If the 5407 Relay output module is set to address 0 and the other IO modules, like 5607 IO module is also address 0 the 5407 module respond intermittently or misbehaving.
Solution:
Changed the 5407 module to address 1 or any address that is different from the other IO module address and the problem should be corrected.
Solution:
Changed the 5407 module to address 1 or any address that is different from the other IO module address and the problem should be corrected.