Flowserve MX Electronic Actuator - Manual (Page 57)

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Limitorque MX Electronic Actuator FCD LMENIM2306-06 – 10/13
flowserve.com
4.12 DN Option
DN option enables the actuator to be controlled by a DeviceNet communications signal. If the option has been purchased,
it is automatically enabled. A DeviceNet System configuration tool must be used by the customer to set the DN address.
NOTE: If the DN option has not been purchased, the screens for changing DN will not be available. To add the DN
option, please consult Limitorque service at (434) 528-4400.
The MX is equipped with the ability to either hardwire to digital inputs for control, set-up for analog control (Modutronic),
or control via network protocols. In order to utilize this feature, then select “Multi-control mode” operation located in
Section 4.16, Remote Mode. This is the default setting for remote control. There are three modes of remote control
when remote mode is configured for multi control: digital control, analog control, and network control. Digital and
network control operation is based on the last command received. Analog operation is initiated by either toggling user
input 2 (configure for CSE input) or breaking and reapplying the analog control.
4.12.1 Status
Default = ON
DN Status enables user to change from the default condition to turn on and off the digital control capability of the
actuator.
4.12.2 Baud Rate
Default = 125K Baud
Baud rate changes the communication speed from the default to match the application.
To Change from the Default Speed:
Select “NO” to choose between 125k, 250k, 500k baud rate depending on the design of the DN system. Refer to the
contract documentation.
4.12.3 Network Address
Default = 1
Network address allows user to assign a unique network address to an actuator.
1. The network address must be entered in accordance with the Instrument Data Sheet, and care must be taken to
ensure that the same address is not used anywhere else in the same network.
2. Select “NO” for small incremental changes or hold it continuously in that position for larger changes until the
required value is displayed. The address may be set at any value between 001 and 63.
4.12.4 Analog Scale
Default = 0-100
Analog scale allows the user to change the scaling of the analog input from the default.
To Change from the Default Range:
Select “NO” until the required scale is displayed. 0-255 and 0-4095 counts are available.
4.12.5 ESD Action
A network ESD function can be enabled after the ESD configuration has been established for the unit. This network ESD
can be selected to either “IGNORE” the network command; or Close, Open, Stop, Position the actuator.