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Regency

Model 4734 Access Control Expander Installation Manual (P/N 150807, Rev. A) Revised 5/98

EXAMPLE 1: You could write a program that would cause an X-10 module to turn on an air

conditioner if one signal from the Model 4150 Auxiliary Control Module indicated that the

high temperature trip point had been exceeded (Condition A), another 4150 signal indicated

that the high humidity trip point had been exceeded (Condition B), or if both signals had been

received.

EXAMPLE 2: The system could be programmed to activate a relay on the Model 4180 Status

Display Module that would turn on an LED if Area #1 and Area #2 were both armed or both

disarmed (A = B).

Table 17: Logical Operators

Operator “ON” Output Is Generated When...

A AND B

Both Condition A and Condition B are in effect (for example, Area #1 is armed

and Area #2 is armed).

A OR B Either A or B or both is in effect.

A XOR B Either A or B is in effect, but not both.

NOT (A) The specified condition is not in effect.

A = B A and B are in the same state (in effect or not in effect).

EQZ (A) When A is zero (uses less memory than (A = 0)).

A > B If A is greater than B.

A < B If A is less than B.

Table 18: Arithmetic Operators

Operator Numerical Output* Generated is the Result of: Operator

A + B A + B A + B

A - B A - B A - B

A * B A * B A * B

DWN(A)

(Down Count) Value - 1 if value is greater than 0

(useful for timers).

DWN(A)

BIN(A)

Conversion of number from BCD (binary coded decimal) to binary.

Use to convert TSEC, TMIN, THR, MONTH, MDAY to binary before

comparison.)

BIN(A)

BCD(A) Conversion of binary number to BCD. BCD(A)

BIT(A) Conversion of number (0-7) to bit in byte. BIT(A)

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Regency 4734 Installationshandbuch Seite 58