus and broker stock.
$222.25 – $415.00Ref. price · indicative, final on quote
StockContact for availability
Lead timeCall for availability wk
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Outputs
| Parameter | Value |
|---|---|
| Digital outputs | 16 |
Electrical
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Output current, resistive load, max. | 100 Hz |
| Output current at signal "1" (rated) | 2 A |
| Output current, max. per circuit / per module | 2.4 A |
| Permissible range, upper limit (DC) | 28.8 V |
| Permissible range, lower limit (DC) | 20.4 V |
| Output voltage at signal "1" (min.) | L+ (-0.5 V) |
| Residual current at signal "0", max. | 0.5 mA |
| Output current up to 60 °C, max. | 2 A; 2 adjacent outputs each |
| Current consumption from backplane bus (5 V DC), max. | 160 mA |
| Power dissipation (typ.) | 5 W |
| Inductive shutdown voltage clamp | -30 V |
| Load resistance, upper limit | 4 kΩ |
| Load resistance, lower limit | 24 Ω |
| Isolation between channels | Yes |
| Isolation between channels and backplane bus | Yes |
| Isolation, channels in groups of | 8 |
| Isolation test voltage | 500 V DC |
Protection & Diagnostics
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes; Clocked electronically |
| Diagnostics function | No |
| Short-circuit response threshold (typ.) | 2.8 to 6 A |
| Redundant load control | Yes; possible (only outputs of the same group) |
| Output can drive a digital input | Yes; possible |
Performance
| Parameter | Value |
|---|---|
| Output switching delay 0 to 1, max. | 1 ms |
| Output switching delay 1 to 0, max. | 1 ms |
| Switching frequency, inductive load, max. | 0.1 Hz |
| Switching frequency, lamp load, max. | 10 Hz |
Mechanical & Connection
| Parameter | Value |
|---|---|
| Cable length, unshielded, max. | 600 m |
| Cable length, shielded, max. | 1 000 m |
| Width | 25 mm |
| Height | 290 mm |
| Depth | 210 mm |
| Weight (approx.) | 600 g |
Product details
MPN
6ES7422-1BH11-0AA0