Shift Function - Mitsubishi Electric MELSEC iQ-R User Manual

1.7

Shift Function

Medium speed
This function adds (shifts) a set conversion value shift amount to a digital output value and stores the result in the buffer
memory. The change in the conversion value shift amount is reflected on the digital operation value on a real-time basis.
Therefore, fine adjustment can be easily performed when the system starts.
Operation
A set conversion value shift amount is added to the digital operation value. The digital operation value with shift addition is
stored in 'CH1 Digital operation value' (Un\G402). The conversion value shift amount is added in every sampling cycle when
sampling processing is performed, or the conversion value shift amount is added in every averaging process cycle when
averaging processing is performed. The value after the addition is stored in 'CH1 Digital operation value' (Un\G402). If the
conversion value shift amount is set, the value is added regardless of turning on and off of 'Operating condition setting
request' (Y9).
Setting procedure
Set a value for "Conversion value shift amount".
[Navigation window]  [Parameter]  [Module Information]  Module model name  [Application setting]  [Shift
function]
Item
Conversion value shift amount
Setting example
Ex.
When the I/O conversion characteristics are adjusted in a channel where the input range of 0 to 5V is set by the shift function
32000
31990
0
-10
Voltage input (V)
0
5
1 FUNCTIONS
42
1.7 Shift Function
Low speed
(2)
(1)
Analog input voltage (V)
5
Digital output value
-10
31990
Setting range
-32768 to 32767
(1) 'CH1 Digital output value' (Un\G400)
+
'CH1 Conversion value shift amount' (Un\G472) "+10"

(2) 'CH1 Digital operation value' (Un\G402)
Digital operation value
0
32000