Flowserve DDC-100 Master Station II - Manual (Page 38)

38 DDC-100 Master Station II Installation and Operation Manual FCD LMAIM5001-00
Flow Control Division
Limitorque Actuation Systems
DCS Requested Register = [(field unit address –1) * number of registers per unit] + desired register
Touching the “View/Edit” button for Modbus 05/15 will take the user to a screen similar to Figure 7-9.
This screen permits the user to select desired coils/MOV.
01 —Read Coil Status
Reads the ON/OFF status of discrete outputs (coils) in the field units. This data table is configured with the
Modbus Function code 05/15 parameters.
05 —Force Single Coil / 15 —Force Multiple Coil
Forces only a single coil to either the ON or OFF state (15 Forces multiple coils to either the ON or OFF
state). This is a configurable value.
Figure 7-9: The Force Coils screen
When the users selects the coils to be mapped into the DCS Data table, the toggle switch will display a
green dot. All coils between the first selected toggle switch and the last toggle switch selected will be
displayed. Once the selections have been completed, touching the “View >>” button will display a sample
Data Table for the first 12 coils (Figure 7-10).
Modbus Coils
AS-1
Close/Stop
Select Desired Coils/MOV
Open/Stop
AS-2 AS-3 AS-4
AR-3 AR-2 AR-1
Store View >> << Back
Always
On
Always
On