Watlow Electric Gateway & DeviceNet - Manual (Page 16)

RUI/Gateway & DeviceNet TM
Configuration & Ladder Logic Example
Using an Allen-Bradley CompactLogix PLC
Watlow
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© 2007 Watlow Electric Mfg Co 16
4/08
29. Each of the members shown above are passed implicitly to and from the gateway to the PLC
with little to no programming.
Note:
If you are interested in learning more about how to change either of the implicit assemblies
download the PM Communications manual from the Watlow website. Refer to step one for the
link to Watlow’s website.
30. For ease in programming it is suggested (but not necessary) that two user defined data types
be created reflecting the default assembly structures (or the user defined structure) as shown
below. In the examples that follow two user defined data types will be used which correspond
with the network architecture as shown in step 17 for both T to O and O to T assemblies.
Custom O to T Data Type Custom T to O Data Type