11
7.
OUTPUT SIGNALS
7.1.
Control Operation
Be aware of contact leak current. If a current of 0.1 mA or higher
flows between the input signal pin and the GND terminal, that may be
treated as signal input.
Contact leak current
7.1.1.
High Voltage ON/OFF [HV ON/OFF]
Turns ON/OFF the sensor head high voltage. (Lo input when HV is ON.)
Fig. 7-1 Signal input internal circuit diagram
7.2.
Output Signals
Signals are outputted from the connector at the top of the sensor unit in the open
collector format. Fig. 7-2 shows its internal circuit.
7.2.1.
Setpoint actuating signal [SET-1 ON/OFF][SET-2 ON/OFF]
The internal transistor will be actuated if the measured value is lower than the set
pressure. (Lo output when setpoint is ON.)
See section 4.3 for the pin numbers.
(
→
See section 8)
7.2.2.
Discharge valid signal [Discharge OK/NG]
If the discharge current is flowing normally when the high voltage is turned ON,
Discharge Valid will be OK and the internal transistor will operate (Lo output when
Emission Valid is OK).
The Display unit (IM1R1/IM2R1) works while watching this signal. When the cable
production, a constipated line is necessary.
See section 4.3 for the pin numbers.
Output rating [24 VMAX, 50 mAMAX, saturation voltage is 1V]
Fig. 7-2 Signal output internal circuit diagram
（
ON/OFF
）
2.4k
Ω
5:HV
ON/OFF
10:Out-Com
15
：
A-GND
24V
LED
(ON/OFF)
3 :SetPoint1 ON/OFF
11
：
SetPoint2 ON/OFF
4
：
Discharge OK/NG
10:Out-Com
15
：
A-GND
Summary of Contents for G-Tran BMR2
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