Schneider Electric SR2MAN01 user manual Frequently, Asked Questions, Answer

Diagnostics

Frequently		Here below are the most frequently asked questions and their answers:
Asked Questions
	Question		Answer
			Some parameters are not accessible. See the documentation to find
I cannot access some parameters.			out whether these elements can be changed. Example of an element
			that cannot be changed: Counter function block counting direction.
			This element is only accessible by wiring in a ladder diagram line.
			To access the parameters, you must use the navigation keys and
I still cannot access some parameters.			to position the cursor above them. The and are used to
			change these values. Then press Menu/OK to confirm the changes.
I cannot RUN my smart relay even though I			CAUTION, make sure that the error symbol (!) is not displayed in
enable the RUN/STOP option in the main menu			the contextual menu line. Correct the error in order to RUN the
using the Menu/OK key.			smart module.
I would like to change my diagram lines but the			Ensure that the smart relay is indeed stopped. Changes in RUN
Menu/OK key no longer works.			mode are not allowed.
When I try to change my diagram lines, the smart			Not necessarily, this situation may occur when 4 consecutive
relay shows me a screen with only line numbers			blank lines have been inserted at the start of the ladder diagram or
(LINE No.). Have I lost all my work?			between the command lines.
I have a ladder diagram that uses the Z key ( ,
, , ) for a pushbutton. I would like to test it			No this is impossible.
but when I display the diagram dynamically, my Z
key is no longer operational. Can I make it work?
I generated a ladder diagram on a smart relay
with a clock. Can I use a backup memory to			No this is impossible.
transfer it to a smart relay without clock?
When entering a ladder diagram, the clock			It is quite possible that the smart relay is one without a clock.
function blocks do not appear when choosing the			Consequently, the clock function blocks are not accessible. Check
contacts. Is this normal?			the product reference numbers.
When entering a ladder diagram, the analog			It is quite probable that the smart relay does not have analog
function blocks do not appear when choosing the			inputs. Consequently, the analog function blocks are not
contacts. Is this normal?			accessible. Check the product reference numbers.

190 SR2MAN01 11/2007