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INPUT PRECIP (SIPHON) measures precipitation from a

YOUNG siphon-type precipitation sensor using a VOLTAGE

INPUT CHAN. Set voltage measurement TYPE as single-ended

(SE) or differential (DIFF). Set precipitation measurement UNIT

to MM or INCH. Apply multiplier and offset with MULT and OFFS

parameters if needed. Result is stored at DLOC.

chan= Voltage input channel (1-16)

type= Input type (SE or DIFF)

unit= Precipitation unit (MM or INCH)

mult= Multiplier value

offs= Offset value

dloc= Destination location (001-256)

INPUT SERIAL NMEA parses a NMEA sentence received on

serial CHAN and stores results starting at DLOC. Numeric elds

are stored as oating point numbers. Single-character ASCII-

letter elds are stored as the equivalent decimal ASCII code.

Example: 'A' = 65. HEADER text must match. WAIT denes the

number of milliseconds to wait for an incoming NMEA string to

appear. Parsing error codes are stored in the DLOC position just

past the one used for the last eld (dloc + #ds + 1).

chan= Serial I/O channel (COM1 or COM2)

header= NMEA sentence header (text)

#ds= Number of data elds in sentence (01-99)

wait= Milliseconds to wait for serial data (0000-9999)

dloc= First data eld (001-256)

dloc+1 Second data eld

dloc+2 Third etc.

...

dloc+ds+1 Error code

0 No Error

1 Header does not match

2 Bad checksum

5 Timeout

6 Asterisk not detected

7 No $ at beginning of sentence

8 Null eld detected

All received serial sentences are stored in an internal buffer. If

WAIT=0, new serial data will not be acquired. Instead, the exist-

ing buffer contents will be parsed. This scheme allows parsing

for multiple headers by testing the error code for a match.

INPUT SERIAL NUM parses an ASCII text string received on

serial CHAN and stores results starting at DLOC. #FLDS de-

nes the number of data elds expected and will determine how

many storage locations are used. DELIM denes the delimiter

character between data elds in the string. ENDCHR denes

the end-of-line characters. When ENDCHR is set to NONE,

instruction will try to parse #FLDS. WAIT denes the number of

milliseconds to wait for an incoming ASCII string to appear. The

internal input buffer is limited to 128 characters.

chan= Serial I/O channel (COM1 or COM2)

#ds= Number of data elds in string (1-99)

delim= Field delimiter (SPACE, COMMA, TAB, NONE)

endchr= End-of-line characters (CR, CR-LF, NONE)

wait= Milliseconds to wait for serial data (0000-9999)

dloc= First data eld (001-256)

dloc+1 Second data eld

dloc+2 Third etc.

...

INPUT SERIAL RMYT parses the RMYT binary string received

on serial CHAN and stores results starting at DLOC. UNITS

denes wind speed units. WAIT denes the number of millisec-

onds to wait for an incoming RMYT string to appear.

chan= Serial I/O channel (COM1 or COM2)

units= Wind speed units (M/S, MPH, KM/H, KTS)

wait= Number of milliseconds to wait for serial data

dloc= Wind Speed destination location (001-256)

dloc+1 Wind direction destination location (001-256)

INPUT VOLTAGE measures voltage from 1 of 16 single-ended

inputs or 7 differential inputs. Differential channels must always

be set to an odd number to dene the input pair (i.e. differential

5 means input pair 5 and 6). Use MULT and OFFS to apply

a multiplier or offset to the measurement. RATE denes the

sample rate. The default rate of 4800Hz provides the fastest

measurement. Slower rates provide greater noise immunity and

additional effective resolution. The result is stored in DLOC.

chan= Voltage input channel (01-16)

type= Input type (SE or DIFF)

mult= Multiplier

offs= Offset

rate= Sample Rate (3.52kHz to 6.875Hz in 10 steps)

dloc= Destination location (001-256)

INPUT WIND DIR (VOLTAGE) measures wind direction using

any single-ended voltage input channel 1 through 4. Designed

for direct connection to a potentiometer transducer in the listed

YOUNG sensor models, this instruction automatically applies a

compensated pull-down resistance to accommodate the potenti-

ometer dead-band. Result in angular degrees is stored in DLOC.

chan= Input channel (1-4)

sensor= Young (03xxx, 04xxx, 051xxx, 053xxx, 05108)

dloc= Destination location (001-256)

INPUT WIND SPEED (FREQ) measures wind speed of listed

YOUNG sensors using any FREQ INPUT channel 1 through 4.

This instruction pre-congures the FREQ INPUT channel for

low-level AC.

chan= Frequency input channel (1-4)

sensor= Young (03xxx, 04xxx, 051xxx, 053xxx, 05108)

units= Wind speed units (M/S, MPH, KM/H, KTS)

dloc= Destination location (001-256)

LOC1 = LOC2 assigns the value in LOC2 to LOC1.

loc1= Location 1 (001-256)

loc2= Location 2 (001-256)

LOC = VALUE assigns the number in VAL to LOC.

loc= Location 1 (001-256)

val= Numerical value

LOC1 = LOC2 OPER LOC3 performs a numerical opera-

tion using the values in LOC2 and LOC3 and stores the result

in LOC1. POW raises the value in LOC2 to the power of the

number in LOC3. MOD calculates the modulo using the value in

LOC3.

loc1= Location where result is stored (001-256)

loc2= Location (001-256)

oper: Math operator (+, -, *, /, POW, MOD)

loc3= Location (001-256)

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