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MCV0101E080212

Safety information

Name and Function

Function Setting (Dip S/W)

External Dimension

HEAD OFFICE 

1381-3, Juan-Dong, Nam-Gu Incheon, Korea

TEL: (82-32)876-4697  FAX : (82-32)876-4696

MAIN PRODUCTS
- DIGITAL : Temperature Controller, Counter, Timer,Speedmeter, 

Tachometer, Panel Meter, Recorder

- SENSOR : Proximity Sensor/Photo Electric Sensor, 

Rotary Encoder, Optical Fiber Sensor,   
Pressure Sensor

- ANALOG : Timer, Temperature Controller

Communication Converter

CV300

Thank you for purchasing HANYOUNG product.

Please check whether the product is the exactly same as    
you ordered. Before using the product, please read this      
instruction manual carefully.

INSTRUCTION MANUAL

WARNING

CAUTION

Before you use, read safety precautions carefully, and use this product
properly.
1. The contents of this manual may be changed without prior  

notification.

2. Turn the power OFF all equipments when wiring.
3. Unless it is included company’s conditions for warrantee, we are not 

responsible for any warranties or guarantees.

4. If the customer or any 3

rd

party is harmed during the use of the 

communication converter, or if the customer or any 3

rd

party is 

harmed by any product faults that are unpredictable either directly or 
indirectly, this company does not carry any responsibilities.  

5. The warranty period for this product including parts is one year if this 

product is properly used.

6. To prevent defection or malfunction of this product, apply a proper 

power voltage in accordance with the rating.

7. To prevent electric shock or malfunction of product, do not supply  

the power until the wiring is completed.

8. Reassemble this product while the power is OFF. Otherwise, it may 

be a cause of malfunction or defect.

1. Before using the product, make sure that it is exactly what you 

ordered.

2. Make sure that there is no damage or abnormality of the product 

during delivery.

3. Do not use this product at any place with direct vibration or impact.
4. To avoid an effect of inductive noise to communication cable, use 

the product after separating the communication cable from power, 
output and load cables.

5. After checking the polarity of terminal, connect wires at the correct  

position.

Convert RS232 signal into RS422/485 signal
RS422/485 Line Drive auto control
Electrical insulation (2.5 KV) between RS232 side and RS422/485,     

and Built in protection element

Various function mode are available by setting switch

(Two-wire / Four-wire system, Full duplex / Half duplex, Active / Non-  
active for terminating resistance, etc.)

Max. 1.5 Km, 256 node could be connected.
LED for display the status of Power and Data Communication

9 V, 300 mA d.c Adapter (1.3

d.c Jack)

2400 ~ 115200 bps

Maximum 1.5 Km, 256 nodes could be connected.

1

st

& 2

nd

circuit insulation, Built-in surge protection,  15 KV ESD Protection

Automatically generated signal of Line drive

Two-wire / Four-wire system

Use of Not use built-in termination resistance device

Full Duplex / Half Duplex

RS232  

DB-9 Female (It could be connected to serial port of PC)

RS422/485  

Insert communication cable into 4 pin terminal

6 pin piano type Dip-switch

Plastic

Converter : 60 g, Adaptor : 300 g

52 X 90 X 20 mm

Power

Communication Speed

Communication Distance

Safety

Function Setting

Connection Method

Setting Switch

Case materials

Weight

Size

Product’s Features

Rating & Function

S/W 1. ON

Internal connection between T+ & R+(on Two-wire system)

S/W 2. ON

Internal connection between T- & R- (on Two-wire system)

S/W 3. ON

built-in termination resistance enable

S/W 4. No use only for 1

st

& 2

nd

circuit insulation

S/W 5. ON

Half Duplex communication  

OFF

Full Duplex communication

S/W 6. Delay time selection for Automatically generated signal of Line drive

(The method of driving the communication line for a set period of time    

based on the start bit during data transmission. During 2-wire     
transmission, in order to prevent the data collision, the device at the     
opposite end must set the response delay setting.
ON

High speed communication (19200~115200 bps),Communication   

line start time 0.6 msec/Byte

OFF

Low speed communication (2400~9600 bps), Communication       

line start time 5 msec/Byte

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