4 commands, Commands – INFICON HLD6000 Refrigerant Leak Detector Interface Description User Manual
Page 20

20
LD Protocol
3.4
Commands
Command
Class Name
R/W Data type Description
dez
hex
0
0
Control NOP
R
NO_DATA "No operation", replies without data
1
1
Control Start
W
NO_DATA Switch from "standby" to "measure"
2
2
Control Stop
W
NO_DATA Switch from "measure" to "standby"
4
4
Control Calibration
W
NO_DATA Start calibration with ext. Testleak
5
5
Control Clear error
W
NO_DATA Clear Error or Warning
11
B
Control Calibration acknowledge
W
UINT8
1 = Continue calibration
0 = cancel calibration
128
80
Meas
Leak rate [sel. unit]
R
FLOAT
Leak rate in selected unit
129
81
Meas
Leak rate [g/a]
R
FLOAT
Leak rate in g/a
142
8E
Meas
Leak detector operation hours R
UINT32
Leak detector operation hours
147
93
Meas
Time since power on [min]
R
UINT32
Time since power on [min]
152
98
Meas
Probe operation hours [h]
R
UINT32
Probe operation hours
157
9D
Meas
Switch on counter
R
UINT16
Counts the switch on cycles
0 ... 65534
165
A5
Meas
Electronic temperature [deg. C] R
FLOAT
Mainboard Temperatur in °C
177
B1
Meas
Probe test voltage [V]
R
FLOAT
Probe test voltage
178
B2
Meas
Probe acceleration value
R
UINT16
Probe acceleration value
179
B3
Meas
IR source voltage [V]
R
FLOAT
IR source voltage
180
B4
Meas
IR source current [I]
R
FLOAT
IR source current
201
C9
Meas
3.3 V supply [V]
R
FLOAT
3.3 V supply voltage for processor
210
D2
Meas
+12 V supply [V]
R
FLOAT
+12 V Spannung in V
211
D3
Meas
-12 V supply [V]
R
FLOAT
-12 V Spannung in V
213
D5
Meas
24 V supply IO [V]
R/W FLOAT
24 V IO-Modul supply voltage [V]
write for internal use only
218
DA
Meas
+5 V supply [V]
R
FLOAT
+5 V Spannung in V
219
DB
Meas
24V power out M12 [V]
R
FLOAT
24 V out M12, Spannung in V
220
DC
Meas
Analog input IO module [V]
R/W FLOAT
Analog input voltage IO module in [V]
write for internal use only
221
DD
Meas
Analog outputs IO [V]
R
FLOAT[2]
Analog output voltage for IO module in [V].
It is possible to write an arbitrary voltage value, if the
"Analog output configuration" (command 222) of the
accordant channel is set to 2.
222
DE
Param Analog output configuration IO
module
R/W UINT8[2]
Function of analog output
Index 0: Channel 1
Index 1: Channel 2
Functions
0: 0 V fixed
1: leak rate linear (see command 225)
2: Voltage setable by command 221
225
E1
Param Analog output upper value [g/a
for 10V]
R/W FLOAT
Upper limit for the analog out at IO module (Default: 1).
The value sets the leak rate in g/a for an output voltage of
10V (Min: 10; Default: 100; Max.: 1000).