Campbell CR23X Specifikace stáhnout pdf (Strana 180)

SECTION 10. PROCESSING INSTRUCTIONS

10-16

*** 66 ARCTAN ***

FUNCTION

Calculate the angle in degrees whose tangent is

X/Y. The polarity of X and Y must be known to

determine the quadrant of the angle, as shown

here. If 0 is entered for Parameter 2, the

Arctangent of X is the result (limits of

ARCTAN(X) are -90° < ARCTAN < 90°).

0

90

180

270

+

x

-

x

+y

-y

0

+90

-90

x/y > 0

x/y < 0

FIGURE 10-1. Quadrant that the Angle Falls

in is Defined by the Sign of x and y.

PARAM. DATA

NUMBER TYPE DESCRIPTION

01: 4 Input location of X [X]

02: 4 Input location of Y [Y]

03: 4 Destination input

location for

ARCTAN(X/Y) = [Z]

Input locations altered: 1

*** 67 DYNAGAGE SAP-FLOW ***

FUNCTION

This instruction is used in conjunction with a

Dynamax, Inc. Stem Flow Gage. It processes

four voltages measured by instruction 2. See

Appendix F for information on Instruction 67.

Input locations altered: 2 or 6

*** 68 EXTENDED PARAMETERS 4 DIGIT ***

FUNCTION

This instruction is used to give other instructions

additional parameters. Each of the eight

parameters in Instruction 68 is defined by the

instruction it follows. Refer to the specific

instruction that uses extended parameters.

Input location altered: 0

1 2 ... 175 176 177 178 179 180 181 182 183 184 185 ... 373 374

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