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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
Connection
Length of T1 connection cable
Status LEDs
Isolation
Power Supply
Current consumption
Size
(2)Transmission specification
Item
Interface
Transmission distance
Transmission speed
Framing
Number of stations
(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
(color)
POWER
(green)
RXD
(green)
TXD
(green)
RS232C
DIN - 8pin (T1 programmer port connector)
RS485
Removable terminal block 6pin
30cm
3 (Refer to the following table)
Non isolation between RS232C and RS485
5Vdc from T1 main unit
75mA
30mm(W)
Conforms to RS232C (T1 side)
Conforms to RS485 (Host side)
30cm (between T1 and adapter)
Max. 1km (RS485 )
9600 bps
Start bit
Dta bit
Parity
Stop bit
Max. 32
Direction
5V power is normal and
connected to T1
Data receiving
Host
T1
(RXD = 0)
Data transmitting
T1
Host
(TXD = 0)
Specification
90mm(H)
75mm(D) (except cable)
Specification
1bit (Fixed)
8bits (Fixed)
Odd parity/ Non (automatic detection)
1bit (Fixed)
LED Status
Lit
5V power is not normal.
Data not receiving
(RXD = 1)
Data not transmitting
(TXD = 1)
3
Not Lit
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