2–4
T1K–MODBUS Specifications
Setting the DIP Switches
DIP Switch
Settings
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.
The DIP
Switch is on
this side.
Factory Default Settings Shown (all OFF)
DIP Switches 1–3 select the MODBUS port baud rate.
SW 1–3 MODBUS Port Baud Rate
Baud Rate
SW 1
300 bps
OFF
600 bps
ON
1200 bps
OFF
2400 bps
ON
4800 bps
OFF
9600 bps
ON
19200 bps
OFF
38400 bps
ON
DIP SW
OFF ON
SW1
SW2
MODBUS Port Baud Rate
SW3
SW4
Communication Setting Mode
SW5
Hold Outputs (on Comm. Error)
SW6
RJ12 Serial Port Baud Rate
SW7
MODBUS RTU Addressing Mode
SW8
CTS Control Enable/Disable
for RJ12 Serial Port
SW2
SW3
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
ON
ON
ON
ON
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