User guide

14 Rockwell Automation Publication 1756-PM018C-EN-P - November 2012
Chapter 1 IEC61131-3 Compliance
10 4 DINT Data Type Tag variable definition
10 10 REAL Data Type Tag variable definition
10 12 Time Tag variable definition, TIMER Structure
10 16 STRING data type 8 Bits
11 1 Data type Hierarchy none
12 1 Direct Derivation from elementary types User Defined data type structures
12 4 Array data types Tag variable definition
12 5 Structured Data types User defined data type structures
13 1 BOOL, SINT, INT, DINT initial value of 0 Tag variable definition
13 4 REAL, LREAL initial value of 0.0 Tag variable definition
13 5 Time initial value of T#0s Tag variable definition, reset (RES) instruction
13 9 Empty String '' Descriptions and Strings
14 1 Initialization of directly derived types Import/export
14 4 Initialization of array data types Import/export
14 5 Initialization of structured type elements Import/export
14 6 Initialization of derived structured data types Import/export
19a 2a Textual invocation, non-formal Available in ST
20 1 Use of EN and ENO Function present in LD but not labeled. Available in FBD.
20 2 Usage without EN and ENO Available in FBD
20 3 Usage with EN and without ENO Available in FBD
20 4 Usage without EN and with ENO Available in FBD
21 1 Overloaded functions ADD(INT, DINT) or ADD(DINT, REAL) All overloaded types that are supported are documented with
each instruction
22 1 _TO_ conversion function RAD, DEG instructions Radians to/from Decimal. String numeric
conversion STOD, STOR, RTOS, DTOS. Others not needed
because of instruction overloading
22 2 Truncate conversion function TRN instruction in LD and TRUNC function in ST
22 3 BCD to INT Convert FRD instruction in LD
22 4 INT to BCD Convert TOD instruction in LD
23 1 Absolute value ABS instruction
23 2 Square root SQR instruction in LD and FBD and SQRT function in ST.
23 3 Natural log LN instruction
23 4 Log base 10 LOG instruction
23 6 Sine in radians SIN instruction / function
23 7 Cosine in radians COS instruction / function
23 8 Tangent in radians TAN instruction / function
23 9 Principal arc sine ASN instruction in LD and FBD, and ASIN function in ST
23 10 Principal arc cosine ACS instruction in LD and FBD, and ACOS function in ST
23 11 Principal arc tangent ATN instruction in LD and FBD, and ATAN function in ST
24 12 Arithmetic add ADD instruction in LD and FBD, and + in ST.
Table Number:
(1)
Feature Number: Feature Description: Extensions and Implementation Notes: