Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 722

Processing details
• These instructions add the single-precision real number in the device specified by (s2) to the single-precision real number
in the device specified by (s1), and store the result in the device specified by (d).
(s1)+1 (s1)
Single-precision real number Single-precision real number
-126
|specified value (stored value)| <2
• Value 0 or 2
(d).
Operation error
Error code Description
(SD0)
The value input to (s1) is -0, a subnormal number, NaN (not a number), or .
3402H
The value input to (s2) is -0, a subnormal number, NaN (not a number), or .
3403H The data in the device specified by (d) exceeds the following range. (An overflow has occurred.)
|(d)|<2
7 APPLICATION INSTRUCTIONS
720
7.9 Real Number Instructions
(s2)+1 (s2)
+
128
(d)+1 (d)
Single-precision real number
128
can be specified or stored in the devices specified by (s1), (s2), and