D.
O
ptional Module Installation and
Replacement
Instruction
VENUS X1 is based on replaceable input optional modules structure, user can install
or replace the optional module according to actual need, specific steps are as follows:
Install the Optional Module
1. Unscrew the 2 captive screws in input modules block, and pull out the input module
block, as shown in figure:
Captive Screw
2. Fix the input EXT board and input modules on the plate with the fixed screws, as
shown in figure:
