Commreq Differences: Genius Bus Controllers And Genius Gateway - Emerson PACSystems RX3i User Manual
Genius communications gateway
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GFK-2892G
6.3.6
COMMREQ Differences: Genius Bus Controllers and
Genius Gateway
COMMREQs supported by the Genius Gateway (GCG) are intended to perform the same
functions as their Genius Bus Controller (GBC) counterparts. However, there are four
significant differences that break compatibility with the GBC COMMREQ Command Blocks:
2. As a result of (1) above, any COMMREQ command parameters above Address +7
3. SYSID consists of the Rack/Slot location of the PROFINET Controller networked to
4. For COMMREQs that return data to CPU memory, e.g., Read Configuration, the
The following table shows all Genius COMMREQs and where they are supported.
Table 3:
COMMREQ#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
COMMREQ/Data_Init_Comm Programming
1. GCG COMMREQs require a PROFINET Device Number at Address +7. This value is
required to identify which PROFINET /GCG combination is expected to process the
COMMREQ.
are shifted with respect to the comparable GBC COMMREQ.
the targeted GCG rather than the Rack/Slot location of the GBC.
Memory Offset field has been expanded from one to two words. This allows the use
of bulk memory (%W) addresses greater than 65,535. When using offsets less than
or equal to 65,535, the more significant offset word must be zero.
Function
Pulse Test
Read Configuration
Write Configuration
Read Diagnostics
Clear Circuit Fault
Clear All Circuit Faults
Assign Monitor
Outputs Enable/Disable
Global Data Enable/Disable
Switch BSM
Read Device
Write Device
De-Queue Datagram
Send Datagram
Request Datagram Reply
I/O Faults Enable/Disable
Do Output
Read Bus Address of Bus Controller
GCG
GBC 30
Chapter 6
Sep 2019
GBC 70
64
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