Azbil Micro Flow MQV9005 - Page 31

3-9
Chapter 3. MOUNTING AND WIRING
• Alarm output/event output
12
11
10
9
+ -
Load
Load
Load
EV2 OUT
EV1 OUT
ALM OUT
or 6 D.GND
Handling Precautions
•
Take special care that the event and alarm outputs do not exceed the
output rating of the device. Additionally, when driving a relay, use an
appropriate coil surge absorption diode built-in relay. Failure to do so
might cause the device to malfunction.
• External contact input
15
14
13
9
DI3
DI2
DI1
or 6 D.GND
Handling Precautions
•
When switching by relay contact, use an appropriate relay intended for
micro-current use (with gold contacts). Failure to do so could cause faulty
contact, resulting in malfunction.
• Analog I/O
19
18
17
+
—
+
—
0 to 5 V/1 to 5 V
0 to 20 mA/4 to 20 mA
0 to 5 V/1 to 5 V
0 to 20 mA/4 to 20 mA
FLOW OUT
A.GND
Input
Output
FLOW SP INPUT
• When using potentiometer (0 to 5 V)
20
18
17
+5 V
A.GND (0 V)
FLOW SP INPUT