YSI IQ SensorNet 2020 XT Terminal User Manual

Page 70

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Installation

System 2020 XT USB

3 - 40

ba76019e01

12/2012

Note
In the MIQ/TC 2020 XTmultiparameter measuring transmitter, the SN
terminator switches of the two MIQ modules are set to ON in the
delivery state. This is the correct setting provided that the system is not
further branched. In the case of additional branching, the SN terminator
switches must be newly set.

Example of determining

the main line

The following figure shows the length of the main line L made up of the
partial lengths L1, L2 and L3 as the cable section L4 is shorter than L3:

Length of the main line = L1 + L2 + L3

Fig. 3-27 Example of determining the length of the main line

Terminator switch

Terminator switches are located in each MIQ module between the two
SENSORNET connections on the right of the terminal strip
(designation "SN TERMINATOR"):

L1

= 150 m

L4 = 200 m

L2 = 200 m

L3 = 300 m

MIQ/PS
MIQ/24V

C

M

S

ESC

OK

MIQ/TC 2020 XT

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