Instruction Manual
D103460X012
D3 Valve with easy-Drive Actuator
October 2017
10
When a connection has been achieved, the actuator may be configured to accept the input signal over the Modbus
link (ignoring the physical inputs) and the Modbus settings may be changed to accommodate the network to which it
is attached. Other changes to functionality are possible, such as:
D
Low level cutoff: 40037 (default is 5%)
D
Position upon loss of signal: 40035 (default is 0%)
See Appendix A for a full map of Modbus registers and their functions.
Figure 8. Fisher easy-Drive Configuration Software
Connecting using the Fisher easyDrive configuration software
The Fisher easyDrive configuration software allows configuration and diagnosing of the Fisher easyDrive electric
actuator with a graphical interface. Connect a PC to the actuator using a USB or serial device to Modbus RTU converter
using the wiring instructions above. The USB or serial device will be visible in the drop menu under Serial Port Settings.
Baud rate and parity should be set to the Modbus settings of the actuator. Default actuator settings are 9600 baud and
Even parity.
Use the Fisher easyDrive configuration software (figure 8) to make the desired changes, or register values may be
changed to allow different functionality. Modbus register 40034 dictates whether the unit will respond to a physical
