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Instruction Manual

D103597X012

D4 Valve with easy-Drive Actuator

November 2013

Changing the Inputs f rom Default Settings

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 local business partner or the Fisher website.

Modbus setup

Use the instructions in the instruction manual for the Modbus master to initiate the connection. The D4 with

easyDrive electric actuator Modbus factory defaults are Address 1, 9600 baud, even parity, 1 stop bit.

When a connection has been achieved, theactuatormaybeconfiguredtoaccepttheinputsignalovertheModbus

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

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Emerson easy-Drive Installationshandbuch Seite 13