Functional Safety, Fully Integrated & Optimized for OEM’s
Fusion.IO is a real-time I/O control platform certified as a SIL3 functional safety device, designed for mission-critical applications requiring high performance and reliability. When configured with DDI’s Interlock Builder™ software utility, Fusion.IO functions seamlessly as a safety interlock controller, ensuring robust system safety and operational integrity.
One of the standout features of Fusion.IO is its exceptional modularity. It supports a broad range of 23 different I/O cards (and growing), offering the industry’s most comprehensive selection of I/O options. This flexibility enables a highly customizable control system, tailored to meet the unique demands of each application.

Fusion24
- Up to 24 I/O Slot Cards
- Real-time EtherCAT sub-device
- SIL3 Rated Functional Safety
- Up to 384 Mixed I/Os
- Supports up to four Remote I/O Modules

Fusion12
- Up to 12 I/O Slot Cards
- Real-time EtherCAT sub-device
- SIL3 Rated Functional Safety
- Up to 192 Mixed I/Os
- Supports up to four Remote I/O Modules

Fusion8
- Up to 8 I/O Slot Cards
- Real-time EtherCAT sub-device
- SIL3 Rated Functional Safety
- Up to 128 Mixed I/Os
- Supports up to four Remote I/O Modules

Fusion24XL
- Same features as Fusion24
- Extended field connector floorplan

FusionXT
- Up to 6 I/O Slot Cards
- Real-time EtherCAT sub-device
- SIL3 Rated Functional Safety
- Up to 96 Mixed I/Os
- Supports up to four Remote I/O Modules
Remote I/O Modules (RIMs)
For expanded control capabilities, Fusion.IO supports I/O expansion via Remote I/O Modules (RIMs), allowing up to 1920 mixed I/O points to be managed through a single EtherCAT node address. This scalability makes Fusion.IO an ideal solution for both small and large-scale systems, providing engineers with unmatched flexibility, modularity, and future-proofing.

RIM24
- Remote I/O Module
- Up to 24 I/O Slot Cards
- Add up to 384 Mixed I/Os
- SIL3 Rated Functional Safety

RIM12
- Remote I/O Module
- Up to 12 I/O Slot Cards
- Add up to 192 Mixed I/Os
- SIL3 Rated Functional Safety

RIM6
- Remote I/O Module
- Up to 6 I/O Slot Cards
- Add up to 96 Mixed I/Os
- SIL3 Rated Functional Safety

RIM24 XL
- Extended RIM24 Chassis
- Enables Floorplan for Field Connectors
- SIL3 Rated Functional Safety
I/O Slot Cards
Type |
Safety Rating |
Channels |
Description |
AIN | 16 | 0-10V, single ended, with common signal ground | |
8 | 0-10V differential, with signal ground offset connection | ||
8 | 0-10V differential inputs, 200 Hz filter | ||
16 | 0-10V differential inputs, 200 Hz filter | ||
AOUT | 8 | 10V+/-, with ground offset | |
16 | 10V+/- , with common signal ground | ||
DIN | SIL3 | 16 | 24V sinking, active HI |
SIL3 | 16 | 5V sinking, active HI | |
SIL3 | 16 | 24V, sinking, active LO, inverted logic (LO gives a logic high) | |
16 | 24V configurable sourcing DIN/sinking DOUT, active LO | ||
DOUT | SIL3 | 16 | 24V sourcing, active HI |
16 | 24V sinking, active LO | ||
8 | 24V opto-isolated | ||
16 | 24V opto-isolated | ||
DIN/DOUT | 16 | 24V configurable sourcing DIN/sinking DOUT, active LO | |
RELAY OUT | 8 | 2A dry contact SPST | |
SIL3 | 4 | 6A dry contact SPST, force guided | |
TC/RTD | SIL3 | 8 | Thermocouple/RTD sensor measurement, temperature interlock monitoring |
TC | 8 | Thermocouple, K-type sensor measurement | |
RTD | 4 | RTD temperature card +/-1 C accuracy | |
SERIAL | 4 | EtherCAT to serial gateway, RS232/485 | |
4 | EtherCAT to serial gateway, RS232/422 |
Interlock Builder
- Interlock BuilderTM
- Graphical software for simple interlock design
- Drag and drop GUI makes the software easy-to-use and learn
- Enables direct programming and validation of a development controller
- Quickly create interlocks with AND, OR, XOR and I/O signals with click of mouse
- Timers enable precision scheduling of IO activation
- Verify interlock with one button programming to a commission a Fusion IO Controller