20
B1
RE
L
A
Y
8
NC CO
M
RE
L
A
Y
7
NC NO
RE
L
A
Y
6
NC NO
RE
L
A
Y
5
NC
N
O
RE
L
A
Y
4
NC
NO
RE
L
A
Y
3
NC N
O
RE
L
A
Y
2
NC
N
O
RE
L
A
Y
1
NC
N
O
Po
wer
Su
p
p
ly
D
isp
lay
Co
re
In
te
rfa
c
e
Boa
rd
Co
re
E
th
e
rnet
RJ45
USB
Ho
st
Mo
dem
RJ1
1
Digita
l
In
pu
ts
A,
B,
C,
D,
E
& F
M
o
dem
Op
tio
n
Card
Sen
s
or
1
S
ens
o
r 2
or 4
(Obser
ve mark
ings
o
n
c
ir
c
ui
t
boa
rd)
Se
nso
r 3
S
ens
or 4
or 2
(Observ
e
m
a
rk
in
gs
on
c
ircu
it bo
ar
d)
4-2
0
mA
In
put Opti
o
n
Ca
rd
Digita
l
In
pu
t
Op
tio
n
Ca
rd
4-2
0
m
A
Ou
tp
u
t
Opt
ion C
a
rd
s
Re
la
y o
u
tp
ut
s
Neu
tral
Re
la
y Ou
tp
uts
Hot
Power
Rel
a
y
Boa
rd
F
u
s
e
s
t- t+ IN- IN++5V -5V
102839
REV 2
t- t+ IN- IN++5V -5V
102839
REV 2
t- t+ IN- IN++5V -5V
102839
REV 2
INPUT 5
-
+
INPUT 5
INPUT 6
INPUT 7
INP
UT 4
GN
+
2
4
+24V
TB
1
102815
R
V
2
IN
PU
T 3
INP
UT
2
INP
UT
1
+
-
+
-
+
-
+
-
-
+
-
+
-
+
10
28
4
7
RE
V
3
DIG INPUT 6 DIG INPUT 5
DIG INPUT 4
IN-
DIG I
NPU
T 3
DIG INP
UT 2
DIG
INPU
T 1
IN+ +v
IN-
IN+
IN+
IN-
+v
+v
IN-
IN-
IN-
IN+
IN+
IN+
+v
+v
+v
t- t+
IN
- IN+
+
5V
-5
V
Figure 3 Identification of Parts
Содержание WebMaster
Страница 19: ...15 Figure 1a Typical Installation Cooling Tower ...
Страница 20: ...16 Figure 1b Typical Installation Boiler Intermittent Sampling ...
Страница 21: ...17 Figure 1c Typical Installation Boiler Continuous Sampling ...
Страница 30: ...26 Figure 7 Wiring Diagram for Optional Digital Communications ...
