Product data

Publication 1785-SG001B-EN-P - June 2006
Select Network Communications 25
DeviceNet Network
The 1771-SDN DeviceNet scanner module acts as an interface between
DeviceNet devices and a PLC-5 controller. The scanner module
communicates with DeviceNet devices over the network to:
• read and write inputs and outputs to and from a device.
• download configuration data to a device.
• monitor operational status of a device.
The scanner module is a single-slot module that resides in a 1771 I/O chassis
that either contains
a PLC-5 controller or is on an extended-local I/O link,
remote I/O link, or ControlNet network connected to a PLC
-5 controller. The
scanner module has Auto Device Replacement, change of state, cyclic I/O,
pass-through, and Slave mode capability.
The number of PLC DeviceNet scanners that can reside in the same I/O
chassis is limited only by the I/O chassis size, power supply capacity, and
available memory.
Cat. No. Function Comm.
Rate
Connections Design Considerations Cable Power
Dissipation,
Max
Backplane
Current
Load
1771-SDN Interfaces a local PLC-5
controller to a max of 2
DeviceNet networks
125 Kbps
250 Kbps
500 Kbps
63 connections per
DeviceNet channel
Place in the local I/O
chassis
1771-CD
10-pin linear plug,
1787-PLUG10R
6.3 W 1.2 A

Logix5550 Controller with
1756-DNB Module
DeviceNet
Drive
Motor
Starter
Input/output
Devices
Other
Devices
Laptop
Sensor
Indicator
Lights
Push but-
ton Cluster
Bar Code
Scanner
PLC-5 Controller with
1771-SDN Scanner Module