Submittal Sheet

ML7984 VaLVe actuator
95C-10753—02 8
SIGNAL
SOURCE
(135 OHM)
ML7984
ML7984
ML7984
24 VAC
L1
OR
28 VDC
ALLOW 0.5 AMPS MAXIMUM FOR EACH DEVICE.
DO NOT MIX M984/6 OR MODUTROL MOTORS WITH THE ML7984 IN THE SAME CIRCUITRY.
USE CONFIGURATION DIP SWITCHES TO SELECT DEVICE FUNCTIONS: DIRECT ACTING FUNCTION (ACTUATOR STEM MOVES UPWARDS)
WITH SIGNAL INCREASES) OR REVERSE ACTING FUNCTION (ACTUATOR STEM MOVES DOWNWARDS WITH SIGNAL INCREASES).
*SERIES 90 (MECH/ELETRONIC) OPERATION CAN BE REVERSED WITHOUT CHANGING WIRING BY USING DIP SWITCH #3 (OPPOSITE AS
SHOWN).
USE RESISTOR KIT PART #272822.
CONFIGURATION DIP
SWITCHES LOCATED
ADJACENT TO THE
INPUT TERMINAL BLOCK
NOTES:
TURN POWER OFF BEFORE SETTING THE DIP SWITCHES.
FOR COMMON TRANSFORMER + COMMON CONTROLLER APPLICATION, PLEASE CONSULT THE FACTORY.
FUNCTION
DIP SWITCH CONFIGURATION
*SERIES 90 (MECHANICAL 135 OHMS)
I.E. T991
ON
OFF
+
-
T6
T5
L2
1
1
2
3
23
B
R
W
T6
T5
2
3
2
3
12 3 4
M21313
B
R
W
B
R
W
T6
T5
B
R
W
T6
T5
4
24 VAC
L1
L2
24 VAC
L1
L2
1
1
4
RESISTOR SELECTION CHART
NO. OF ACTUATORS RESISTOR VALUE
1
2
3
4
RESISTOR NOT REQ’D
133 OHM
68.1 OHM
45.3 OHM
ALL RESISTORS
1/4 WATT
1% M.F.
Fig 9B. Wiring for Single Series 90 (135 Ohm Slide Wire) signal input ML7984 actuators.