Page 18 AN-X4-AB-DHRIO (DH+) Nov 2022
Using Programming Software
AN-X emulates a 4-slot ControlLogix rack with a 1756-ENET in Slot 0 and a 1756-DHRIO in slot 1.
The emulated DHRIO has only channel A since the AN-X has only one Data Highway Plus network
port. A computer running programming software such as RSLogix 5 can connect to a PLC-5 or other
PLC on Data Highway Plus through the AN-X , just as you would with a real 1756-ENET or
equivalent Ethernet module and a 1756-DHRIO.
Configuring the AN-X4-AB-DHRIO (DH+) in RSLinx
To use an AN-X4-AB-DHRIO (DH+) module with Rockwell programming software such as
RSLogix 5, you must first configure a driver in RSLinx to access the AN-X module.
The following instructions assume that:
• AN-X has been configured and is active on the Ethernet network
• AN-X has been connected to the Data Highway Plus network
• the AN-X Data Highway Plus station number and baud rate have been assigned and are
compatible with the existing Data Highway Plus network
EtherNet/IP Driver
In most cases, this driver is the one you will find most convenient. Note that this driver may already
have been added to your RSLinx configuration. You don’t need to add another instance for the
AN-X.
This driver works for the AN-X base IP address but not for aliased IP addresses. For aliased IP
addresses, use the Ethernet Devices driver.
Use the following steps to configure the AN-X4-AB-DHRIO (DH+) in RSLinx.
1. Select Communications/Configure Drivers…
2. From the list of Available Driver Types:, select EtherNet/IP Driver and click Add New…
3. Give the driver a name
4. Select the adapter that connects the computer to the subnet on which the AN-X is found.
Click Close.
The AN-X will now appear when you expand the driver in RSLinx.
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