Installation instructions nbox/enc2/s, 3 installation instructions - mounting, Connect network – TREND NBOX_ENC2_S User Manual
Page 3: 2 wire, 4 wire connect to em-mpo, Connect inputs, Digital inputs
3
NBOX/ENC2/S Electricty Meter Node Controller Installation Instructions TG200270 Issue 1/E 11/10/07
Installation Instructions
NBOX/ENC2/S
T
T
R
R
X
T
T
R
R
TX- TX+ RX- RX+
earth,
ground, bus
1 2 3 4 5 6 7 8 9 1 0
T X
R X
O K
1
2
3 Installation Instructions - Mounting
(continued)
Connect Network
6
T
R
T
R
T
R
T
R
T
T
R
R
TX-
X
TX+ RX- RX+
earth,
ground, bus
T
R
T
R
T
R
T
R
2 wire
Network Engineering Manual, 92-1735.
additional terminals
Polarity independent
4 wire
Connect to EM-MPO/..
7
1 2 3 4 5 6 7 8 9 1 0
T X
R X
O K
1
2
RS485
A B
3 m (9’ 10”) cable supplied with ENC2/S
ENC2/S
Connect Inputs
(external connection channels 1, 2, configuration channels IN1, IN2)
8
1 2 3 4 5 6 7 8 9 1 0
T X
R X
O K
1
2
earth, ground, bus
I N 1
C
I N 2
C
D i g i t a l O n l y I n p u t
1
2
Digital inputs
(channels 1 to 2)
INn
C (0V)
earth, ground, bus
red
blue
Ensure correct polarity
earth,
ground, bus
e.g. Connect External Synchronisation Contact to Input 1
IN1
C (0V)
earth, ground, bus
External Maximum
Demand Sync Pulse
Note that for the ENC2/S strategy to use the external sync
pulse, W2, Enable Ext Sync, must be set to 1 - see section 4,
Configuration, step 14.
A B
RS485
← → RS232
Ensure RS232/RS485 converter
is connected correct way round.
terminal size 0.5 to 2.5 mm
2
(14 to 20 AWG)
EM-MPO/..
Trend TP/1/22/HF/200 (Belden8761) cable recommended
for all inputs
Terminal size 0.5 to 2.5 mm
2
(14 to 20 AWG)
additional terminals
e
l
b
a
C
d
u
a
b
2
k
1
d
u
a
b
6
k
9
d
u
a
b
2
k
9
1
s
e
r
i
W
f
o
.
o
N
2
8
1
9
n
e
d
l
e
B
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
7
)
s
d
y
5
6
7
(
2
7
0
2
9
n
e
d
l
e
B
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
5
)
s
d
y
5
4
5
(
2
0
0
2
/
F
H
/
2
2
/
1
/
1
/
P
T
d
n
e
r
T
)
1
6
7
8
n
e
d
l
e
B
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
7
)
s
d
y
5
6
7
(
m
0
5
3
)
s
d
y
0
8
3
(
2
0
0
2
/
F
H
/
2
2
/
2
/
2
/
P
T
d
n
e
r
T
)
3
2
7
8
n
e
d
l
e
B
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
5
)
s
d
y
5
4
5
(
m
0
5
2
)
s
d
y
0
7
2
(
4