Specifications

RN: 5-54
RS3: Software Release Notes for P1 R4.2
Changes to RS3 Manuals
IO: Chapter 9 (Configuring PLC Blocks)
IO-9: Section 1 (What is a PLC Interface?)
Description: Changes to the second sentence to include the part
number for the MPC5 MultiPurpose Controller card under this topic
(page 9--1--2).
PLC Interface Hardware
The Controller Processor can be a PLC Processor card
(1984-1494 -000x) or a MultiPurpose Controller card (10P57520007,
1984-2500 -000x or 1984-4068-0006).
Description: Changes to the list of data types are a result o f four new
items being added plus some additional changes to the descriptions of
other data types under this topic (page 9--1--4).
PLC Interface Software
D Signed integer, scaled (S INT Scale)
D Three digit binary coded decimal (BCD) value (BCD3)
D Three digit BCD value, scaled (BCD3 Scale)
D Unsigned integer, scaled ( U INT Scale)
D Four digit BCD value (BCD4)
D Four digit BCD value, scaled (BCD4 Scale)
IO-9: Section 2 (Communicating with the PLC)
Description: Add the following paragraph to the bottom of page 9-2-1.
Use Table 2.2.1 to identify the appropriate code for your type of PLC.
Take this code number to Table 2.2.2 to identify the PLC address to b e
entered in the PLC Word Address field. For example, if the function
code for a Square D device is 5, code 5 in Table 2.2.2 would tell you
that your entry in the PLC Word Address field would begin with a “ 0”
and is followed by the address of the register you want to access.
Description: Add the following information to the second paragraph
and change F igure 9.2.1 under this topic (page 9--2--4).
PLC Block Addressing
For an MPC5, the maximum number of blocks per controller is 512.