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The Allen-Bradley 1734-IB4 is a 4-point sinking digital input module designed for distributed control systems using the POINT I/O architecture. Manufactured by Rockwell Automation, this module offers high-speed signal acquisition, compact design, and flexible configuration options for industrial automation environments.
4 sinking inputs grouped in a single block
Wide operating voltage range from 10V to 28.8V DC
User-selectable input filter times for noise immunity
Tool-less installation with 1734-TB or 1734-TBS base assemblies
LED indicators for input, module, and network status
Reinforced insulation tested at 2500V DC for 60 seconds
Low thermal dissipation for energy-efficient operation
Slim profile ideal for space-constrained panels
| Attribute | Value |
|---|---|
| Inputs per module | 4 (1 group of 4), sinking |
| Voltage, on-state (min) | 10V DC |
| Voltage, on-state (nom) | 24V DC |
| Voltage, on-state (max) | 28.8V DC |
| Current, on-state (nom) | 4 mA @ 24V DC |
| Current, on-state (max) | 5 mA |
| Voltage, off-state (max) | 5V DC |
| Current, off-state (min) | 1.5 mA |
| Input impedance (nom) | 3.6 kΩ |
| Input impedance (max) | 4.7 kΩ |
| Input filter time | 0.5 ms hardware + 0–63 ms user-selectable |
| Attribute | Value |
|---|---|
| Dimensions (HxWxD) | 56 x 12 x 75.5 mm |
| Weight | 31.8 g (1.12 oz) |
| Terminal base screw torque | 0.8 Nm (7 lb-in.) |
| Module location | 1734-TB or 1734-TBS |
| Enclosure type rating | None (open-style) |
| Wire size | Determined by terminal block |
| Wiring category | Category 1 (signal ports) |
| Isolation voltage | 50V continuous, tested @ 2500V DC |
| Field power supply voltage (nom) | 24V DC |
| Field power voltage range | 10–28.8V DC |
| Power dissipation @ 28.8V DC | 1.0 W |
| Thermal dissipation @ 28.8V DC | 3.4 BTU/hr |
| POINTBus current (max) | 75 mA @ 5V DC |
| Keyswitch position | 1 |
| Temperature code (NA/ATEX) | T4A / T4 |
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
US$40
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