Catalogs > Automation Systems Catalog > I/O > In-Cabinet Distributed I/O > 1791D/P/R CompactBlock I/O
1791D/P/R CompactBlock I/O
| Introduction |  |
Product Design | |
Communication | |
Typical Configuration | |
Specifications | |
| Digital I/O Base Blocks | |
Digital I/O Expansion Blocks | |
Analog I/O Expansion Blocks | |
Accessory Products | |
- Built-in DeviceNet (1791D), Universal Remote I/O (1791R), or PROFIBUS DP (1791P) I/O adapter with up to 16 I/O points.
- DeviceLogix Smart Component Technology included in DeviceNet base blocks.
- Each base block supports one digital or analog CompactBlock expansion block (except for 1791D-4B0, which is not expandable).
- Removable screw-clamp terminal strips.
Digital DC Input Base Blocks
| Cat. No. | 1791D-4B0‡ | 1791D-16B0 | 1791R-16B0 | 1791P-16B0 | 1791D-16V0 |
| Termination Type | Screw-clamp | Screw-clamp | Screw-clamp | ||
| Number of Inputs | 4 Sink, Non-isolated (1 group of 4) | 16 Sink, Non-isolated (2 groups of 8) | 16 Source, Non-isolated (2 groups of 8) | ||
| Voltage, On-State Input, Nom. | 24V DC | 24V DC | 24V DC | ||
| Voltage, On-State Input, Range | 10…30V DC¬ | 10…30V DC¬ | 10…30V DC¬ | ||
| Current, Off-State Input, Max. | 1.5 mA | 1.5 mA | 1.5 mA | ||
| Network Adapter | DeviceNet | DeviceNet | Universal Remote I/O | PROFIBUS DP | DeviceNet |
| Network Current Load | 200 mA | 200 mA | 250 mA | 250 mA | 200 mA |
| Power Dissipation, Max. | 3.52 W | 7.48 W | 9.78 W | 9.78 W | 7.48 W |
| ¬ Max voltage @ 40 °C; 25V DC @ 60 °C. ‡ Not expandable. |
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Digital DC Output Base Blocks
Outputs are electronically protected.
| Cat. No. | 1791D-0B8P | 1791D-0B16P | 1791R-0B16P | 1791P-0B16P | 1791D-0V16P |
| Termination Type | Screw-clamp | Screw-clamp | Screw-clamp | ||
| Number of Outputs | 8 Source, Non-isolated (1 group of 8) | 16 Source, Non-isolated (2 groups of 8) | 16 Sink, Non-isolated (2 groups of 8) | ||
| Voltage, On-State Output, Nom. | 24V DC | 24V DC | 24V DC | ||
| Voltage, On-State Output, Range | 10…30V DC | 10…30V DC | 10…30V DC | ||
| Current, On-state Output, Max. | 0.5 A | 0.5 A | 0.5 A | ||
| Network Adapter | DeviceNet | DeviceNet | Universal Remote I/O | PROFIBUS DP | DeviceNet |
| Network Current Load | 200 mA | 200 mA | 250 mA | 250 mA | 200 mA |
Digital DC Combination Base Blocks
Outputs are electronically protected.
| Cat. No. | 1791D-4B4P | 1791R-4B4P | 1791P-4B4P | 1791D-8B8P | 1791R-8B8P | 1791P-8B8P | 1791D-8V8P | 1791R-8V8P | 1791P-8V8P |
| Termination Type | Screw-clamp | Screw-clamp | Screw-clamp | ||||||
| Inputs | |||||||||
| Number of Inputs | 4 Sink, Non-isolated (1 group of 4) | 8 Sink, Non-isolated (1 group of 8) | 8 Source, Non-isolated (1 group of 8) | ||||||
| Voltage, On-State Input, Nom. | 24V DC | 24V DC | 24V DC | ||||||
| Voltage, On-State Input, Range | 10…30V DC¬ | 10…30V DC¬ | 10…30V DC¬ | ||||||
| Current, Off-State Input, Max. | 1.5 mA | 1.5 mA | 1.5 mA | ||||||
| Outputs | |||||||||
| Number of Outputs | 4 Source, Non-isolated (1 group of 4) | 8 Source, Non-isolated (1 group of 8) | 8 Sink, Non-isolated (1 group of 8) | ||||||
| Voltage, On-State Output, Nom. | 24V DC | 24V DC | 24V DC | ||||||
| Voltage, On-State Output, Range | 10…30V DC | 10…30V DC | 10…30V DC | ||||||
| Current, On-State Output, Max. | 0.5 A | 0.5 A | 0.5 A | ||||||
| Network Adapter | DeviceNet | Universal Remote I/O | PROFIBUS DP | DeviceNet | Universal Remote I/O | PROFIBUS DP | DeviceNet | Universal Remote I/O | PROFIBUS DP |
| Network Current Load | 200 mA | 250 mA | 250 mA | 200 mA | 250 mA | 250 mA | 200 mA | 250 mA | 250 mA |
| ¬ Max voltage @ 40 °C; 25V DC @ 60 °C. | |||||||||