SDM-SIO4 User Guide

;end of set up.

5:End (P95)

;get the two floating point values from the SDM-SIO4.

6:SDM-SIO4 (P113)

1:

1

Reps

2:

0

Address

3:

1

Send/Receive Port 1

4:

4

Command

5:

0

1st Parameters

6:

0

2nd Parameters

7:

2

Values per Rep

8:

1

Loc [ Voltage ]

9:

1.0

Mult

10: 0.0

Offset

;Only set the output flag when the voltage is ;greater than or equal to -99998.

7:IF (X<=>F) (P89)

1:

1

X Loc [ Voltage ]

2:

3

>=

3:-99998 F

4:10 Set Output Flag High (Flag 0)

;Time stamp.

8:Real Time (P77)

1:1111 Year,Day,Hour/Minute,Seconds

;Instantaneous values stored to final storage.

9:Sample (P70)

1:

2

Reps

2:

1

Loc [ Voltage ]

*Table 2 Program

02:0.0000 Execution Interval (seconds)

*Table 3 Subroutines

End Program

Example CR10X Program using the Polling Method

This program will deal with sensors that send data at random intervals. The program polls the SDM-SIO4 to see if data is available and only stores the data then.

A typical filter that could be used is as follows:

fltst 200 "t[data]A5xff"

This filter works as follows:

t[data] – this filter waits for an exact string match before it starts the next filter. In this case it is waiting for the sensor to send the string ‘data’.

A5 – this filter sets up a 250ms filter time-out; this time-out should be long enough for the sensor to transmit all of its data.

5-20

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Campbell Hausfeld SDM-SIO4 manual Example CR10X Program using the Polling Method, End of set up