2021.05.25
•
REV. 3
• MASS FLOW METER OPERATING MANUAL
27
Pinouts
Check the calibration data sheet and pinout for your device.
See
for additional important information about connecting your device to a computer for serial commands.
Individual pinouts available at
alicat.com/pinout
.
8-Pin Mini-DIN (Default)
Pin Function
1
Not Connected
Optional: 4–20 mA primary output signal
2
Static 5.12 Vdc
Optional: secondary analog output (4–20 mA, 0–5 Vdc, 1–5 Vdc, 0–10 Vdc) or basic alarm
3
Serial RS-232RX Input Signal
Optional: RS-485 A
4
Remote tare (ground to tare)
5
Serial RS-232TX Output Signal
Optional: RS-485 B
6
0–5 Vdc Analog Out
Optional: 1–5 Vdc or 0–10 Vdc output signal
7
Power In
8
Ground (common for power, digital communications, analog signals, and alarms)
!
Warning:
Do not connect power to pins 1 through 6, as permanent damage can occur. It is common to mistake pin 2 (labeled
5.12 Vdc Output) as the standard 0–5 Vdc analog output signal. Pin 2 is normally a constant 5.12 Vdc.
Locking Industrial Connector Pinout
Pin
Function
1
Power In (+)
2
RS-232TX / RS-485 B
3
RS-232RX / RS-485 A
4
Remote tare (ground to tare)
5
Ground (common for power, communications, and signals)
6
Analog Out (voltage or current as ordered)
✓
Note:
The availability of different output signals depend on the options ordered.
Male Connector: Cable
Female Connector: Device
1
4
5
6
8
7
3
2
1
4
5
6
8
7
3
2
Male Connector: Cable
Female Connector: Device
1
2
3
4
5
6
5
4
3
2
1
6
