Campbell Hausfeld SDM-CAN - Manual (Page 36)

SDM-CAN CAN-Bus Interface User Guide
3.5.2 Simple CAN Data Transmission
The following example transmits a 16 bit temperature value to a CAN network
running at 500K baud.
;{CR10X}
;
*Table 1 Program
01: 1 Execution Interval (seconds)
;When Flag 1 is high set SDM-CAN switches to transmit mode
1: If Flag/Port (P91)
1: 11 Do if Flag 1 is High
2: 30 Then Do
;Load input location with value for switches
6: Z=F (P30)
1: 0003 F
2: 0 Exponent of 10
3: 3 Z Loc [ Switches ]
;Send switch settings to SDM-CAN
7: SDM-CAN (P118)
1: 0 SDM Address
2: 2 Time Quanta
3: 5 Tseg1
4: 2 Tseg2
5: 1 ID Bits 0..10
6: 0 ID Bits 11..23
7: 0 ID Bits 24..28
8: 32 Set switches
9: 00 Start Bit No.
10: 00 No. of Bits
11: 00 No. of Values
12: 3 Loc [ Switches ]
13: 1.0 Mult
14: 0.0 Offset
;Set flag 1 low after sending switch settings
8: Do (P86)
1: 21 Set Flag 1 Low
9: End (P95)
10: Batt Voltage (P10)
1: 4 Loc [ Battery ]
11: Internal Temperature (P17)
1: 5 Loc [ Int_Temp ]
12: Thermocouple Temp (DIFF) (P14)
1: 6 Reps
2: 1 2.5 mV Slow Range
3: 1 DIFF Channel
4: 1 Type T (Copper-Constantan)
5: 5 Ref Temp (Deg. C) Loc [ Int_Temp ]
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