Toshiba RS-485, RS232C User Manual

PROGRAMMABLE CONTROLLER

PROSEC T1

RS232C/RS485

MULTI-DROP ADAPTER

CU111

n

USER’S MANUAL

T1 connection cable

T1 side connector

Type identification

Status LEDs

RS485 Terminal block

1

Precaution and Checks

Thank you for purchasing a TOSHIBA product.
Please confirm the product has arrived in good condition and use it according to this guide.
This guide has been prepared for users who have general knowledge of the programmable
controllers and control systems. If any parts of this guide are not clear to you,contact
TOSHIBA agent.

CAUTION

1. Use the multi-drop adapter in the environment specified in the T1 user's
manual. Using the multi-drop adapter in the illegal environment may lead to
electric shock,fire,failure,or malfunction.

2. Neither disassemble nor modify the multi-drop adapter. Otherwise, it may get
fired,failed,or malfunctioned.

3. The multi-drop adapter CU111 is designed for the T1. Do not use it for other
purposes.

4. Turn off the power of the T1 main unit before connecting the cable.

5. Do not pull the T1 connection cable without grasping the connector. It can
cause cable disconnection.

6. Do not extend the T1 connection cable.

n Unpacking confirmation

Check the product matches the type notation on the packing case.
Also, check the followings are in the packing case.

Multi-drop adapter (CU111) 1
Metal fitting for screw 1
Terminal block (attached) 1
Guide (this document) 1

n Product identification

Product type : CU111
Part number : TCU111**S

n Handling precautions

The multi-drop adapter specification confirm to the T1 main unit.
Please read the following documents.

T1 USER’S GUIDE (UG-TS07***-E007)
T1 USER’S MANUAL - Basic Hardware and Function - (UM-TS01***-E001)
T1 USER’S MANUAL - Option Cards and I/O Modules - (UM-TS01***-E002)

T1 USER’S MANUAL - Computer Link Function - (UM-TS01***-E003)
Also, keep this guide and related manuals so that you can read them anytime while the T1
is in operation.

2

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

(2)Transmission specification

Item Specification

Interface Conforms to RS232C (T1 side)

Transmission distance 30cm (between T1 and adapter)

Transmission speed 9600 bps
Framing Start bit 1bit (Fixed)

Number of stations Max. 32

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

Conforms to RS485 (Host side)

Max. 1km (RS485 )

Dta bit 8bits (Fixed)
Parity Odd parity/ Non (automatic detection)
Stop bit 1bit (Fixed)

(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
(green)
RXD
(green)
TXD
(green)

Host → T1
T1 → Host

5V power is normal and
connected to T1
Data receiving
(RXD = 0)
Data transmitting
(TXD = 0)

3

5V power is not normal.
Data not receiving

(RXD = 1)
Data not transmitting
(TXD = 1)