Toshiba RS-485, RS232C user manual CU111 Specifications, Overview

Models: RS232C RS-485

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CU111 Specifications

CU111 Specifications

1.Overview

Connecting the RS232C/RS485 multi-drop adapter (CU111) to the T1’s programmer port, you can use the RS485 computer link function.

By this function, long-distance and one -to- N communications become available.

2.Specifications

(1)Function specification

Item

 

 

Specification

Connection

 

RS232C

DIN - 8pin (T1 programmer port connector)

 

 

RS485

Removable terminal block 6pin

Length of T1 connection cable

30cm

 

Status LEDs

 

3 (Refer to the following table)

Isolation

 

Non isolation between RS232C and RS485

Power Supply

 

5Vdc from T1 main unit

Current consumption

75mA

 

Size

 

30mm(W) × 90mm(H) × 75mm(D) (except cable)

(2)Transmission specification

 

 

Item

 

 

Specification

Interface

 

Conforms to RS232C (T1 side)

 

 

 

Conforms to RS485 (Host side)

Transmission distance

30cm (between T1 and adapter)

 

 

 

Max. 1km (RS485 )

Transmission speed

9600 bps

 

Framing

 

Start bit

1bit (Fixed)

 

 

 

Dta bit

8bits (Fixed)

 

 

 

Parity

Odd parity/ Non (automatic detection)

 

 

 

Stop bit

1bit (Fixed)

Number of stations

 

Max. 32

 

(3)RS485 transmission cable

Shieled twisted cable which conforms to the RS485, should be used for communication cable. It’s recommended that 0.9mm diameter or more, 3 pairs or more cables are used.

(4)Operation Status LEDs

Name

Direction

 

LED Status

(color)

 

Lit

 

Not Lit

POWER

 

5V power is normal and

5V power is not normal.

(green)

 

connected to T1

 

 

RXD

Host T1

Data receiving

 

Data not receiving

(green)

 

(RXD = 0)

 

(RXD = 1)

TXD

T1 Host

Data transmitting

 

Data not transmitting

(green)

 

(TXD = 0)

 

(TXD = 1)

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Toshiba RS-485, RS232C user manual CU111 Specifications, Overview