IO Plus Logic Command Reference. ELPRO 415U-E CONDOR SERIES, 415U-2 CONDOR SERIES, 415U-2

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415U Condor-long-range wireless I/O and gateway

User Manual MN032006EN

Effective May 2018

IO Plus Logic Command Reference

Instruction

LOAD

LOAD

N { Description

Load the Accumulator

Load a value from memory to the accumulator.

32-bit counter: MSW at the high (Even) address.

Float: Loads the integer part only (0-65535)

Load an immediate value to the accumulator

Argument

Memory Register to load from

LOAD The actual value to load to accumulator

}

LOAD

STORE

STOR

Delayed

Calculation

Invert and Load to accumulator

Discrete: ON gives “0”; OFF gives “1”.

Other types: bitwise invert e.g. 0xFACE gives 0x0531

{ Calculate Memory Register to

Load from within the { }. The accumulator value is loaded from the location that has been calculated when the “}” statement is reached.

Store the accumulator to memory

Save value from the accumulator to memory

Invert accumulator and save. When storing to a bit Register, a non-zero value is stored as off, and zero is stored as on.

{ Calculate Memory Register to

Store to within the following instructions { }. The current accumulator value is saved to the location that has been calculated when the “}” statement is reached.

{ Calculate the Second Argument of a statement

Use this feature when you need multiple steps to calculate the second argument of a statement.

{ Check the “{“ Column to begin calculation of the argument to a statement. This works for LOAD, STOR and for all of the Logic and Math operations, as well as for the Test/Comparison operations.

Complete and execute a delayed Calculation. This matches the opening brace flag “{“ in the LOAD, STORE, Arithmetic, Logical, and Comparison commands.

It completes the calculation of the argument value and executes the original command.

Set or Clear a bit

Memory Register to load from

Initial value for the Memory Register calculation

Initial value of Register calculation

Initial value to load for the calculation

Argument Ignored

SET/

RESET

SET

RES

AND

…

DIV

AND

…

DIV

TEST

RES

LOGIC/MATH

AND

XOR

ADD

SUB

MUL

DIV

AND

…

DIV

Set memory register to “1” if accumulator is non-zero. Unchanged if accumulator is zero.

Set memory register to “1” if accumulator is zero.

Clear memory register if accumulator is non-zero.

Unchanged if accumulator is zero.

Clear memory register if accumulator is zero.

Bitwise Logical and Arithmetic operations

Perform Logical / Arithmetic operation between Accumulator and memory.

Result is saved in the accumulator.

AND, OR, XOR – Bitwise Operation

ADD – 16-bit addition with overflow

SUB – 16-Bit subtraction with overflow

MUL – Multiplication (mod 65536)

DIV – Division (x / 0 = 0)

Perform Logical / Arithmetic operation between Accumulator and Immediate value

Negate the argument (Bitwise invert) before performing the operation.

{ Perform Logical / Arithmetic operation between Accumulator and the result of the following calculation within the { }

Compare two values

Memory location to set

Memory location to clear

Immediate value to use for the second operand

Applies to Register, Immediate and delayed calculation.

Initial memory location or immediate value (I) for calculation of second operand.

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User Manual MN032006EN

Effective May 2018

415U Condor-long-range wireless I/O and gateway

…

JUMP

JMP

JMP_C

CALL/

RETURN

CALL

CALL_C

RET

RET_C

Instruction

N { Description

Perform Comparison operation between Accumulator and memory.

Accumulator gets “1” if comparison true. “0” if false.

GT – Greater Than

GE – Greater or Equal

EQ – Equal To

NE – Not Equal

LE – Less or equal

LT – Less Than

Perform Comparison operation between Accumulator and Immediate value.

Accumulatorgets “1” if comparison true. “0” if false.

N Negate the argument (two’s compliment) before performing the comparison

Argument

Immediate value to use for the second operand of the comparison

Applies to Register, Immediate and delayed calculation forms.

{ Perform Comparison operation between Accumulator and the result of the following calculation within the { }

Transfer Control to a new location

Jump to instruction

Jump forward or backward from the current location the number of lines specified

Conditional Jump if accumulator is non-zero

Conditional Jump if accumulator is zero

Conditional Jump forward or backward from the current location the number of lines specified

Call a subroutine and Return

Initial memory location or immediate value (I) for calculation of second operand.

Line number to jump to

0-9999: Jump Forward

10000+: Jump backward

Line number to jump to if accumulator is non-zero

Line number to jump to if accumulator is zero.

0-9999: Jump Forward

10000+: Jump backward

Call a subroutine. A subroutine will execute the listed statements until a “RET” statement is reached, where control returns to the line following the CALL statement.

Call a subroutine forward or backward from the current location, offset from current location

Conditional Call if accumulator is non-zero. (otherwise continue to next line)

Conditional Call if accumulator is zero

Conditional Call a subroutine forward or backward from the current location, offset from current location

Return from subroutine. Returns to the instruction following the last executed

CALL instruction.

Return to calling address if accumulator is non-zero

Return to calling address if accumulator is zero

Line number of first instruction of the subroutine to call

0-9999: call Forward

10000+: call backward

Line number to call if accumulator is non-zero