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Notes For Selection Of Replacement Modules; Select Replacement Module For Dc Input Module - Mitsubishi Electric Artisan MELSEC-Q Series Manual

General-purpose programmable controllers, large/small.
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10.1 Select replacement module for DC input module

10.

Notes for selection of replacement modules

When selecting a module to be used in place of an existing module, it is necessary to check the
specifications. This section explains the notes for selection of replacement modules for major modules.
10.1 Select replacement module for DC input module
When selecting a module to be used in place of an existing DC input module, it is necessary to confirm
the working voltage and common terminal arrangement of the existing module.
(1) Rated input voltage
Most of the existing A (Large Type)/A (Small Type) modules have a rated input voltage of 5, 12 or
24 V DC.
The rated input voltage of replacement Q Series modules is 12 V DC (that of part of the modules is
5 or 12 V DC) or 24 V DC, and that of L Series modules is 24 V DC only. Therefore, the module to
be selected varies depending on the working condition of the existing module.
When selecting a replacement module, confirm the working condition of the existing module.
(*Excerpt from transition handbook L(NA)-08043ENG)
(2) Common terminal arrangement
DC input modules are available in two types: positive common and negative common. Some of the
existing A (Large Type) and A (Small Type) modules can be shared between these two types.
When selecting a replacement for such a shared type module, a positive common type or negative
common type must be selected because shared type modules are not available in Q Series.
When selecting a replacement, confirm the working condition of the existing module.
Refer to the following handbooks for detailed specifications for each module.
• Transition from MELSEC-AnS/QnAS (Large Type) Series to Q Series Handbook (Fundamentals) : L(NA)-08043ENG
• Transition from MELSEC-AnS/QnAS (Small Type) Series to Q Series Handbook (Fundamentals) : L(NA)-08219ENG
• Transition from MELSEC-AnS/QnAS (Small Type) Series to L Series Handbook (Fundamentals) : L(NA)-08258ENG
Also refer to the I/O Module User's Guide for the relevant module.
(*Excerpt from Building Type I/O Module User's Manual IB-66140 and Small Building
Type I/O Module User's Manual IB-66541)
External
Internal circuit
switch
1
Photocoupler
R
R
8
9
12/24 V DC
10
R
Photocoupler
R
17
18
12/24 V DC
(3) Using existing wiring
(1) Terminal block type module
When replacing a terminal block type module, the existing A (Large Type) or A (Small Type)
module's terminal block can be used in the wired state by using the conversion adapter. This
eliminates the need to change the wiring.
(2) Connector type module
If the connector type on a connector type module is the same as that on the replacement
module (e.g. 40-pin connector and 40-pin connector), the existing wiring can be used.
If the connector type differs (e.g. D-sub 37-pin connector and 40-pin connector), the wiring
must be changed.
When the module is replaced with L Series, it is unnecessary to change the wiring if the D-sub
37-pin connector -> 40-pin connector conversion adapter is used.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
External
Internal circuit
switch
1
Photocoupler
R
LED
R
Internal
circuit
8
9
12/24 V DC
10
17
18
12/24 V DC
LED
TB1
Internal
circuit
TB17
TB9. 18
12/24 V DC
180
LED
Internal
circuit
LED

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