INFICON HLD6000 Refrigerant Leak Detector Interface Description - 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).