Allen-Bradley ControlLogix User Manual

1756-6.5.3 - December 1999
11-14 Adding an I/O Chassis to an Existing ControlNet Network
2. Make sure that these parameters to are set to the following values:
3. Click on OK.
Survey the Network for Connected Devices
Next, have RSNetWorx for ControlNet survey the network for all connected
devices.
1. Check the Edits Enabled box.
2. From Selection pull-down menu, select Survey Network.
In this field Select
Network_Update_Time (ms)
5 ms
(1)
(1)
Remember that the requested packet interval (RPI) for any of the devices on the network
cannot be faster than the NUT.
Max Scheduled Address
10
(2)
(2)
This should be set to a value 3 or 4 above the highest scheduled node on the network, in this
case the 1756-CNB module at node 6.
Max Unscheduled Address
17
(3)
(3)
At a minimum, this should be set to the highest node address on the network, in this case
the 1784-KTXC15 card at node 17.

Allen-Bradley ControlLogix Specifications

General

Communication	EtherNet/IP, ControlNet, DeviceNet, DH+
I/O Capacity	Up to 128, 000 I/O points (varies by configuration)
Redundancy	Supported (with specific modules)
Programming Software	Rockwell Automation Studio 5000 Logix Designer
Operating Temperature	0°C to 60°C (32°F to 140°F)
Programming Languages	Ladder Logic, Function Block Diagram, Structured Text, Sequential Function Chart
Modularity	Yes
Certifications	UL, CE
Processor Type	Multiple options available, including standard, safety, and extreme environment processors
Power Supply	Multiple options available, including standard and redundant power supplies with various voltage ranges (e.g., 24V DC, 120/240V AC)