SKE Steam Humidifier
Installation Instructions and User Manual
22
8.2.3. Humidity Signals (internal mode)
Terminal Block
Modulating Printed Circuit Board
Humidity signal 0-10 Vdc
(Illus. 37)
(Illus. 40)
Humidity signal 2-10 Vdc
(Illus. 38)
(Illus. 41)
Humidity signal 4-20 mA
(Illus. 39)
(Illus. 42)
1
8
7
5
4
3
2
F
6
9
0-10 Vcc
+
-
Pressure Differential
Switch
High limit
Humidistat
5 Vdc
P
C
B
9
7
0
8
1
9
R
E
V
. C
Jumper on
0-10V
Extra jumper
TOP PCB
MODULATING
CONTROL
INPUT
HUMIDITY
INPUT
4-20mA
0-10V
2-10V
4-20mA
2-10V
0-10V
1
8
7
5
4
3
2
F
6
9
2-10 Vcc
+
-
Pressure Differential
Switch
High limit
Humidistat
5 Vdc
P
C
B
9
7
0
8
1
9
R
E
V
. C
Jumper on
2-10V
Extra jumper
TOP PCB
MODULATING
CONTROL
INPUT
HUMIDITY
INPUT
4-20mA
0-10V
2-10V
4-20mA
2-10V
0-10V
1
8
7
5
4
3
2
F
6
9
4-20 mA
+
-
Pressure Differential
Switch
High limit
Humidistat
5 Vdc
Jumpers on
4-20mA & 2-10V
P
C
B
9
7
0
8
1
9
R
E
V
. C
TOP PCB
MODULATING
CONTROL
INPUT
HUMIDITY
INPUT
4-20mA
0-10V
2-10V
4-20mA
2-10V
0-10V
