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Epsilon Ei DeviceNet Drive Reference Manual
Host Mode Enable
Host Mode Enable allows the user to decide where the control will occur from the DeviceNet
network. Host Mode Enable allows the user to ignore hardwire inputs. Conversely, non-host
mode logically OR’s the Inputs with the DeviceNet function.
Enabling the “Host Mode” gives the host (DeviceNet Master) exclusive control of the
following parameters:
Index Select and Index Initiate
Jog +, Jog -, Jog Fast,
Home Initiate
Define Home
Brake Control and Release
All other functions will be logically OR’ed with hardwire and Modbus inputs when in Host
mode.
Host mode is useful when access to the hardwire I/O needs to be switched from “DeviceNet
only” to “DeviceNet I/O or Hardware I/O.”
Figure 5: Ei-DN Input Processing Logic Diagram
Ei-DN Input Processing Logic
Non-Host Mode Hardwire Input
Non-Host Mode DeviceNet Input
Non-Host Mode Modbus Input
Non-Host Mode Output
Modbus Brake Release
Hardwire Brake Release
DeviceNet Brake Release
Brake Release
Host Mode
EN
Modbus Brake Control
Hardwire Brake Control
DeviceNet Brake Control
Brake Control
Host Mode
EN
Modbus Define Home
Hardwire Define Home
DeviceNet Define Home
Define Home
Host Mode
EN
Modbus Home Initiate
Hardwire Home Initiate
Host Mode
EN
DeviceNet Home Initiate
Home Initiate
Host Mode
EN
Hardwire Jog Fast
DeviceNet Jog Fast
Jog Fast
Modbus Jog Fast
Host Mode
Host Mode
Hardwire Jog-
DeviceNet Jog-
Jog-
Modbus Jog-
Host Mode
Modbus Jog+
Host Mode
EN
DeviceNet Jog+
Index Jog+
EN
Modbus Index Initiate
Hardwire Index Initiate
Host Mode
DeviceNet Index Initiate
Index Initiate
EN
Modbus Index Initiate
Hardwire Index Initiate
Host Mode
DeviceNet Index Initiate
Index Initiate
Modbus Index Select
Hardwire Index Select
Host Mode
EN
DeviceNet Index Select
Index Select
EN