Instruction Manual

Instruction Manual Supplement
D103987X012
L2e Controller
May 2014
3
Changing the Inputs Settings from Single Dry Contact to Dual Dry
Contacts
Note
All configuration within the valve is done by setting values in Modbus registers. This can be done using any Modbus master (flow
computer, PLC, PC). Configuration software, providing a visual interface to the registers, is available through your Emerson Process
Management sales office or Local Business Partner or at www.Fisher.com.
Refer to the “Changing the Inputs from Default Settings” in the D3 or D4 Control Valve with easyDrive Electric Actuator
instruction manual for instructions on how to connect to and communicate with the easyDrive Electric Actuator.
L2e Single Dry Contract Control to Dual Dry Contact Control
Once communications have been established with the easyDrive actuator, change register 40043 to configure the
inputs to Dual Dry Contacts as follows:
D Modbus
Set register 40043 (Analog I/P mode) to 0 (L2e Dual Dry Contact)
D Configuration Software
Use radio button to select L2e Dual Dry Contact local digital control when Control Source is set to Local. Click “update”
to accept the change.
Configuration is complete. Replace cover and put system in service.