FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
138
7 Assignment of Input/Output Numbers (X/Y) and Unit Numbers
7.2 Unit Numbers of Special Function Units/Blocks
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
2N
-1RM(-E)-SET
Up to three FX
2N
-1RM(-E)-SET can be sequentially connected to the end of one system.
All these connected units have the same number as the unit number of the first unit (FX
2N
-1RM(-E)-SET).
→
For FX
2N
-1RM-E-SET, refer to FX
2N
-1RM-E-SET USER’S MANUAL.
3. Products to which unit numbers are not assigned
• Input/output powered extension units: FX
2N
-32ER-ES/UL, FX
2N
-48ET-ESS/UL, etc.
• Input/output extension blocks:
FX
2N
-16EX-ES/UL, FX
2N
-16EYR-ES/UL, etc.
• Special function block:
FX
2N
-16LNK-M
• Connector conversion adapter:
FX
2N
-CNV-BC
• Expansion boards:
FX
3U
-232-BD, etc.
• Special adapters:
FX
3U
-232ADP, etc.
• Extension power supply unit:
FX
3U
-1PSU-5V
Содержание FX2-16E series
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