Programming IDEC SmartRelay
88 IDEC SmartRelay Manual
Press to select the SF list:
Q1
SF
The SF list contains the special
function blocks.
Press OK.
The block of the first special function is shown:
Trg
Par
Q1
When you select a special or basic
function block, IDEC SmartRelay shows
you the relevant function block. The solid
square cursor is positioned on the block.
Press or to select the required block.
Select your block (off-delay, see the next figure), and then
press OK:
The added block is
assigned the block number
B2. The cursor is positioned
at the top input of the added
block.
Before you press
‘OK’, this shows the
entry Trg
The B1 block previously connected to Q1 is automatically
connected to the uppermost input of the new block. Note that
you can only interconnect digital inputs with digital outputs or
analog inputs with analog outputs. The ’old’ block will
otherwise be lost.
The off-delay block has three inputs. At the top is the trigger
in
put (T
rg) you use to start the off-delay time. In our example,
the OR block B1 triggers the off-delay. You reset the time
and the output with a signal at the reset input. Set the off-
delay time at parameter T of the input Par.
In our example we do not use the reset input of the off-delay
function, and we
identify it with
an ’x’ connector.
x
B1
Par
Q1
B2
This is what the display should
now show
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