INFICON Sensistor Sentrac Hydrogen Leak Detector User Manual
Page 70
68
ni
n65
e1-a (140
9)
11
Analog input 0-10V
Nominal level = [+0.05 ... +9.95] V
Maximum level = [-50 ... +50] V
Input impedance = 22kohm
Input LP-filter fc = 2.9kHz
A/D internal resolution: 10-bit
Not used
12
PLC input EXT0
See note 3)
Selectable input function, see
note 6)
13
PLC input EXT2
See note 3)
Selectable input function, see
note 6)
14
Audio line out return (GND)
GND External Speaker
15
Audio line out
AC-coupled
Output is unbalanced
Line_OUT- is connected to GND
Line_OUT+ carries analog audio
symmetrically to GND
Output voltage swing, min = -
1.65V
Output voltage swing, max =
+1.65V
Output impedance = 160ohm @
400Hz
136ohm @ 1kHz
122ohm @ 10kHz
Output LP filter fc = 133kHz
Output External Speaker
16
PLC output EXT0
See note 4)
Selectable output function, see
note 5)
17
PLC output EXT1
See note 4)
Selectable output function, see
note 5)
18
PLC output EXT2
See note 4)
Selectable output function, see
note 5)
19
PLC output EXT3
See note 4)
Selectable output function, see
note 5)
20
RS232: DTE ready
See note 1)
Serial communication
21
GND
GND for I/O
22
RS232: Ring indicator
See note 1)
Serial communication
23
Analog output 0-10V
Nominal range = [0.150 ... +10.0]
V
Resolution: 8-bit
Output current = -65mA (sourcing)
/ +100mA (sinking)
Unlimited capacitive load
No short-circuit protection
Linjear output betvieen to
measuring level. Check value
level, Calcualte RL voltage,
calcualte resulution.
No Locating value.
24
GND
GND for I/O
25
PLC input EXT1
See note 3)
Selectable input function, see
note 6)
Pin
Signal
Specification
Function