The Siemens 6ES7221-1BH22-0XA0 is a high-performance digital input module from the SIMATIC S7-200 series, specifically the EM 221 expansion module. Engineered for precise and reliable signal detection, this module features 8 digital inputs operating at 24V DC, with isolated groups of 4 inputs to minimize electrical interference. Its robust design ensures seamless integration into existing S7-200 systems, making it a trusted choice for manufacturing, process control, and material handling applications. With a wide operating temperature range and compliance with international standards, the 6ES7221-1BH22-0XA0 delivers consistent performance even in demanding environments. This module is supplied as a brand-new, original Siemens product, backed by rigorous quality testing and fast logistics support for global customers.
| Parameter |
Specification |
| Product Type |
Digital Input Module |
| Model Number |
6ES7221-1BH22-0XA0 |
| Series |
SIMATIC S7-200, EM 221 |
| Number of Digital Inputs |
8 |
| Input Voltage Type |
DC |
| Rated Input Voltage |
24V DC (20.4 to 28.8V DC) |
| Input Current (Typical) |
4 mA per input at 24V DC |
| Input Isolation |
Optically isolated, 500V AC for 1 minute (group of 4) |
| Input Delay (Hardware) |
0.2 ms to 12.8 ms (configurable via software) |
| Signal Type |
IEC 61131 Type 1 sink/source (NPN/PNP compatible) |
| Backplane Bus Current Consumption |
30 mA (from S7-200 CPU via bus) |
| Power Dissipation |
2.5 W (typical) |
| Operating Temperature Range |
0 to 55°C (32 to 131°F) |
| Storage Temperature Range |
-40 to 70°C (-40 to 158°F) |
| Relative Humidity |
95% non-condensing |
| Protection Class |
IP20 (with enclosure) |
| Dimensions (W x H x D) |
46 x 80 x 62 mm (1.81 x 3.15 x 2.44 inches) |
| Weight |
Approximately 150 g (0.33 lbs) |
| Mounting Method |
DIN rail (EN 60715) |
| Connector Type |
Removable screw terminals (2 x 10-pin) |
| Compatible CPUs |
S7-200 CPUs 221, 222, 224, 226 (all revisions) |
| Standards Compliance |
CE, UL, CSA, cULus, IEC 61131-2 |
| Warranty |
1 year (standard manufacturer warranty) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22