Operation
Operating Manual PSS u2 ES 4DO SR 0.5A
1004553-EN-01
20
8
Operation
The status of the module is displayed via the "Module status display" and "Terminal status
display"; this is signalled to the head module and any error is entered in the head module's
diagnostic log.
8.1
Display elements and messages
Only the LEDs at the terminals 1, 3, 5, 7, 9, 11, 13, 15 are active. The terminal On.x2 lights
in switched-off state and terminal On.x4 lights in switched-on state.
[1]
[2]
Legend
[1] Module status display
[2] Terminal status display
The module can detect the following errors:
[1]
Col-
our
[1]
[2]
Col-
our
[2]
Meaning
Further information
--
--
Module not ready for operation
Green
--
Module ready for operation
Green
Green Terminal status display at the terminals 3,
7, 11, 15 lights up green when the
changeover contact On.x1 / On.x2 is open
and the module is in operation.
Terminal status display at the terminals 1,
5, 9, 13 lights up green when the
changeover contact On.x1 / On.x2 is open
and the module is in operation.
Green
--
Module in operation and the changeover
contacts are open
Red
--
Configuration error: Module was inserted in
the wrong slot.
Red
--
Internal error/firmware update
See module's diagnostic log