The Siemens SIMATIC S5 6ES5491-0LC11 Adaption Capsule is a critical interface component within the S5 automation family, engineered to bridge signal paths between field devices and the central controller. This module serves as a passive adaption capsule, providing mechanical and electrical isolation for up to 16 digital or analog I/O points, depending on the backplane configuration. It is fully compatible with standard S5 racks such as the 6ES5-490-xxx series, and its ruggedized design ensures stable performance in harsh manufacturing environments, including high-vibration zones near motors or conveyors. The capsule’s screw-terminal blocks simplify field wiring, while its IP20-rated housing protects against dust and accidental contact. For legacy system upgrades or spare part replacements, the 6ES5491-0LC11 offers a drop-in solution that maintains the original system’s integrity without requiring firmware changes.
| Parameter |
Specification |
| Product Type |
Adaption Capsule (Passive Interface Module) |
| Model Number |
6ES5491-0LC11 |
| System Compatibility |
Siemens SIMATIC S5 (all standard rack versions) |
| Number of Channels |
16 (max, depending on backplane slot) |
| Signal Type Supported |
Digital (24V DC) or Analog (0-10V, 4-20mA) – passive pass-through |
| Connection Method |
Screw terminals, 2.5 mm² (14 AWG) max conductor size |
| Rated Voltage (Isolation) |
500V AC between channels and system bus |
| Operating Temperature |
-25°C to +60°C (-13°F to +140°F) |
| Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
| Relative Humidity (non-condensing) |
5% to 95% |
| Protection Class |
IP20 (NEMA 1 equivalent) |
| Electromagnetic Compatibility (EMC) |
EN 50081-2 (emission), EN 50082-2 (immunity) for industrial environments |
| Vibration Resistance |
10-58 Hz: 0.075 mm amplitude; 58-150 Hz: 10 m/s² |
| Shock Resistance |
15 m/s², 11 ms duration (half-sine) |
| Dimensions (W x H x D) |
Approx. 40 mm x 125 mm x 120 mm (1.57 in x 4.92 in x 4.72 in) |
| Weight |
Approx. 0.15 kg (0.33 lb) |
| Certifications |
CE, UL (listed for industrial control equipment) |
| Mounting |
DIN rail (35 mm) or direct screw mounting to backplane |
| Included Accessories |
Mounting bracket, screw terminal labels (user-supplied wires) |
| Lead Time |
In stock – immediate shipment for standard orders |
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