The 1790-0B16X module belongs to the CompactBlock LDX series. It provides 16 sourcing outputs for distributed I/O systems. Each channel supports up to 0.5A of continuous current. Besides that, the module ensures fast response with an off-to-on delay of only 0.5ms. You can rely on its photocoupler isolation for safety. Specifically, the isolation voltage reaches 1250V ac rms. Therefore, this I/O module suits industrial environments where noise immunity matters.
The 1790-0B16X delivers 16 nonisolated sourcing output points. The on-state voltage ranges from 10V dc minimum to 28.8V dc maximum, with 24V dc nominal. Meanwhile, the on-state voltage drop stays below 0.5V dc max. Each channel requires a minimum on-state current of 1 mA. The off-state leakage current does not exceed 0.5 mA max.
For signal timing, the off-to-on delay is 0.5 ms max, while the on-to-off delay reaches 1.0 ms max. Sixteen green status indicators help you monitor every channel. Additionally, each output supports 0.5A max, and the common side handles up to 4.0A max. The common type uses 8 points per common for the 1790-0B16X.
Field power supply voltage nominally sits at 24V dc. Its operating range extends from 10V dc to 28.8V dc. Power dissipation for the base module reaches 1.2W max at 28.8V dc. Moreover, each point dissipates 6 mA at 28.8V dc. The DeviceNet power supply also requires 24V dc nominal, with a range of 11…28.8V dc.
Isolation between I/O and logic uses photocoupler technology. The isolation voltage is rated at 1250V ac rms. For wiring, the module employs a 37-pin D-shell connector. This connection type simplifies field wiring and reduces installation time.
The 1790-0B16X carries an IP20 protection rating. It is designed for use inside control cabinets. Operating temperature typically ranges from 0°C to 55°C. Storage temperature spans -25°C to 85°C. Relative humidity should stay between 5% and 95% non-condensing. Vibration resistance meets IEC 60068-2-6 standards. Shock resistance complies with IEC 60068-2-27.
First, ensure that the field power supply is turned off before wiring. Next, mount the expansion block onto a DIN rail or directly to a panel. Then, connect the 37-pin D-shell cable to the 1790-0B16X. After that, wire the 24V dc field power to the designated terminals. Finally, connect the DeviceNet network cable to the base module.
Furthermore, verify that each output load does not exceed 0.5A. Also check that the total current per common stays below 4.0A. Use copper conductors only, with a wire gauge of 0.5 to 1.5 mm². Tighten all screws to the torque specified in the user manual. Once wiring is complete, apply power and observe the green status LEDs.
1790-0B16X module (1 unit)
37-pin D-shell connector (1 piece, pre-attached)
Installation instructions sheet
DIN rail mounting clips (2 pieces)
Note: No certificates or warranty documents are included.
We ship all orders via FedEx, UPS, or DHL. Delivery typically takes 3-7 business days worldwide.
1. Can the 1790-0B16X drive inductive loads directly?
Yes, but we recommend adding a flyback diode across each inductive load. This practice protects the output transistors from voltage spikes.
2. What happens if I exceed 0.5A per output on the 1790-0B16X?
The module may overheat and trigger thermal shutdown. Prolonged overload can permanently damage the output channel.
3. Do I need an external power supply for the 1790-0B16X?
Yes. You must provide a separate 24V dc field power supply. The module does not draw field power from the DeviceNet cable.
4. Is the 1790-0B16X compatible with older 1790 systems?
Absolutely. It works as both a base and expansion block within the same 1790 CompactBlock LDX family.
5. How do I know if an output is active on the 1790-0B16X?
Each of the 16 channels has a green LED indicator. The LED turns on when the output is sourcing current.
| Brand Name | Allen-Bradley |
| Model No. | 1790-0B16X |
| Product Type | Digital Output Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
The 1790D-0B16 from Allen‑Bradley is a DeviceNet CompactBlock LDX module. It provides 16 sourcing outputs at 24V DC. Each output supports up to 0.5A with a 4.0A common rating. The unit uses a 37‑pin D‑shell connector for easy wiring. Communication rates are selectable at 125, 250, or 500 kbps. Green LEDs monitor all 16 output points.
The 1790-T8BV8BX by Allen‑Bradley is a digital expansion module for the CompactBlock LDX series. It delivers 8 universal inputs and 8 digital outputs at 24V DC. Each output supports up to 0.5A. Green LEDs show status at a glance. A D‑shell connector simplifies wiring. This unit suits distributed I/O applications with DeviceNet™ networks.
The Allen-Bradley 1790-0V16X provides 16 nonisolated sinking outputs for DeviceNet networks. It operates at 24V dc nominal with a 0.5A rating per channel. The module features fast 0.5ms off-to-on delays and photocoupler isolation. Wiring uses a standard 37-pin D-shell connector.
The Allen-Bradley 1790-0W8X provides 8 Form A relay outputs for mixed voltage applications. It switches both DC (5-24V) and AC (30V) loads at 2.0A. The module includes photocoupler isolation and a 37-pin D-shell connector. Ideal for motor controls, solenoid drives, and signal switching.
The Allen‑Bradley 1762‑L40AWA is a MicroLogix 1200 programmable controller with 24 AC inputs and 16 relay outputs. It operates on 120/240V AC power and supports DF1, DH‑485, ASCII, and Modbus protocols. This compact PLC is ideal for small to medium control applications requiring reliable performance.
The Allen‑Bradley 1762‑L40AWAR is a MicroLogix 1200 programmable controller with 24 AC inputs and 16 relay outputs. It operates on 120/240V AC power and features dual communication ports supporting DF1, DH‑485, ASCII, and Modbus protocols. This compact PLC is ideal for small to medium control applications.
The Allen‑Bradley 1762‑L40BWAR is a MicroLogix 1200 programmable controller with 20 standard 24VDC inputs, 4 fast 24VDC inputs, and 16 relay outputs. It operates on 120/240V AC power and features dual serial ports supporting DF1, DH‑485, ASCII, and Modbus protocols. This controller suits high‑speed counting and precision automation tasks.
The 1762‑L40BXB is a compact MicroLogix 1200 controller from Allen‑Bradley. It features 24 inputs, 16 mixed outputs, a 24V DC power supply, and an RS232 port. This unit supports memory expansion and real‑time clock modules, making it versatile for small‑scale automation tasks.
Explore the Bently Nevada 200350-10-00-00 accelerometer from the 200350&200355 series. This article covers key technical specifications, real-world applications, and market relevance for industrial vi
Explore the Bently Nevada 200350-11-00-00 accelerometer, an IP68-rated vibration sensor designed for demanding industrial applications. Learn about its key specs, applications, and how SpareTechPLC ca
Bently Nevada 31000 Series Rack Mount Monitor Guide Product Introduction The Bently Nevada 31000-16-10-15-040-03-02 is a high-density monitoring system. It accepts inputs from various proximity probes and accelerometers. This specific…
Bently Nevada 31000 Rack Mount Power Supply – Installation & Maintenance Guide Product Introduction The Bently Nevada 31000-00-00-00-082-03-02 is a dedicated power supply module. It fits into standard 19-inch racks.…
Fast delivery for urgent requirements.
Large stock ensures immediate availability.
Authentic, high-quality PLC components.
Reliable support to clients worldwide.