Programmable Controllers MELSEC-A Series Renewal
Upgrading to the L Series while keeping the existing wiring unchanged
AnS/L Upgrade Tool Products
Supported series: 
Benefits of replacing the AnS/QnAS Series with the L Series
- Increases the production capacity and shortens the operating cycle.
The L Series programmable controllers speed up the operation and processing speed (as fast as about 5 times the processing performance of the AnS Series) and the bus communication speed.
Upgrading the AnS/QnAS Series to the L Series significantly improves the production capacity. - Enables a flexible configuration without a base
The L Series does not need a base unit. Its installation footprint is minimum, which otherwise restricted by the size of the base unit. When adding modules, the number of slots on a base unit does not have to considered. The base-less architecture often eliminates the need of additional extension base units, saving the system cost. - Reduces the system cost by using built-in CPU functions
The LCPU module is equipped with a number of built-in functions such as the general input, interrupt input, pulse catch, general output, high speed counter, positioning, Ethernet and CC-Link communication functions.
Combining the built-in functions eliminates the needs of modules dedicated to each function, and such combined functions realize a variety of control functions while reducing the system cost.
L Series replacement example with the AnS/L upgrade tool products (conversion adapter, base adapter) and L Series space modules
- (1)Remove the existing AnS/QnAS Series programmable controllers together with the base unit. Install the AnS/L base adapter.
(The existing installation holes can be used as they are. No additional holes need to be created.) - (2)Install a space module on the left side of the L Series module to which an AnS/L conversion adapter (terminal block type) will be attached.
- (3)Attach the AnS/L conversion adapters to the L Series modules.
- (4)Remove the wiring terminal block from the existing AnS/QnAS Series module and connect that wiring terminal block to the conversion adapter.
- Note 1: Use of the L Series space module may restrict the system configuration. Please refer to "MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)" (SH-080890ENG) for the detailed specifications, cautionary notes and restrictions.
- Note 2: Upgrading to the L Series module could result in a wider system width than the system width using the AnS/QnAS (small type). Please refer to "Transition from MELSEC-AnS/QnAS (Small Type) Series to L Series Handbook (Fundamentals)"(L(NA)08258ENG) for more details.
AnS/L upgrade tool products
The AnS/L upgrade tool products consists of two items-"conversion adapter" and "base adapter". The conversion adapter supports the conversion of the AnS/QnAS Series I/O and analog modules wiring to the corresponding L Series modules wiring. The base adapter is used to utilize the existing installation holes of the AnS/QnAS Series base units for the L Series programmable controller installation.
List of conversion adapters
For input/output modules <Single module type>
| Input/output | MELSEC AnS/QnAS Series module model |
MELSEC L Series module model |
Conversion adapter model | Space module (LG69) |
|---|---|---|---|---|
| Input | A1SX10, A1SX10EU | LX10 | ERNT-ASLTXY10 | Can be used |
| A1SX40, A1SX40-S1, A1SX40-S2 | LX40C6 | ERNT-ASLTX40 | Can be used | |
| A1SX41, A1SX41-S1, A1SX41-S2 | LX41C4 | Unnecessary. The connector shape is the same. |
Unnecessary | |
| A1SX42, A1SX42-S1, A1SX42-S2 | LX42C4 | Unnecessary. The connector shape is the same. | Unnecessary | |
| A1SX71 | LX41C4 | Unnecessary. The connector shape is the same. | Unnecessary | |
| A1SX80, A1SX80-S1, A1SX80-S2 | LX40C6 | ERNT-ASLTX80 | Can be used | |
| A1SX81, A1SX81-S2 | LX41C4 | ERNT-ASLCXY81 | Unnecessary | |
| A1SX82-S1 | LX42C4 | Unnecessary. The connector shape is the same. | Unnecessary | |
| Output | A1SY10, A1SY10EU | LY10R2 | ERNT-ASLTXY10 | Can be used |
| A1SY22 | LY20S6 | ERNT-ASLTY22 | Can be used | |
| A1SY40, A1SY40P | LY40NT5P | ERNT-ASLTY40 | Can be used | |
| A1SY41, A1SY41P | LY41NT1P | Unnecessary. The connector shape is the same. | Unnecessary | |
| A1SY42, A1SY42P | LY42NT1P | Unnecessary. The connector shape is the same. | Unnecessary | |
| A1SY50 | LY40NT5P | ERNT-ASLTY50 | Can be used | |
| A1SY80 | LY40PT5P | ERNT-ASLTY80 | Can be used | |
| A1SY81, A1SY81EP | LY41PT1P | ERNT-ASLCXY81 | Unnecessary | |
| A1SY82 | LY42PT1P | Unnecessary. The connector shape is the same. | Unnecessary | |
| Input and output |
A1SH42, A1SH42P | LH42C4NT1P | Unnecessary. The connector shape is the same. | Unnecessary |
| A1SH42-S1, A1SH42P-S1 | LH42C4NT1P | Unnecessary. The connector shape is the same. | Unnecessary |
For analog modules <Single module type>
| Input/output | MELSEC AnS/QnAS Series module model |
MELSEC L Series module model |
Conversion adapter model | Space module (LG69) |
|---|---|---|---|---|
| Input | A1S64AD | L60AD4 | ERNT-ASLT64AD | Can be used |
| Output | A1S62DA | L60DA4 | ERNT-ASLT62DA | Can be used |
For high-speed counter modules <Single module type>
| MELSEC AnS/QnAS Series module model |
MELSEC L Series module model |
Conversion adapter model | Space module (LG69) |
|---|---|---|---|
| A1SD61 | LD62 | ERNT-ASLTD61 | Can be used |
| A1SD62 | ERNT-ASLTD62 | Can be used |
List of base adapters
| Module type | MELSEC AnS/QnAS Series module model |
Base adapter model |
|---|---|---|
| Main base unit | A1S32B | ERNT-ASLB32 |
| A1S33B | ERNT-ASLB33 | |
| A1S35B | ERNT-ASLB35 | |
| A1S38B, A1S38HB | ERNT-ASLB38 | |
| Type requiring power supply module | A1S65B | ERNT-ASLB65 |
| A1S68B | ERNT-ASLB68 |
| Module type | MELSEC AnS/QnAS Series module model |
Base adapter model |
|---|---|---|
| Type not requiring power supply module | A1S52B | ERNT-ASLB52 |
| A1S55B | ERNT-ASLB55 | |
| A1S58B | ERNT-ASLB58 | |
| Type unifying CPU, power supply and base unit |
A1SJCPU | ERNT-ASLBJ |
| A1SJCPU-S3 | ||
| A1SJHCPU |
Installing the conversion and base adapters
The wiring of the AnS/QnAS Series modules can be used as it is for the L Series modules.
Upgrade tool products contents
①Conversion adapter
②Base adapter*
For utilizing the installation holes of the AnS/QnAS Series modules for the L Series installation.
Upgrading to the L Series module could result in a wider system width than the system width using the AnS/QnAS. If the width after upgrading is impractical, consider use of a DIN rail for installation.
Please refer to "Transition from MELSEC-AnS/QnAS (Small Type) Series to L Series Handbook (Fundamentals)" (L(NA)08258ENG) for more details.
- Note 1:Use of the L Series space module may restrict the system configuration. Please refer to "MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)" (SH-080890ENG) for the detailed specifications, precautions and restrictions.