Contemporary Control Systems BACnet Cube I/O BMT-AI8 Benutzerhandbuch
Seite 4
Fortsetzung Beschreibung der Software
Measurement Ranges
State
State_Text
Units of Analog Input
1 default
„0-10V %“
percent (98)
2
„0-10V % P“
percent (98)
3
„0-10 Volt“
volts (5)
4
„0-10 Volt P“
volts (5)
5
„Ohm“
ohms (4)
6
„User Defined“
set in Analog Value Object X1…X10
7
„PT100“
degrees-Celsius (62)
8
„PT500“
degrees-Celsius (62)
9
„PT1000“
degrees-Celsius (62)
10
„NI1000-TC5000“
degrees-Celsius (62)
11
„NI1000-TC6180“
degrees-Celsius (62)
12
„BALCO500“
degrees-Celsius (62)
13
„KTY81_110“
degrees-Celsius (62)
14
„KTY81_210“
degrees-Celsius (62)
15
„NTC1k8-T“
degrees-Celsius (62)
16
„NTC5k-T“
degrees-Celsius (62)
17
„NTC10k-T“
degrees-Celsius (62)
18
„NTC20k-T“
degrees-Celsius (62)
19
„LM235Z“
degrees-Celsius (62)
Analog Value Object 1…20
Property
Remark / Value
RW
Object_Identifier
analog-value, instance 1 … 20
R
Object_Type
ANALOG_VALUE (2)
R
Object_Name
max. 42 Bytes, default “X 1”, “Y 1” … “X 10”, “Y 10”
RW-E
Description
max. 84 Bytes, default “”
RW-E
Present_Value
Interpolation Table in User Defined Measurement Range
RW-E
Status_Flags
IN_ALARM: 0
FAULT: 0
OVERRIDDEN: 0
OUT_OF_SERVICE: 0
R
Event_State
NORMAL (0)
R
Out_Of_Service
FALSE (0)
R
Units
X1…X10: Units of Analog Input Object (default °C)
RW-E
Y1…Y10: Defined in Multistate Value 9
R
R: Read Property, W: Write Property, -E: Storage in EEPROM / Flash
Interpolation Table
Instance
Name
Default Value
Instance
Name
Default Value
1
“X 1”
-10.0
2
“Y 1”
960.86
3
“X 2”
10.0
4
“Y 2”
1039.03
5
“X 3”
30.0
6
“Y 3”
1116.73
7
“X 4”
50.0
8
“Y 4”
1193.97
9
“X 5”
70.0
10
“Y 5”
1270.75
11
“X 6”
0.0
12
“Y 6”
0.0
13
“X 7”
0.0
14
“Y 7”
0.0
15
“X 8”
0.0
16
“Y 8”
0.0
17
“X 9”
0.0
18
“Y 9”
0.0
19
“X 10”
0.0
20
“Y 10”
0.0
The Interpolation Table by default provides an example for PT1000 Temperature Sensors. In the example X values are Temperature in °C, Y values
are Resistance in Ohms. X and Y values must be sorted in ascending or descending order. The table ends where both values are 0.0. Measurement
Range at Input must be selected in Multistate Value 9.
Fortsetzung Beschreibung der Software
Multistate Value Object 9
Property
Remark / Value
RW
Object_Identifier
multistate-value, instance 9
R
Object_Type
MULTISTATE_VALUE (19)
R
Object_Name
max. 42 Bytes, default “User Defined Range”
RW-E
Description
max. 84 Bytes, default “”
RW-E
Present_Value
Selection of Measurement Range at Input
Voltage (Volt)
Voltage, Pullup Resistor 2kOhm to 5V (Volt P)
Resistance (Ohm)
and Usage of Interpolation Table
approximately linear sensor (e.g. PT1000)
approximately exponential sensor (e.g. NTC)
default 3, for PT1000 example
RW-E
Status_Flags
IN_ALARM: 0
FAULT: 0
OVERRIDDEN: 0
OUT_OF_SERVICE: 0
R
Event_State
NORMAL (0)
R
Out_Of_Service
FALSE (0)
R
Number_Of_States
6
R
State_Text
max. 20 Bytes, default see next Table
RW-E
R: Read Property, W: Write Property, -E: Storage in EEPROM / Flash
User Defined Range
State
State_Text
Units of Analog Values Y
1
„Volt lin“
volts (5)
2
„Volt P lin“
volts (5)
3
„Ohm lin“
ohms (4)
4
„Volt exp“
volts (5)
5
„Volt P exp“
volts (5)
6
„Ohm NTC exp“
ohms (4)
Group Object 1…3
Property
Remark / Value
RW
Object_Identifier
group, instance 1 … 3
R
Object_Type
GROUP (11)
R
Object_Name
max. 42 Bytes, default “Group 1” … “Group 3”
RW-E
Description
max. 84 Bytes, default “”
RW-E
Present_Value
Present_Value of Analog Inputs,
see next Table
R
List_Of_Group_Members
see next Table
R
R: Read Property, W: Write Property, -E: Storage in EEPROM / Flash
Members of Groups
Group
Analog Input
1
2
3
4
5
6
7
8
1
x
x
x
x
x
x
x
x
2
x
x
x
x
3
x
x
x
x
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