Mitsubishi Electric MELSEC-A/QnA Series - CHAPTER 2 ANALOG INPUT MODULE REPLACEMENT; 2.1 List of Analog Input Module Alternative Models for Replacement

2 ANALOG INPUT MODULE REPLACEMENT
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2
2 ANALOG INPUT MODULE
REPLACEMENT
2.1 List of Analog Input Module Alternative Models for Replacement
Production discontinuation Transition to Q series
Product Model Model Remarks (Restrictions)
Analog input module
A616AD
Q68ADV
Q68ADI
1) External wiring : Cable size is changed.
2) Number of slots : Changed (2 modules are required.)
3) Program : Occupied I/O points, I/O signals and buffer memory address
are changed.
4) Performance specifications change:
8CH/module, input signals (Either V or I input)
5) Function specifications: Not changed
A68AD
Q68ADV
Q68ADI
1) External wiring : Cable size is changed.
2) Number of slots : Not changed
3) Program : Occupied I/O points, I/O signals and buffer memory address
are changed.
4) Performance specifications change:
Input signals (Either V or I input) and I/O characteristics
5) Function specifications: Not changed
Q68AD-G
*1
1) External wiring : Cable size is changed. (Terminal block wiring  connector
wiring)
2) Number of slots : Not changed
3) Program : Occupied I/O points, I/O signals and buffer memory address
are changed.
4) Performance specifications change:
Conversion speed ((the maximum of 2.5ms/channel) 
sampling cycle (10ms/channel) + response speed (20ms))
and I/O characteristics
5) Function specifications: Changed (Non-insulation  insulation between
channels)
A68AD-S2
Q68ADV
Q68ADI
1) External wiring : Cable size is changed.
2) Number of slots : Not changed
3) Program : Occupied I/O points, I/O signals and buffer memory address
are changed.
4) Performance specifications change:
Input signals (Either V or I input) and I/O characteristics
5) Function specifications: Not changed
Q68AD-G
*1
1) External wiring : Cable size is changed. (Terminal block wiring  connector
wiring)
2) Number of slots : Not changed
3) Program : Occupied I/O points, I/O signals and buffer memory address
are changed.
4) Performance specifications change:
Conversion speed ((the maximum of 2.5ms/channel) 
sampling cycle (10ms/channel) + response speed (20ms))
and I/O characteristics
5) Function specifications: Changed (Non-insulation  insulation between
channels)