Precautions For System Configuration - Mitsubishi MELESEC-ST User Manual

3 SYSTEM CONFIGURATION

3.4 Precautions for System Configuration

System configuration
example
Online module N/A
change
Available
3 - 7
The system configuration changes depending on the following conditions: whether
intelligent function modules (shown in section 3.3) are used or not, whether online
module change will be executed or not, whether contact output modules are used or
not.
Be sure to configure the system referring to the figures (configuration examples) and
conditions given in the following table.
For the conditions in (1) to (6) common to all system configurations, confirm whether
they are satisfied in advance.
1) Whether intelligent function modules are used or not
Not used
Not used Used
---
---
---
Refer to Fig. 3.1
Refer to Fig. 3.4
Condition: (7)
*1: DC power supply (60VDC or less) is used as an external power supply connected
to the contacts of the contact output modules.
*2: AC power supply is used as an external power supply connected to the contacts of
the contact output modules.
2) Whether contact output modules are used or not
Not used
---
3) Whether I/O modules are used or not
Not used
MELSEC-ST
Used
Used
DC power supply *1 AC power supply *2
Used
Refer to Fig. 3.2
Condition: (8)(a)(b) Condition: (8)(a)(b)(c)
Refer to Fig. 3.5
Condition: (7) Condition: (7), (8)(c)
Refer to Fig. 3.3
Refer to Fig. 3.6
3 - 7