Curtiss-Wright | Tritex II AC 90, 115 Rev. X PN39892 7/12/22
Internal RS 485 circuit
Connecting Multiple Tritex Actuators to a Modbus Master Host
Important considerations
• Always use 3 conductors, RS485 +, RS485 – and Reference.
• A twisted pair for 485+ and 485- is preferred.
• RS485 is a “multi-drop” network as opposed to a “star”, therefore
keep the drop (stub) to each actuator as short as possible. When
using the 8 mm connector use a T connector, such as the Exlar
PN TT458SP.
• A termination resistor is not usually required.
isolation
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