HORNER HE800PCU100, Configuration

Page: 4 / 10

PAGE 4 19 APR 2005 MAN0790-01
2. Build Ladder Code
a. Write Ladder Code to support the register assignments described in Tables 1 and 2. Example ladder
code is located after the tables.
Table 1 – Transfers From Master Control to PCU Unit
Network
Variable
Source
ID
Example OCS
Register
NAME MIN MAX
%AQG1 4 %AI1 PRESSURE 0 1250 psi
%AQG2 4 %AI2 FLOW RATE 0 1250 gpm
%AQG3 4 %AI3 TEMPERATURE 0 1250 degrees
%AQG4 4 %AI4 LEVEL 0 125 feet
Description
%QG1 1 %M1 PRINT TREND Momentary
%QG2 1 %M2 CANCEL PRINT Momentary
%QG3 1 %M3 STORE DATA Toggle - On state stores data
%QG4 1 %M4 CLEAR DATA Momentary
%QG5 1 %M5 SCALE RANGE
(Time)
Toggle – On state =
0-25 minutes – samples every
3 seconds.
Off state =
0-25 hours – samples every 30
seconds
%AQG1 1 %R1 Customer name field
length Number of charters in
customer field
%AQG2 1 %R2 Customer name field 30 ASCII Characters max –
(15 registers)
%AQG1 2 %R21 Job number field
length Number of characters in job
number field
%AQG2 2 %R22 Job number field 30 ASCII Characters max –
(15 registers)
%AQG1 3 %R41 Purchase order field
length Number of charters in
Purchase order field
%AQG2 3 %R42 Purchase order field 30 ASCII Characters max –
(15 registers)
Table 2 – Transfers From PCU unit to Master Control Unit (OCS)
Network
Variable
Source
ID
Example OCS
Register
NAME MIN MAX
%AQG1 10 * %R61 Print status bar 0 100 %
* Default PCU Network ID