The 6ES7222-1HF22-0XA0 is a Siemens SIMATIC S7-200 Digital Output EM 222 expansion module, engineered for reliable switching of actuators, contactors, and indicators in distributed automation systems. As part of the EM 222 family, this module provides 8 relay outputs with galvanic isolation, ensuring robust performance in harsh industrial environments. Each output can handle up to 2A (resistive load) at voltages from 24V DC to 230V AC, making it ideal for mixed-signal control panels. The module connects directly to the S7-200 backplane bus via a ribbon cable, requiring no additional power supply for logic operation—only an external load supply. Its compact design (71.2 x 80 x 62 mm) fits standard DIN rail or panel mounting, with screw-type terminals for secure wiring. The relay outputs are grouped into two isolated banks (4 outputs per bank) with common terminals, offering flexibility for different voltage zones. With an operating temperature range of -25°C to 55°C and compliance with CE, UL, and cULus standards, the 6ES7222-1HF22-0XA0 ensures long service life in continuous-duty applications.
| Parameter |
Specification |
| Product Type |
Siemens SIMATIC S7-200 Digital Output Module EM 222 |
| Order Number (MLFB) |
6ES7222-1HF22-0XA0 |
| Number of Outputs |
8 (relay type, normally open) |
| Output Voltage Range |
24V DC to 230V AC (50/60 Hz) |
| Output Current per Channel |
2A (resistive load), 0.5A (inductive load per UL) |
| Total Output Current (per module) |
8A max (resistive, all channels active) |
| Switching Frequency |
10 Hz (resistive load), 0.5 Hz (inductive load) |
| Isolation |
Galvanic isolation between outputs and backplane bus; 1500V AC for 1 minute |
| Output Groups |
2 isolated groups (4 outputs per group, shared common terminal) |
| Load Supply Voltage |
24V DC (20.4 to 28.8V) or 120/230V AC (93 to 264V AC) |
| Backplane Bus Supply |
5V DC from S7-200 CPU (via expansion connector) |
| Power Consumption (from backplane) |
Typical 2.5W (logic only) |
| Power Consumption (load supply) |
Depends on load; max 20W per group |
| Dimensions (W x H x D) |
71.2 mm x 80 mm x 62 mm |
| Weight |
Approx. 120 g |
| Mounting |
DIN rail (EN 50022) or panel mounting (4x M4 screws) |
| Wiring |
Screw-type terminals, 0.5 to 1.5 mm² (AWG 20-16) |
| Operating Temperature |
-25°C to +55°C |
| Storage Temperature |
-40°C to +70°C |
| Relative Humidity |
5% to 95% (non-condensing) |
| Protection Class |
IP20 (enclosure) |
| Standards & Certifications |
CE, UL 508, cULus, CSA, FM (Class I Div 2) |
| Compatible CPUs |
S7-200 CPU 221, 222, 224, 224XP, 226, 226XM |
| Expansion Capacity |
Up to 7 modules per CPU (max 8 in total with CPU 226) |
| Typical Applications |
Motor starters, solenoid valves, indicator lamps, contactor coils |
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