GE 90*-30 PLC Series User Manual page 67

Interface between a series 90-30 programmable logic controller (plc) and a lonworks network bus interface module
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B
B-4
Table B-1. - Continued
Measurement
Temperature
Temperature setpts
Time of day
Time - elapsed
Time stamp
Translation table
Volume
Voltage
Zero and Span
Notes
.
1
SNVT_temp represents tenths of a degree Celsius above -274°C. To get SNVT_temp units,
define a constant: C_to_K equal to 2740 which is added to temperature expressed in tenths of
degrees C.
.
2
To be used for heating, ventilation and air conditioning applications.
.
3
The value 0xFFFF represents invalid data.
.
4
The value 0x7FFF represents invalid data.
Series 90™-30 PLC LONWORKS® Bus Interface Module User's Manual – June 1997
SNVT #
Name
SNVT_temp
SNVT_temp_p
SNVT_temp_f
SNVT_temp_setpt
SNVT_date_time
SNVT_time_f
SNVT_elapsed_tm
SNVT_time_sec
SNVT_time_passed
SNVT_time_stamp
SNVT_trans_table
SNVT_vol
SNVT_vol_f
SNVT_vol_kilo
SNVT_vol_mil
SNVT_volt
SNVT_volt_dbmv
SNVT_volt_f
SNVT_volt_kilo
SNVT_volt_mil
SNVT_zerospan
39
105
63
106
12
64
87
107
40
84
96
41
65
42
43
44
45
66
46
47
85
GFK-1322A

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