ETHERNET/IP IMPLICIT COMMUNICATIONS INTERFACE
The Ethernet/IP interface of the RCS2 supports Real-
Time Implicit messaging using the Assemblies specified in
this manual. The Implicit data is continuously exchanged.
In contrast, Explicit messaging is done periodically “on-
demand”. The RCS2 Explicit commands are described in
a separate document.
The Ethernet/IP Implicit Interface for the RCS2 Controller
is defined as a set of seventeen 16 bit words of input plus
a set of seventeen 16 bit words of output. The Assembly
instances are defined for the controller as follows:
NOTE
When defining the IO Instances to the host
system, specify the input object of the controller
as the output object of the host and the output ob-
ject of the controller as the input object of the host.
RCS2 will ignore any incoming EIP commands
until the system has completed its boot-up tasks.
Number
Instance
Count
Size
Input
103 (0x67)
17
16 bits
Output
119 (0x77)
17
16 bits
Configuration
1 (0x01)
0
8 bits
The Output bit definitions are shown in Table 1 and the Input
bit definitions are shown in Table 2 on the following pages.
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