ICP DAS USA ICP CON GW-7557 User Manual page 37

Figure 24 Parameter settings of GW-7557
Step 4: Set the GW-7557 modules, as shown in Figure 25
 Select "System setting" module: "System setting" module always has
to be selected otherwise no communication can be established
between the gateway and the Modbus network.
 Select "Output module" module: In this example a "16 Words
Output" module is selected.
 Select "Input module" module: In this example a "16 Words Input"
module is selected.
GW-7557 PROFIBUS/HART Gateway User Manual (Version 1.00, Dec/2011) PAGE: 37