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- Stock: In Stock
- Model: 1756-DHRIO
- Weight: 0.50kg
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For any quality issues that arise during normal use within the warranty period, we will repair the item free of charge. The buyer is responsible for the return shipping cost, while our company will cover the cost of re-shipping the repaired item.
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Fasstobuy: 1756-DHRIO Allen-Bradley PLC 2 Channel DH485/DF1 Bridge Module New
Features
Separate communication modules are available for different networks. Install multiple communication modules into the ControlLogix backplane to bridge or route control and information data between different networks. You can route a message through a maximum of four chassis (eight communication hops). You do not need a ControlLogix controller in the chassis.
ControlLogix-XT communication modules for extreme environments are available for EtherNet/IP, ControlNet, and Data Highway Plus and Remote I/O networks.
The 1756-DHRIO module supports messaging between devices on DH+™ networks. The remote I/O
functionality enables the module to act as a scanner for transferring digital and block-transfer data to and
from remote I/O devices.
Specification
Attribute | 1756-DHRIO/E | 1756-RIO/B |
Communication rate | 57.6 Kbps, 115.2 Kbps, 230.4 Kbps | |
Remote I/O communication | Remote I/O scanner only 32 logical rack connections per remote I/O channel 16 block-transfer connections per remote I/O channel | Remote I/O scanner or adapter 32 physical racks (0…76), any combination of rack size and block transfers |
Connections supported, max | 32 | 10 scheduled I/O |
Current draw @ 5.1V DC | 850 mA | 450 mA |
Current draw @ 24V DC | 1.7 mA | 5 mA |
Power dissipation | 4.5 W | 2.5 W |
Thermal dissipation | 15.4 BTU/hr | 8.5 BTU/hr |
Isolation voltage | 30V (continuous), basic insulation type, DHRIO A/B to backplane, and DHRIO A/programming port to DHRIO B No isolation between DHRIO A and Programming port Type tested at 877V DC for 60 s | 50V (continuous), basic insulation type, RIO communication lines to backplane Type tested at 500V AC for 60 s |
Slot width | 1 | |
Module location | Chassis-based, any slot | |
Chassis | 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 | |
Power supply, standard | 1756-PA72/C, 1756-PA75/B, 1756-PB72/C, 1756-PB75/B, 1756-PC75/B, 1756-PH75/B | |
Power supply, redundant | 1756-PA75R, 1756-PB75R, 1756-PSCA2 | |
Ports | 2, individually selectable for DH+ or remote I/O | 1 for remote I/O |
Screw terminal torque | - | 0.5…0.6 N•m (5…7 lb•in) |
Wire size | 0.519 mm2 (20 AWG) Belden 9463 copper twinaxial | |
Wiring category | 2 - on DHRIO ports 3 - on local programming port | 2 - on RIO ports |
North American temperature code | T4A | |
IEC temperature code | T4 | - |
Enclosure type rating | None (open-style) | |