diff --git a/_includes/en/dxl/control_table_buswatchdog.md b/_includes/en/dxl/control_table_buswatchdog.md
index a7f721fed..e4b26d1fc 100644
--- a/_includes/en/dxl/control_table_buswatchdog.md
+++ b/_includes/en/dxl/control_table_buswatchdog.md
@@ -1,5 +1,5 @@
{% if page.ref=='xd430-t210' or page.ref=='xd430-t350' or page.ref=='xd540-t150' or page.ref=='xd540-t270' or page.ref=='xd430-t200' or page.ref=='xw430-t333' or page.ref=='xw540-t140' or page.ref=='xw540-t260' %}
-{% assign communication= "(RS486)" %}
+{% assign communication= "(RS485)" %}
{% else %}
{% assign communication= "(RS485, TTL)" %}
{% endif %}
diff --git a/_includes/kr/dxl/control_table_buswatchdog.md b/_includes/kr/dxl/control_table_buswatchdog.md
index fbdf04d81..f319906fb 100644
--- a/_includes/kr/dxl/control_table_buswatchdog.md
+++ b/_includes/kr/dxl/control_table_buswatchdog.md
@@ -1,5 +1,5 @@
{% if page.ref=='xd430-t210' or page.ref=='xd430-t350' or page.ref=='xd540-t150' or page.ref=='xd540-t270' or page.ref=='xd430-t200' or page.ref=='xw430-t333' or page.ref=='xw540-t140' or page.ref=='xw540-t260' %}
-{% assign communication= "(RS486)" %}
+{% assign communication= "(RS485)" %}
{% else %}
{% assign communication= "(RS485, TTL)" %}
{% endif %}
diff --git a/assets/images/dxl/y/model_numbering_en.png b/assets/images/dxl/y/model_numbering_en.png
index fb6d12755..6cefd4365 100644
Binary files a/assets/images/dxl/y/model_numbering_en.png and b/assets/images/dxl/y/model_numbering_en.png differ
diff --git a/assets/images/dxl/y/model_numbering_kr.png b/assets/images/dxl/y/model_numbering_kr.png
index 6e765cbbc..4f6f92bd3 100644
Binary files a/assets/images/dxl/y/model_numbering_kr.png and b/assets/images/dxl/y/model_numbering_kr.png differ
diff --git a/docs/en/dxl/y/ym080-230-a051-rh.md b/docs/en/dxl/y/ym080-230-a051-rh.md
index bc702b257..005d22bc1 100644
--- a/docs/en/dxl/y/ym080-230-a051-rh.md
+++ b/docs/en/dxl/y/ym080-230-a051-rh.md
@@ -63,8 +63,8 @@ product_group: dxl_y_a
| 62 | 2 | 40032 | EEPROM | [Min Voltage Limit](#min-voltage-limit) | RW | 160 | 160 ~ 400 | 0.1 [V] |
| 64 | 2 | 40033 | EEPROM | [PWM Limit](#pwm-limit) | RW | 1,000 | 0 ~ 1,000 | 0.1 [%] |
| 66 | 2 | 40034 | EEPROM | [Current Limit](#current-limit) | RW | 2,240 | 0 ~ 2,240 | 0.01 [A] |
-| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 21,336,000 | 10 [rev/min²] |
-| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 355,600 | 0.01 [rev/min] |
+| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 418,352 | 10 [rev/min²] |
+| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 6,972 | 0.01 [rev/min] |
| 76 | 4 | 40039 | EEPROM | [Max Position Limit](#max-position-limit) | RW | 262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 84 | 4 | 40043 | EEPROM | [Min Position Limit](#min-position-limit) | RW | -262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 96 | 4 | 40049 | EEPROM | [Electronic GearRatio Numerator](#electronic-gearratio-numerator) | RW | 51 | 1 ~ 1,045,576 | 1/R |
diff --git a/docs/en/dxl/y/ym080-230-a099-rh.md b/docs/en/dxl/y/ym080-230-a099-rh.md
index 1488f803a..e59d7deff 100644
--- a/docs/en/dxl/y/ym080-230-a099-rh.md
+++ b/docs/en/dxl/y/ym080-230-a099-rh.md
@@ -236,7 +236,7 @@ product_group: dxl_y_a
| Unit | Range |
| :-----------: | :---------: |
-| 10 [rev/min²] | 0 ~ 418,352 |
+| 10 [rev/min²] | 0 ~ 215,515 |
### **[Velocity Limit(72)](#velocity-limit72)**
@@ -244,7 +244,7 @@ product_group: dxl_y_a
| Unit | Range | Description |
| :-------: | :-------: | :---------------------------------------------------------------------------------------: |
-| 0.01[RPM] | 0 ~ 6,972 | 1,000 = Maximum speed limited to 10[RPM]
6,972 = Maximum speed limited to 69.72[RPM] |
+| 0.01[RPM] | 0 ~ 3,591 | 1,000 = Maximum speed limited to 10[RPM]
3,591 = Maximum speed limited to 35.91[RPM] |
### **[Max/Min Position Limit(76, 84)](#maxmin-position-limit76-84)**
diff --git a/docs/en/dxl/y/ym080-230-r051-rh.md b/docs/en/dxl/y/ym080-230-r051-rh.md
index f482617b2..99b032668 100644
--- a/docs/en/dxl/y/ym080-230-r051-rh.md
+++ b/docs/en/dxl/y/ym080-230-r051-rh.md
@@ -63,8 +63,8 @@ product_group: dxl_y_r
| 62 | 2 | 40032 | EEPROM | [Min Voltage Limit](#min-voltage-limit) | RW | 160 | 160 ~ 400 | 0.1 [V] |
| 64 | 2 | 40033 | EEPROM | [PWM Limit](#pwm-limit) | RW | 1,000 | 0 ~ 1,000 | 0.1 [%] |
| 66 | 2 | 40034 | EEPROM | [Current Limit](#current-limit) | RW | 2,240 | 0 ~ 2,240 | 0.01 [A] |
-| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 21,336,000 | 10 [rev/min²] |
-| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 355,600 | 0.01 [rev/min] |
+| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 418,352 | 10 [rev/min²] |
+| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 6,972 | 0.01 [rev/min] |
| 76 | 4 | 40039 | EEPROM | [Max Position Limit](#max-position-limit) | RW | 262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 84 | 4 | 40043 | EEPROM | [Min Position Limit](#min-position-limit) | RW | -262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 96 | 4 | 40049 | EEPROM | [Electronic GearRatio Numerator](#electronic-gearratio-numerator) | RW | 51 | 1 ~ 1,045,576 | 1/R |
diff --git a/docs/en/dxl/y/ym080-230-r099-rh.md b/docs/en/dxl/y/ym080-230-r099-rh.md
index d257b9e9d..e3a6785b0 100644
--- a/docs/en/dxl/y/ym080-230-r099-rh.md
+++ b/docs/en/dxl/y/ym080-230-r099-rh.md
@@ -236,7 +236,7 @@ product_group: dxl_y_r
| Unit | Range |
| :-----------: | :---------: |
-| 10 [rev/min²] | 0 ~ 418,352 |
+| 10 [rev/min²] | 0 ~ 215,515 |
### **[Velocity Limit(72)](#velocity-limit72)**
@@ -244,7 +244,7 @@ product_group: dxl_y_r
| Unit | Range | Description |
| :-------: | :-------: | :---------------------------------------------------------------------------------------: |
-| 0.01[RPM] | 0 ~ 6,972 | 1,000 = Maximum speed limited to 10[RPM]
6,972 = Maximum speed limited to 69.72[RPM] |
+| 0.01[RPM] | 0 ~ 3,591 | 1,000 = Maximum speed limited to 10[RPM]
3,591 = Maximum speed limited to 35.91[RPM] |
### **[Max/Min Position Limit(76, 84)](#maxmin-position-limit76-84)**
diff --git a/docs/kr/dxl/y/ym080-230-a051-rh.md b/docs/kr/dxl/y/ym080-230-a051-rh.md
index e990e5462..c17e36c97 100644
--- a/docs/kr/dxl/y/ym080-230-a051-rh.md
+++ b/docs/kr/dxl/y/ym080-230-a051-rh.md
@@ -63,8 +63,8 @@ product_group: dxl_y_a
| 62 | 2 | 40032 | EEPROM | [Min Voltage Limit](#min-voltage-limit) | RW | 160 | 160 ~ 400 | 0.1 [V] |
| 64 | 2 | 40033 | EEPROM | [PWM Limit](#pwm-limit) | RW | 1,000 | 0 ~ 1,000 | 0.1 [%] |
| 66 | 2 | 40034 | EEPROM | [Current Limit](#current-limit) | RW | 2,240 | 0 ~ 2,240 | 0.01 [A] |
-| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 21,336,000 | 10 [rev/min²] |
-| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 355,600 | 0.01 [rev/min] |
+| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 418,352 | 10 [rev/min²] |
+| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 6,972 | 0.01 [rev/min] |
| 76 | 4 | 40039 | EEPROM | [Max Position Limit](#max-position-limit) | RW | 262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 84 | 4 | 40043 | EEPROM | [Min Position Limit](#min-position-limit) | RW | -262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 96 | 4 | 40049 | EEPROM | [Electronic GearRatio Numerator](#electronic-gearratio-numerator) | RW | 51 | 1 ~ 1,045,576 | 1/R |
diff --git a/docs/kr/dxl/y/ym080-230-a099-rh.md b/docs/kr/dxl/y/ym080-230-a099-rh.md
index 8989842e8..6fd9b4d33 100644
--- a/docs/kr/dxl/y/ym080-230-a099-rh.md
+++ b/docs/kr/dxl/y/ym080-230-a099-rh.md
@@ -236,7 +236,7 @@ product_group: dxl_y_a
| 단위 | 범위 |
|:-------------:|:----------------:|
-| 10 [rev/min²] | 0 ~ 418,352 |
+| 10 [rev/min²] | 0 ~ 215,515 |
### **[Velocity Limit(72)](#velocity-limit72)**
@@ -244,7 +244,7 @@ product_group: dxl_y_a
| 단위 | 범위 | 설명 |
|:-------------:|:---------------------:|:-------------------------------------------------------------------------------:|
-| 0.01[RPM] | 0 ~ 6,972 | 1,000 = 10[RPM]을 최고속도로 제한
6,972 = 69.72[RPM]을 최고속도로 제한 |
+| 0.01[RPM] | 0 ~ 3,591 | 1,000 = 10[RPM]을 최고속도로 제한
3,591 = 35.91[RPM]을 최고속도로 제한 |
### **[Max/Min Position Limit(76, 84)](#maxmin-position-limit76-84)**
diff --git a/docs/kr/dxl/y/ym080-230-r051-rh.md b/docs/kr/dxl/y/ym080-230-r051-rh.md
index 565ab693c..d638bb985 100644
--- a/docs/kr/dxl/y/ym080-230-r051-rh.md
+++ b/docs/kr/dxl/y/ym080-230-r051-rh.md
@@ -63,8 +63,8 @@ product_group: dxl_y_r
| 62 | 2 | 40032 | EEPROM | [Min Voltage Limit](#min-voltage-limit) | RW | 160 | 160 ~ 400 | 0.1 [V] |
| 64 | 2 | 40033 | EEPROM | [PWM Limit](#pwm-limit) | RW | 1,000 | 0 ~ 1,000 | 0.1 [%] |
| 66 | 2 | 40034 | EEPROM | [Current Limit](#current-limit) | RW | 2,240 | 0 ~ 2,240 | 0.01 [A] |
-| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 21,336,000 | 10 [rev/min²] |
-| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 355,600 | 0.01 [rev/min] |
+| 68 | 4 | 40035 | EEPROM | [Acceleration Limit](#acceleration-limit) | RW | 313 | 0 ~ 418,352 | 10 [rev/min²] |
+| 72 | 4 | 40037 | EEPROM | [Velocity Limit](#velocity-limit) | RW | 3,921 | 0 ~ 6,972 | 0.01 [rev/min] |
| 76 | 4 | 40039 | EEPROM | [Max Position Limit](#max-position-limit) | RW | 262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 84 | 4 | 40043 | EEPROM | [Min Position Limit](#min-position-limit) | RW | -262,144 | -2,147,483,648 ~ 2,147,483,647 | 1 [pulse] |
| 96 | 4 | 40049 | EEPROM | [Electronic GearRatio Numerator](#electronic-gearratio-numerator) | RW | 51 | 1 ~ 1,045,576 | 1/R |
diff --git a/docs/kr/dxl/y/ym080-230-r099-rh.md b/docs/kr/dxl/y/ym080-230-r099-rh.md
index 64866106b..1697f2b6f 100644
--- a/docs/kr/dxl/y/ym080-230-r099-rh.md
+++ b/docs/kr/dxl/y/ym080-230-r099-rh.md
@@ -236,7 +236,7 @@ product_group: dxl_y_r
| 단위 | 범위 |
|:-------------:|:----------------:|
-| 10 [rev/min²] | 0 ~ 418,352 |
+| 10 [rev/min²] | 0 ~ 215,515 |
### **[Velocity Limit(72)](#velocity-limit72)**
@@ -244,7 +244,7 @@ product_group: dxl_y_r
| 단위 | 범위 | 설명 |
|:-------------:|:---------------------:|:-------------------------------------------------------------------------------:|
-| 0.01[RPM] | 0 ~ 6,972 | 1,000 = 10[RPM]을 최고속도로 제한
6,972 = 69.72[RPM]을 최고속도로 제한 |
+| 0.01[RPM] | 0 ~ 3,591 | 1,000 = 10[RPM]을 최고속도로 제한
3,591 = 35.91[RPM]을 최고속도로 제한 |
### **[Max/Min Position Limit(76, 84)](#maxmin-position-limit76-84)**