
A-2
Ladder Logic (LAD) for S7-300 and S7-400
C79000-G7076-C504-02
A.1 Listing with International Names
Table A-1 provides an alphabetical listing of instructions with international
full names. Next to each full name is its international short name and a
reference to the page on which the instruction is explained in this manual.
Table A-1 Ladder Logic Instructions Arranged Alphabetically by International Name, with Short Names
Full Name Short Name Page No.
Add Double Integer ADD_DI 11-3
Add Integer ADD_I 11-2
Add Real ADD_R 12-3
Address Negative Edge Detection NEG 8-22
Address Positive Edge Detection POS 8-21
Assign a Value MOVE 14-2
BCD to Double Integer BCD_DI 14-7
BCD to Integer BCD_I 14-4
Call FB from Box CALL_FB 20-4
Call FC from Box CALL_FC 20-4
Call FC SFC from Coil (without parameters) ––––(CALL) 20-2
Call System FB from Box CALL_SFB 20-4
Call System FC from Box CALL_SFC 20-4
Ceiling CEIL 14-17
Compare Double Integer (>, <, ==, <>, <=, >=) CMP>=D 13-3
Compare Integer (>, <, ==, <>, <=, >=) CMP>=I 13-2
Compare Real (>, <, ==, <>, <=, >=) CMP>=R 13-5
Divide Double Integer DIV_DI 11-9
Divide Integer DIV_I 11-8
Divide Real DIV_R 12-6
Double Integer to BCD DI_BCD 14-8
Double Integer to Real DI_R 14-9
Down Counter S_CD 10-7
Down Counter Coil ––––( CD ) 8-13
Exception Bit BR Memory BR –––| |––– 19-3
Exception Bit Overflow OV –––| |––– 19-7
Exception Bit Overflow Stored OS –––| |––– 19-9
Exception Bit Unordered UO –––| |––– 19-6
Extended Pulse S5 Timer S_PEXT 9-7
Extended Pulse Timer Coil –––( SE ) 8-15
Floor FLOOR 14-18
Integer to BCD I_BCD 14-5
Integer to Double Integer I_DI 14-6
Invert Power Flow –––| NOT |––– 8-7
Alphabetical Listing of Instructions
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