Unit Numbers Of Special Function Units/Blocks; Concept Of Assigning - Mitsubishi FX3U-?*MR/ES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardware Edition
7.2

Unit Numbers of Special Function Units/Blocks

7.2.1

Concept of assigning

When 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 numbers are not given to input/output powered extension units/blocks.
1. Special function units/blocks connected to main unit
The numbers 0 to 7 are assigned to the special function units/blocks starting from the one closest to the main
unit.
2. FX -1RM(-E)-SET
2N
Up to three FX
All these connected units have the same number as the unit number of the first unit (FX
3. Products to which unit numbers are not assigned
• Input/output powered extension units: FX
• Input/output extension blocks:
• Special function block:
• Connector conversion adapter:
• Expansion boards:
• Special adapters:
• Extension power supply unit:
138
-1RM(-E)-SET can be sequentially connected to the end of one system.
2N
→ For FX
7 Assignment of Input/Output Numbers (X/Y) and Unit Numbers
7.2 Unit Numbers of Special Function Units/Blocks
-1RM-E-SET, refer to FX
2N
-32ER-ES/UL, FX
2N 2N
FX -16EX-ES/UL, FX
2N 2N
FX -16LNK-M
2N
FX -CNV-BC
2N
FX -232-BD, etc.
3U
FX -232ADP, etc.
3U
FX -1PSU-5V
3U
-1RM(-E)-SET).
2N
-1RM-E-SET USER'S MANUAL.
2N
-48ET-ESS/UL, etc.
-16EYR-ES/UL, etc.