10 | © Danfoss | Energy Meters | 2019.03
VU.IG.B9.02
Installation guide
SonoSelect and SonoSafe
Terminals and cables
Communication
Name
Terminal No.
M-Bus
Meter bus (blue or orange)
24
Meter bus (blue or orange)
25
Pulse input
Pulse input 1 + (brown)
50
Pulse input 1 - (white)
51
Pulse input 2 + (brown)
52
Pulse input 2 - (white)
53
Pulse output
Pulse output 1+ (brown)
16
Pulse output 1- (white)
17
Pulse output 2+ (brown)
18
Pulse output 2 – (white)
19
Name
Dimensions
Cable specification
Pulse input cables 22AWG
<10m
Pulse output cables 22AWG
<25m
To ensure IP protection class connecting cable
outerjackets must be
Ø4.2 ± 0.1 mm
Communication cables delivered with energy meter.
Cable ends are stripped with crimped ferule.
1.0m
Mains power cable
Mains power meters are delivered with M12x1.5 cable gland suitable for outside cable
diameter Ø3-Ø6.5mm 2x0.75 mm
2
. In case
stranded wire is used Ferrules are required.
Pre fuse of max 6A must be used