3
INCREASING
DFP
10
9
RUN-STOP
(OPEN FOR RUN)
INCREASING
10K
DIAMETER
TENSION
TENSION
OPEN FOR RUN
RUN/STOP
CW
+
METER
-
1mA
POSITION
-
19
20
21
5
6
15
VDC
24
-
+
16
17
18
TENSION
SHIELD
11
12
13
+
14
-
(OPTIONAL)
(OPTIONAL)
METER
REMOTE
0-1 madc
24 vdc
OUTPUT
2
3
-
+
4-20
+
1
0-10
SHIELD
4
CURRENT-TO-
TRANSDUCER
PRESSURE
or
TORQUE MOTOR
Figure 4
Follower Arm Electrical Connections
4.3 Follower Arm Control Setup
The control adjustments marked with an underline on the label are the only ones needed for follower arm
adjustment. Stop time and Stop multiplier apply to all operating modes and are not distinctively marked.
1) Set the following switch and 22-turn potentiometers to the settings given below:
F
switch
PD
ZERO
full
Counter
Clockwise
FULL
full
Clockwise
D
full
Counter
Clockwise
CORE
full
Counter
Clockwise
STOP TIME
full
Counter
Clockwise
STOP MULT
full
Counter
Clockwise
2) Set the external TENSION pot full Clockwise.
3) Position the follower arm on an empty core.
4) Adjust the
CORE
pot to obtain zero on the remote meter.
5) Adjust the
ZERO
pot until the meter just starts to increase, and then reverse adjustment direction to
just return the meter to zero.
6) From published torque versus output curves adjust the
CORE
pot for the desired output at core.
(Example: y madc to provide xx psi at core.)
7) Place the follower arm at the full roll position, and adjust the
FULL
pot to the desired output at full
roll.
Setup is complete, and the DFC-A is ready for operation.
Optional adjustments:
Stop Multiplier and Stop Time. The
STOP MULT
pot can be used to increase the torque while the
machine is stopping. The increased torque is applied when the RUN/STOP input is closed (terminals 9
and 10). The length of time the increased torque is applied is adjusted by the
STOP TIME
pot. The
STOPPED indicator illuminates when the Stop Time expires.
