

The SIEMENS SIMATIC S5 6ES5491-0LB11 Adaption Capsule is a robust interface module engineered to condition and isolate analog signals within legacy S5 automation systems. This capsule ensures high signal integrity by filtering electrical noise and providing galvanic isolation between field devices and the controller’s analog input modules. Its compact design allows direct mounting on standard DIN rails, reducing installation complexity in retrofit or maintenance projects. With over two decades of field-proven reliability, the 6ES5491-0LB11 remains a critical component for maintaining uptime in existing S5 installations.
| Parameter | Specification |
|---|---|
| Product Type | Adaption Capsule for Analog Signals |
| Model Number | 6ES5491-0LB11 |
| System Compatibility | SIEMENS SIMATIC S5-100U, S5-115U |
| Input Signal Types | 0-10V, 0-20mA, 4-20mA (configurable per application) |
| Galvanic Isolation | Yes, between input and output channels |
| Noise Rejection | Common mode rejection > 80 dB at 50/60 Hz |
| Operating Voltage | 24 V DC (via backplane bus or external supply) |
| Power Consumption | Typically 2.5 W |
| Ambient Temperature Range | 0°C to +60°C (operating), -25°C to +75°C (storage) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Connection Type | Screw terminals, 2.5 mm² max wire size |
| Dimensions (W x H x D) | 40 mm x 125 mm x 115 mm |
| Weight | Approx. 0.15 kg |
| Protection Class | IP20 |
| Certifications | CE, UL, cUL (when used in approved systems) |
| Mounting | DIN rail (EN 50022) or direct screw mounting |
| Shipping Weight | 0.2 kg (packed) |

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