Unit Numbers Of Special Function Units/Blocks; Rules Of Unit Number Assignment; Example Of Assigning - Mitsubishi FX3UC SERIES User Manual

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
1.16

Unit Numbers of Special Function Units/Blocks

When the power is turned on, the main unit (CPU) automatically assigns the numbers 0 to 7 to special
function units/blocks starting from the one closest to the main unit. (Unit Nos. 1, 2
the main unit is the FX
Unit numbers are not given to input/output powered extension units/blocks.

1.16.1 Rules of unit number assignment

Unit numbers are automatically assigned to special function units/blocks as follows when the power is turned
ON.
1. FX -32MT-LT built-in CC-Link/LT master
3UC
When the main unit is the FX
2. Special function units/blocks connected to the right side of the main unit
Unit Nos. 0, 1
the one nearest the main unit. (Unit Nos. 1, 2
3. FX -1RM(-E)-SET
2N
Up to three FX
All of these connected units have the same module number as the unit number of the first unit (FX
E)-SET).
4. Products to which unit numbers are not assigned
• Input/output extension blocks:
• Extension power supply unit:
• Special function block:
• Connector conversion adapter:
• Expansion boards:
• Special adapters:

1.16.2 Example of assigning

1. In the case of the FX
Unit numbers are assigned to the special function units/blocks in the following configuration.
Special adapter
FX -232ADP
3U
(-MB)
Unit numbers are assigned to the special function units/blocks in the above configuration as shown below.
Special adapter
FX -232ADP
3U
(-MB)
76
-32MT-LT.)
3UC
-32MT-LT, the unit No. 0 is assigned to the CC-Link LT built-in master.
3UC
7 are assigned to special function units/blocks (except input/output extension blocks) from
• • •
-1RM(-E)-SET can be sequentially connected to the end of one system.
2N
→ For FX
-64MT/D
3UC
→ For assignment of input/output numbers, refer to Section 1.15.
Input/output
extension
FX -64MT/D
3UC
FX
2NC
X000 to X037 X040 to X057
Input/output
extension
FX -64MT/D
3UC
FX
2NC
Y000 to Y037
1.16 Unit Numbers of Special Function Units/Blocks
7 are assigned when the main unit is the FX
• • •
-1RM-E-SET, refer to FX
2N
FX -16EX, FX -16EYR, etc.
2NC 2NC
FX -1PS-5V
3UC
FX -16LNK-M
2N
FX -CNV-IF, FX -CNV-BC
2NC 2N
FX -232-BD, etc.
3U
FX -232ADP(-MB), etc.
3U
Special
function
block block
-16EX FX -4AD FX
3UC
Unit No. Unit No.
No.0 No.1
Special
function
block block
-16EX FX -4AD FX
3UC
7 are assigned when
• • •
-1RM-E-SET USER'S MANUAL.
2N
Special
function
FX -CNV-IF
2NC
block
-4DA
2NC
Unit No.
Special
function
FX -CNV-IF
2NC
block
-4DA
2NC
1 Outline
-32MT-LT.)
3UC
-1RM(-
2N
Special
function
block
FX -10PG
2N
No.2
Special
function
block
FX -10PG
2N