Install Instructions

Document Number: 129-185
Installation Instructions
September 30, 2002
Page 5 of 8
SKB/C62U
Calib.
Status
DIPSwitches
FunctionsSeeBelow
LEDStatus
Indication
StrokeCalibration
Connection
Terminals
EA1068R1
G0
AC24V
50/60Hz 0...10V
4...20mA
G
G0
Chm
GYMUZ
OK
Green
Status
Calib.
Red
Calib.
Error
Valve
Jam
1 2
Figure 23. SKB/C62U.
DIP
Switches
1
Selection of
Control Signal
2
Selection of Flow
Characteristic
ON 4 to 20 mA Modified*
OFF
(Factory Setting)
0 to 10 Vdc Default
*Changing the default setting will modify an equal
percentage valve to a linear flow characteristic. When
set to default, the flow characteristic is determined by
the valve body.
GB1M
G0
Y1
GM
Z
G0
Y
U
BM
G(SP)
F1
Y1
N1
B1
G0(SN)
32
1
M
Sensor
TemperatureLimiter
Controller
Actuator
B1
F1
N1
Y1
AC24V
EA1074R1
Figure 24.
Connecting Terminals
24 Vac
G System Potential (SP)
G0 System Neutral (SN)
Y Control Input 0 to 10 Vdc or 4 to 20 mA
(DIP switch selectable)
Z Override Input
(See Technical Instructions 155-163P25)
M Measuring Neutral
U Position Indicator for 0 to 10 Vdc or
4 to 20 mA .
Wiring for SKB/C82...U
Non-Spring Return
SKB82.50U, SKC82.60U
EA0746R1
EARTH GROUND
ISOLATING CLASS 2
TRANSFORMER FOR
24 Vac POWER
120 Vac
1
0
Y2
Y1
G
NEUT
CONTROLLER
24
Vac
NEUT
CONTROLLER
24
Vac
3Y1 Y2
4
G
11
Cm1
5
c1
3
4
5
c2
1000
100%
0%
100%
0%
cba
EA0217R3
ASZ7.3ASC9.3BCU
Figure 25. Non-Spring Return.
Connecting Terminals
G System Potential 24 Vac (+)
Y1 Downward movement of coupling piece (0 to 1)
Y2 Upward movement of coupling piece (1 to 0)
Cm1 Limit switch for 100% stroke
c1 ASC9.3BCU double auxiliary switch
c2 ASC9.3BCU double auxiliary switch
1000 Ω
ASZ7.3 potentiometer
The diagram shows all possible connections. How
many and which are used depend on the application.
Spring Return SKB82.51U and SKC82.61U
GY1Y221
11
EA0226R2
Figure 26.