70
17.4.
Connection to sensor unit
The table below gives pin assignment in the connection with the sensor unit. It is recommended
to connect all of the following pins in connecting to the sensor unit.
* Connector for connection “SENSOR” : D-sub 15 pin connector male, M2.6mm screw
* Connector for connection “CCM” : D-sub15 pin connector female, M2.6mm screw
“SENSOR”
Description
Remarks
Sensor unit
1
24VDC power supply
24VDC power supply to sensor unit
11
8
Pressure signal input +
Pressure signal is input.
2
9
Power supply GND
Power GND to the sensor unit
5
15
Pressure signal input -
Pressure signal is input.
12
Case
FG
Frame ground
Case
17.5.
Connection to external device
The table below gives the pin assignment in connecting to external device.
* Connector for connection “I/O”: D-sub 15 pin connector female, M2.6mm screw
“I/O”
Description
Remarks
3
Setpoint 1 actuating signal
Lo when actuated, 30VDC
MAX
, 50mA
MAX
, 70mW
7
Setpoint 3 actuating signal
Lo when actuated, 30VDC
MAX
, 50mA
MAX
, 70mW
8
Pressure signal
0 to 10 VDC
9
Signal GND
GND of pressure signal, burnout signal, setpoint, etc.
10
RS485 -
Serial communication RS485 - output
11
Setpoint 2 actuating signal
Lo when actuated, 30VDC
MAX
, 50mA
MAX
, 70mW
12
RS485 +
Serial communication RS485 + output
15
Signal GND
GND of pressure signal, burnout signal, setpoint, etc.
Case
FG
Frame ground
17.6.
Signals
17.6.1.
Output voltage
Output voltage is output from +[pin 8] of the I/O connector to GND [pin 15].
P = V
×
k
×
C
×
m
←→
V = P / k / C / m
P: Pressure value (Pressure)
V: Measurement value output voltage (V)
C: Calculation value (Refer to section18)
k: Conversion factor (Refer to the table below)
m: Factor of sensor type (Refer to the table below)
m
Type of sensor
1000
CCMT-1000A
CCMT-1000D
CCMH-1000A
100
CCMT-100A
CCMT-100D
CCMH-100A
10
CCMT-10A
CCMT-10D
CCMH-10A
1
CCMT-1D
CCMH-1A
Measurement unit
k(Conversion factor)
Pa
13.33
Torr
0.1
mbar
0.1333
State
Measurement value output voltage
Remarks
In normal measurement
Voltage corresponding to measured
pressure
Above measurable
higher limit
10 V
The display is “FFF”.
Below measurable lower
limit
0 V
The display blinks.
Summary of Contents for G-Tran ISG1
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Page 19: ...7 2 5 Installation DIN panel Panel thickness 4mm ...
