8 | © Danfoss | Energy Meters | 2017.03
VUIGN102
Installation & User Guide
Infocal 9
Communication modules
Terminal
Marking
Description
76
Current output ground (-)
77
Iout1
1-st current output (+)
78
Iout2
2-st current output (+)
79
Pulse output ground (-)
80
Puls1
1-st pulse output (+)
81
Puls2
2-st pulse output (+)
24, (73)
BUS
M-Bus interface L1 signal (M-Bus , CL – -CL or RS232 – Rx (input))
25, (74)
BUS
M-Bus interface L2 signal (M-Bus , CL – +CL or RS232 – Tx (output))
75
BUS
Ground for RS-232 interface “GND”
Power supply
Terminal
Marking
Description
26
Main ground
27
0
Neutral
28
L
Mains power supply (230V AC)
3.
Commissioning
3.1.
Bleeding
1. Bleed the system until the flow rate display is steady.
2. Make sure no error codes are displayed.
3. Check the display for a plausible indication of flow rate and temperatures.
