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2021-05-06·BA00·III·en·00
Mounting and Installation
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Termination board and
connecting cable for Zone 2
Series 9491
Connection between I/O modules and termination board
The termination board 9491/T1-08-0. in combination with two connecting cables
9491/Z1-VB-.. enables the redundant interconnection of two type 9469/35 I/O modules.
22373E00
Connect a 9491/Z1-VB-.. connecting cable with pre-installed, 24-pole,
pluggable terminal on the cable end on the X1 terminals of the primary and redundant
I/O modules and use the safety screws to secure it from loosening
(tightening torque 0.5 to 0.6 Nm).
Connect the cable end with the Sub-D plug from the primary I/O module terminal X1 to the
Sub-D socket X1P on the termination board and use the safety screws to secure it against
loosening (tightening torque 0.5 to 0.6 Nm).
Connect the cable end with the Sub-D plug from the redundant I/O module terminal X1 to
the Sub-D socket X1R on the termination board and use the safety screws to secure it
against loosening (tightening torque 0.5 to 0.6 Nm).
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12
primary
I/O module
X1
X1P
X1R
X1B
X1A
X1
redundant
I/O module