T1K–MODBUS
Specifications
Installation and
Safety Guidelines
2–4
T1K–MODBUS Specifications
Setting the DIP Switches
The T1K–MODBUS controller has an eight position DIP Switch which controls baud
rates, addressing modes, the state of the outputs in an error condition, etc. The DIP
Switch is located on the side of the unit, opposite the power supply.
Note: Be sure to look closely at the DIP Switch default settings below.
OFF ON
SW1
SW8
SW7
SW6
SW5
SW4
SW3
SW2
MODBUS Port Baud Rate
MODBUS RTU Addressing Mode
Hold Outputs (on Comm. Error)
RJ12 Serial Port Baud Rate
DIP SW
Factory Default Settings Shown (all OFF)
The DIP
Switch is on
this side.
CTS Control Enable/Disable
for RJ12 Serial Port
Communication Setting Mode
DIP Switches 1–3 select the MODBUS port baud rate.
SW 1–3 MODBUS Port Baud Rate
Baud Rate
SW 1
SW2
SW3
300 bps
OFF
OFF
OFF
600 bps
ON
OFF
OFF
1200 bps
OFF
ON
OFF
2400 bps
ON
ON
OFF
4800 bps
OFF
OFF
ON
9600 bps
ON
OFF
ON
19200 bps
OFF
ON
ON
38400 bps
ON
ON
ON
DIP Switch
Settings
