INTRODUCTION
NOTE
NOTE
DESCRIPTION
The DynaFlowTM System is capable of communicating
with remote host computers or Allen Bradley PLC's via the
Interface Module. The Interface Module supports three (3)
serial ports. Two of these ports can be used to communi-
cate with remote hosts.
The rst port is reserved for debugging purposes and is
not used for communicating with remote hosts.
The second port is called the Serial I/O, or SIO, port. It
may be used to communicate with a remote host computer
using either RS-232C or RS-422. This port may also be
connected to an Ethernet terminal server to allow com-
munications over 10/100 Base-T connections using either
TCP/IP sockets or as a COM port on a Windows-based
PC using a special device driver.
The third port is called the Remote I/O, or RIO, port. It
may be used to communicate with any PLC that supports
Allen-Bradley's Remote I/O (RIO) protocol.
All three of the communication channels may be in use at
the same time. However, data written to the Interface Mod-
ule from one channel is not passed to the other channels.
Any host computer connected to a channel is responsible
for reading data from the Interface Module in order to stay
current with the data within the Interface Module. The In-
terface Module is the master source of all DynaFlow data.
Host computers must read-modify-write data stored in the
Interface Module.
The ow control parameters and job specic
parameters required for each uid is referred to by
different names depending on operator preferences
and installation requirements. Color Table, Job,
P-Set, and Recipe all mean the same thing. The
term Job will be used in this manual. The term Gun
in this manual refers to any applicator such as a bell,
gun, or disk. A Gun can be single-component or
dual-component.
ALLEN-BRADLEY REMOTE
I/O (RIO)
RIO Operation
The RIO interface contains a proprietary Allen-Bradley
application specic IC (ASIC) that is licensed to Ransburg.
This ASIC formats the information to and from the RIO link.
RIO PROTOCOL
The DynaFlow Interface Module communicates with Al-
len-Bradley PLC's using remote I/O protocol. Two types
of data are supported:
1. Discrete I/O
2. Block Transfers
RIO DISCRETE I/O
There are ve (5) words of discrete inputs and ve (5) words
of discrete outputs possible for each DynaFlow Interface
Module. Each DynaFlow Interface Module supports up to
four (4) Channel Cards and each Channel Card has two
(2) Channels for a total of eight (8) Channels. The PLC
discrete I/O RIO output bits are logical OR'd with the discrete
I/O hard-wired signals so that either hard-wired signals or
PLC control signals may control the system. Likewise, the
DynaFlow hard-wired outputs are sent to the PLC via the
discrete I/O RIO inputs.
The DynaFlow System uses two-slot addressing and
appears to a PLC as a collection of 8-bit modules of I/O.
In other words, each module has 8 inputs and 8 outputs.
The Interface Module appears as a single 8-bit I/O module
in slot 1, or the odd slot of a pair of slots. Therefore, the
Interface Module, which reports the System I/O signals,
uses the high byte of word 0.
Each DynaFlow Channel Card appears as two 8-bit I/O
modules. The rst channel appears in the low byte and
the second channel appears in the high byte of each suc-
cessive word in the RIO discrete I/O space.
The following table describes the RIO signals with their
respective bit locations in the discrete I/O RIO words.
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INTRODUCTION
EN
