Carlisle Ransburg DynaFlow 77376, Руководство по обслуживанию, Страница: 81 / 96

SERIAL COMMUNICATION
PROTOCOLS
Allen-Bradley RIO
The Interface Module allows for direct commu-nication
from an Allen-Bradley PLC Remote Input/Output (RIO)
port to the DynaFlow Fluid Flow Control system. The RIO
interface portion of the Interface Module contains some
Allen-Bradley components that are licensed to Ransburg.
These are designed specifically to communicate with the
proprietary protocol of the RIO serial link. The central
component being an application specific IC (ASIC) which
is capable of formatting the RIO information for use by the
central processor (CPU).
Up to four Channel Modules (8 flow control CHANNELs)
can be controlled with the Interface Module. The Interface
Module and four Channel Modules constitute half of a stan-
dard 19" rack. In terms of RIO rack size, a full rack consists
of 8 I/O groups. The Interface Module is one I/O group,
but only uses the high byte of the group. Each Channel
Module is one I/O group with the first CHANNEL in the low
byte and the second CHANNEL in the high byte. A RIO 1/4
rack is 2 I/O groups, which consists of the Interface Module
and only one (1) Channel Module. A RIO 1/2 rack is 4 I/O
groups, which may consist of the Interface Module and from
one (1) to three (3) Channel Modules. A RIO 3/4 rack is 6
I/O groups, which may consist of the Interface Module and
from one (1) to four (4) Channel Modules. A RIO full rack
is 8 I/O groups, which may consist of the Interface Module
and from one (1) to four (4) Channel Modules.
The Interface Module accepts both hard-wired discrete
I/O and RIO discrete and RIO block transfers from a PLC.
NOTE
†
Reference the "DynaFlow Programmers's
Manual" for more information.
100%
- 1 = Parts Resin to 1 Part Catalyst
% of Catalyst
Example: 5% catalyst is specified
100%
- 1 = 19 Parts Resin to 1 Part Catalyst
5%
100%
= % of Catalyst
(Parts Resin + 1)
Example: If a ratio setting is 13 (13 parts resin to
1 part catalyst), and I want to know what
percentage of the total mixed material is
resin and what percentage is catalyst.
100%
= 7.14% Catalyst
(13 + 1)
100% - 7.14% = 92.86% Resin
1
2
3
4
4.76
5
6.25
9.09
10
11.11
12.5
14.28
15
16.67
20
25
30
33.33
35
40
45
50
RATIO CONVERSION CHART
% of Catalyst to Total
Volume
Parts of Resin to
1 Part Catalyst
99
49
32.33
24
20
19
15
10
9
8
7
6
5.67
5
4
3
2.33
2
1.86
1.5
1.22
1
Formula for converting percentage of catalyst to
parts of resin:
Formula for converting “parts” to percentage:
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