"CONTROL MODIFICATIONS" continued
TACHOMETER FEEDBACK
Improves speed regulation to –1/2% of base speed.
+
6/12 VDC at BASE SPEED (3/7 VDC
at 1000 RPM for 1800 RPM MOTOR).
TACHOMETER
Refer to CONTROL FEATURES .
-
INHIBIT (USED INDEPENDENTLY)
The customer supplied SPST switch is connected in series
between the speedpot HI (P2-5) and the +TACH terminal
(P2-9). To inhibit, speedpot HI is closed to the +TACH term-
inal. To restart, the switch is returned to open. NOTE: The
control will stop and start fast.
WIPER
SPEEDPOT
+TACH
NOTE: Permits starting and stopping of motor without breaking AC lines. In the event of SCR failure or false triggering, the
Always use a shielded wire when connecting to the inhibit terminal. The shield should be connected to the -Armature or Common of the control.
NOTE: All options are specified by a suffix to the model number. This suffix starts with a dash (-). The more popular options are
described on the following pages. When a combination of two or more of these options are used, the wiring procedure is beyond
the scope of this manual. Please contact your Distributor or Representative.
-4 Option
Jog
This option is factory installed on the "RE" version only. "S2" is located on the cover and disables the latch circuit of the power relay's,
allowing the power switch to jog the drive. The "C" and "RC" versions use customer supplied switch and wiring, in addition the "C"
version uses a customer supplied relay.
JU2 JUMPER WIRE *
LO W
-1
-2
-3
ORANGE
SPEEDPOT
P2-9 +TACH
P1-5 -ARM / AMP REF
NOTE: NEED 1% OR LESS - TACH OUTPUT RIPPLE
P2
LO
-3
-4
-5
HI
-6
-7
SPST
-8
-9
Inhibit circuit will not stop motor.
HI
-4
-5
-7
-8
-9
-6
RED
BLACK
WHITE
PILOT
LAMP
BROWN
MOMENTARY ACTION SWITCH
Allows control output to follow tachometer voltage.
+
TACHOMETER
-
INHIBIT (USED WITH SPEEDPOT)
The customer supplied SPST switch is connected
in series between the speedpot HI terminal (P2-5)
and speedpot HI. To inhibit, the SPST switch
contacts are opened. To restart, the switch is
returned to the closed position. NOTE: The control
will soft stop and soft start through the acceleration
setting.
OPTIONS
See below for installation and availability
RED
-10
-11
-12
-13
P2
YELLOW
S2
SPST
SWITCH
S1
WHITE
BLACK
11
TACHOMETER FOLLOWER
P2-4 POT WIPER
12 VDC at FULL SPEED
P2-3 POT LO
P2
SPEEDPOT
LO
-3
SPST
WIPER
-4
HI
-5
NOTES:
For "RE" version, S1, S2
and pilot lamp are
FACTORY PROVIDED.
For "C" and "RC" versions,
S1, S2, and pilot lamp are
CUSTOMER PROVIDED.
* This jumper wire is
not used with some
BLACK
other options. Consult
factory if more than one
option is being wired.
Using JU2 jumper when
START
not required may cause
permanent damge to the
control.
STOP