User Manual

- 6 -
Baudrate (bps)
RS-422/485
Transmission
Distance (m)
Embedded
Terminator
External Power
Required
9600
1200
(ON) 120Ω
NO
19200
1200
(ON) 120Ω
NO
38400
600
(ON) 120Ω
NO
57600
300
(ON) 120Ω
NO
115200
150
(ON) 120Ω
NO
Switch and Jumper Settings
To change the operation mode, check the DIP Switch settings on the back
panel.
DIP Switch Settings
RS-422 with
Terminator
SW1
SW2
SW3
OFF
OFF
ON
RS-422
SW1
SW2
SW3
OFF
OFF
OFF
4-wire RS-485 with
Terminator
SW1
SW2
SW3
ON
OFF
ON
4-wire RS-485
SW1
SW2
SW3
ON
OFF
OFF
2-wire RS-485 with
Terminator
SW1
SW2
SW3
ON
ON
ON
2-wire RS-485
SW1
SW2
SW3
ON
ON
OFF
DIP SW1 and SW2 are used to select the operation modes (RS-422, 4W or
2W RS-485). The termination is controlled by DIP SW3.
Ext. Power supply
If additional external power is required, TCC-80I is designed to be
connected to a standard 5 to 12 VDC power adapter.
RS-422/485 Pinouts
The RS-422/RS-485 port with Terminal Block Connector is shown below.
Note that some for some RS-422/485 devices, “B” is used in place of “+”
and “A” is used in place of -“. That is, Data(B) Data(A) are equivalent to
Data (+) and Data(-), respectively.
PIN
RS-422/485
1
T+
2
T-
3
R+/D+
4
R-/D-
5
GND