Catalogs > Essentials Catalog (Europe) > Connectivity > Distributed I/O
Distributed I/O
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CompactBlock LDX I/O Blocks | |
CompactBlock I/O for DeviceNet | |
ArmorBlock Digital I/O Blocks | |
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- Low Cost, Compact size
- Accommodates a broad range of I/O applications up to 32 I/O including analog expansion blocks
- Easy to install and use
- Removable terminal blocks to save maintenance cost
- Output short-circuit protection
- No software is needed to configure RIO blocks, done via DIP switches
- Includes DeviceLogix™ Smart Component Technology enabling localized, simple control functions for faster sense-to-actuation times
Discrete I/O
DeviceNet Bases
| Description | Cat. No. |
| DeviceNet, 24V DC CompactBlock I/O, 16 out source, base | 1791D-0B16P |
| DeviceNet, 24V DC CompactBlock I/O, 8 out source, base | 1791D-0B8P |
| DeviceNet, 24V DC CompactBlock I/O, 16 out sink, base | 1791D-0V16P |
| DeviceNet, 24V DC CompactBlock I/O, 16 in sink, base | 1791D-16B0 |
| DeviceNet, 24V DC CompactBlock I/O, 16 in source, base | 1791D-16V0 |
| DeviceNet, 24V DC CompactBlock I/O, 4 in sink (not expandable) | 1791D-4B0 |
| DeviceNet, 24V DC CompactBlock I/O, 4 in sink/4 out source, base | 1791D-4B4P |
| DeviceNet, 24V DC CompactBlock I/O, 8 in sink/8 out source, base | 1791D-8B8P |
| DeviceNet, 24V DC CompactBlock I/O, 8 in source/8 out sink, base | 1791D-8V8P |
Remote I/O Bases (RIO)
| Description | Cat. No. |
| RIO, 24V DC CompactBlock I/O, 16 out source, base | 1791R-0B16P |
| RIO, 24V DC CompactBlock I/O, 16 in sinking, base | 1791R-16B0 |
| RIO, 24V DC CompactBlock I/O, 4 in sink/4 out source, base | 1791R-4B4P |
| RIO, 24V DC CompactBlock I/O, 8 in sink/8 out source, base | 1791R-8B8P |
| RIO, 24V DC CompactBlock I/O, 8 in source/8 out sink, base | 1791R-8V8P |
PROFIBUS Bases
| Description | Cat. No. |
| PROFIBUS, 24V DC CompactBlock I/O, 16 out sourcing, base | 1791P-0B16P |
| PROFIBUS, 24V DC CompactBlock I/O, 16 in sinking, base | 1791P-16B0 |
| PROFIBUS, 24V DC CompactBlock I/O, 4 in sink/4 out source, base | 1791P-4B4P |
| PROFIBUS, 24V DC CompactBlock I/O, 8 in sink/8 out source, base | 1791P-8B8P |
| PROFIBUS, 24V DC CompactBlock I/O, 8 in source/8 out sink, base | 1791P-8V8P |
Universal Expansion Blocks ¬
| Description | Cat. No. |
| 24V DC CompactBlock I/O Expansion, 16 out source | 1791D-0B16PX |
| 24V DC CompactBlock I/O Expansion, 16 out sink | 1791D-0V16PX |
| 24V DC CompactBlock I/O Expansion, 16 in sink | 1791D-16B0X |
| 24V DC CompactBlock I/O Expansion, 16 in source | 1791D-16V0X |
| Analog CompactBlock I/O Expansion, 4 inputs, 2 outputs | 1791D-N4CV2X |
Optional Components
| Description | Cat. No. |
| 24V DC Block I/O longer ribbon cable, 15 cm | 1791D-15CMCBL |
| 24V DC Block I/O replacement ribbon cable, 4 cm | 1791D-4CMCBL |
| Block I/O replacement terminal block, 21-pin NEMA | 1791D-RTBN21 |
| RIO 6-position connector, lock screws | 1791R-RIOSCON |
| ¬ Universal expansion blocks function with DeviceNet, RIO and PROFIBUS Bases – 1 expansion per base block. | |
See publication 1791D-PP002… or 1791D-TD001… for complete product information.