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RUI/Gateway & Modbus

®

 TCP  

 

      Configuration & Programming Example  

 

                 Using KEPServerEX 4.0 

Watlow  
1241 Bundy Blvd 
Winona, MN 55987 
Telephone: 507-494-5656 
© 2008 Watlow Electric Mfg Co                                1 

FM 4/08 

 

Configuring the EZ-ZONE

®

 RUI/Gateway 

 

 
1. 

This White Paper is not meant to be an exhaustive step-by-step discussion in configuring the  

 

RUI/Gateway, for this work has already been done in two other published EZ-ZONE

®

 

user  

 

manuals. For instance, if needing assistance in setting the RUI/Gateway IP (

I

nternet 

P

rotocol)  

 

address or if you are simply looking for general information pertaining to Modbus

®

 TCP as it is  

 

used with EZ-ZONE

®

 

controls

 

point your internet browser to the Watlow website    

 

 

(

http://www.watlow.com

) and download the EZ-ZONE

®

 

PM Communications user manual and  

 or 

the

 

EZ-ZONE

®

 

RUI/Gateway user manual.   

 

2. 

Prior to looking closer at the RUI/Gateway configuration prompts let’s first take a look at the 
network in use. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 
 
 
 
 

Summary of Contents for RUI/Gateway

Page 1: ...ady been done in two other published EZ ZONE user manuals For instance if needing assistance in setting the RUI Gateway IP Internet Protocol address or if you are simply looking for general informatio...

Page 2: ...ettings will need to be entered Further explanation of these prompts and their associated enumerated values will follow 6 After completing the configuration as shown above as well as your Com 1 settin...

Page 3: ...ramming Example Using KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 3 FM 4 08 9 Provide a name for the channel 10 In this example the device...

Page 4: ...ple Using KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 4 FM 4 08 11 Select the appropriate hardware network adapter used on the network 12...

Page 5: ...94 5656 2008 Watlow Electric Mfg Co 5 FM 4 08 13 The next selection allows for multiple masters on the network When multiple masters exist on a network talking reading writing to the same slaves possi...

Page 6: ...ample Using KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 6 FM 4 08 15 Once the channel configuration is complete it is now time to configur...

Page 7: ...7 FM 4 08 17 Recall that in steps 1 3 it was said that there are other configuration steps that need to be addressed that are not covered in this paper As an example of those parameters that need to b...

Page 8: ...g KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 8 FM 4 08 19 If communications fail between KEPServerEX and RUI Gateway stop polling device...

Page 9: ...ration Programming Example Using KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 9 FM 4 08 21 Use the defaults for port number and IP protocol...

Page 10: ...6 2008 Watlow Electric Mfg Co 10 FM 4 08 23 The graphic below shows the default Modbus word order which also represents the default Modbus word order for the RUI Gateway Low High 24 Coil access is not...

Page 11: ...xample Using KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 11 FM 4 08 25 KEPServerEX allows for imported tags via a text file 26 Any tag ret...

Page 12: ...tant to keep in mind that there is a unique Modbus address set aside for that member As an example note that as found in the EZ ZONE PM Communications user manual under the Operations Page Process Val...

Page 13: ...61 offset 10000 PV1 of PM4 415361 offset 15000 29 Now that we know the finer details of the Modbus offset prompts lets go back to KEPServerEX and look closer at the tag configuration and properties As...

Page 14: ...bles are configured and made available to KEPServerEX a similar screen as shown below should be displayed 32 The above examples represent tags for inputs where a similar procedure beginning at step 29...

Page 15: ...e addresses given in defining the CLSP for each of the four PM controls 33 In the screen shot above we now see a series of inputs and outputs that have been configured within KEPServerEX To test the l...

Page 16: ...or 80 words to any available parameter of their liking It is recommended that when doing this configuration that the parameters data type be considered It is much easier to set up a contiguous block...

Page 17: ...ve as well the enumerated values shown in each of these Modbus registers represents the actual Modbus registers for each of the 80 corresponding Assembly Working Addresses To find what these Modbus re...

Page 18: ...sing KEPServerEX 4 0 Watlow 1241 Bundy Blvd Winona MN 55987 Telephone 507 494 5656 2008 Watlow Electric Mfg Co 18 FM 4 08 38 Changing an element in the assembly is EZ A new tag was created as shown be...

Page 19: ...f User Programmable Memory Blocks Again focus on the address below This particular address represents the Assembly Working Address for pointer 12 40 Now that the tags are created execute the OPC quick...

Page 20: ...Telephone 507 494 5656 2008 Watlow Electric Mfg Co 20 FM 4 08 42 Lastly in the screen shot below notice that the 12th pointer has indeed been changed to Idle Set Point circle and the tag created to re...

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