LACO PROTOCOL DESCRIPTIONS TITANTEST™
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© 2018 LACO TECHNOLOGIES, INC. - TitanTest itra01en1-07 SB.fm - 1807
The TitanTest may adopt the position of cases A, B or C in a bus. See Fig. 46:
Fig. 46: RS485 cable connection
A: TITANTEST™: with active termination
B: T
ITANTEST™: without termination (default setting).
C: T
ITANTEST™: with passive termination
The choice of T
ITANTEST™ connection can be made with the
DIP switch 1-3, Fig. 47: , according to Table 51.
DIP switch 4 has no function.
Fig. 47: RS485 DIP switches
A twisted, screened two-wire cable is recommended for the connection!
After receiving a command it takes about 5 to 10 ms until the T
ITANTEST™
sends a reply.
Table 51: bus termination, terminating resistors
DIP 1 (RT = 121Ω ) DIP 2 (Rb = 562Ω) DIP 3 (Ra = 562Ω)
A closed closed closed
B open open open
C closed open open