
WattNode Pulse Output kWh Transducer Connection Instructions
Page 7 of 7
Separate Branch Circuits Connection (T-WNB-3Y-208-P** only)
White (P1, P2, P3)
S-UCC-M00x
Pulse Input Adapters
Ou
tp
ut
P3
P2
P1
COM
A CT
B CT
C CT
Status
Status
Status
N
A
B
C
Black (COM)
LOAD
Branch Circuit 1
Neutral
LI
N
E
Source Faces
White
Black
White
Black
White
Black
Current Transformers
Branch Circuit 2
Branch Circuit 3
Ou
tp
u
t
P3
P2
P1
COM
CABLE-2.5-STEREO
Red wires
not used
White (P1, P2)
Black (COM)
T-WNB-3Y-208-P**
Pulse Output kWh Transducer
Connect to
Smart Sensor ports
R
WNB-3Y-208-P
Connect ground ( ) terminal from
each UX120 terminal block to COM
Connect (+) terminals from UX120
terminal blocks to P1, P2, and P3
Ou
tp
u
t
P3
P2
P1
COM
Connect to
pulse port
Customer-supplied
22 AWG twisted pairs
HOBO H21, H22, or U30 Series Data Logger
(H22-001 shown)
HOBO UX120 Series Data Logger
HOBO ZW Series Wireless Data Node
Ou
tp
u
t
P3
P2
P1
COM
CABLE-2.5-STEREO
Red wires
not used
White (P1, P2)
Black (COM)
HOBO UX90-001/M Data Loggers
Figure 7: Separate Branch Circuits Connection
** The T-WNB-3Y-208-P can measure two or three separate branch circuits simultaneously. Note that a S-UCC-M00x pulse
input adapter (if used with H21, H22, U30, or RX3000 data loggers) or a CABLE-2.5-STEREO (if used with ZW data
node or UX90 logger pulse ports) is required for each circuit monitored. A three-branch circuit arrangement is shown for
H21, H22, U30, RX3000, and UX120 data loggers.
HOBO H21, H22, U30, or RX3000 Series Data
Logger (H22-001 shown)
Shop for Data Logging products online at:
www.
DataLoggerStore
.ca
1.800.561.8187