Microsensor MFE600C, Operation Manual

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4
4 Start up
4.1 Switch on
Before turning on the power, please check that the system has been properly installed as required,
including:
a) The instrument shall be mechanically safe and shall be installed in accordance with regulations;
b) The power supply shall be connected according to regulations;
c) The electrical connection wire of the cavity shall be protected, and the cap shall be tightened;
Terminal Symbol Function
1 T-/A RS485/RS232 communication output
2 RS232 GND RS232 grounding wire
3 T+/B RS485/RS232 communication input
4 I.mA 4mA~20mA DC output;
5 Icom +24V Current output grounding wire
6 P+ 2-way flow pulse output/frequency output
7 Pcom Pulse output grounding wire
8 ALMH Alarm output for Upper Limit of flow
9 ALML Alarm output for Lower Limit of flow
10
+3.3V
Pressure transIN
11
+IN
Pressure transmitter output terminal
12
0V
Pressure transmitter GND
13 EX1
Exciting current
14 EX2
Shielding network DS1
16 S1 Electrode wire
17 S0 Signal grounding wire
18 S2 Electrode wire
Shielding network DS2
220V 220V
220V AC power supply access
220V 220V
24V 24V
24V DC power supply access
24V 24V
Short Circuit lugs
Passive
When lugs are connected to Passive, the current
①
or pulse
②
will
output an active signal.
Active
When lugs are connected to Active, the current
①
or pulse
②
will
output a passive signal.