4. Retighten the Phillips-head screw on Switch S1,
while holding it in the designated position.
Switch S1
To change the angle of Switch S1 to 20°, refer to
Figure 9 and proceed as follows:
Switch S2
To change the angle of Switch S2 to 70°, (see
Figure 9) proceed as follows:
Nodule Guides
(10° Increments)
Gear Release
0°
90°
Plunger
Position
Indicator
CCW
Edge of
Switch S1
Edge of
Switch S2
CW
1. Depress the gear release, and using the 0 to 90°
nodule guides, rotate the coupler until the position
indicator is at 70°.
2. Loosen the screw on Switch S2 with a Phillips
No. 1 screwdriver.
3. Rotate Switch S2 CW, and align the edge of the
switch with the plunger until the plunger rises.
D-70, D-140, D-210, and D-280 Series Electric Non-Spring Return Actuators Installation Instructions 7
Figure 9: Switch Angle Settings
1. Depress the gear release, and using the 0 to 90°
nodule guides, rotate the coupler until the position
indicator is at 20°.
2. Loosen the screw on Switch S1 with a Phillips
No. 1 screwdriver.
3. Rotate Switch S1 CCW, and align the edge of the
switch with the plunger until the plunger rises.
Note:
Note: The normally closed contact opens, and the
normally open contact closes. (See Auxiliary Switches
in Terminal Block 2 of Figure 5.)
4. Retighten the Phillips-head screw on Switch S2,
while holding it in the designated position.
5. Depress the gear release, and rotate the coupler
until the position indicator is back to 0°.
Repairs and Replacement
Do not field repair the D- Series actuators. To order a
replacement or an accessory, refer to the Delta D-70,
D-140, D-210, and D-280 Series Electric Non-Spring
Return Actuators Product Bulletin (LIT-10000033).
The normally closed contact closes, and the
normally open contact opens. (See Auxiliary Switches
in Terminal Block 2 of Figure 5.)
Technical Specifications
Product
D-70, D-140, D-210, and D-280 Series Electric Non-Spring Return Actuators
Power Requirements
(Class 2)
D24-70 and D24-140 Series:
20 to 30 VAC at 50/60 Hz or 24 VDC ±10%; 6.5 VA supply minimum
All Other Models: 20 to 30 VAC at 50/60 Hz or 24 VDC ±10%; 7.5 VA supply minimum
Input Signal
D24: 24 VAC at 50/60 Hz or 24 VDC
DM24: 0 (2) to 10 VDC, 0 (4) to 20 VDC, or 0 (4) to 20 mA
DRM24: Potentiometer value is 100 ohms minimum to 10,000 ohms
maximum.
Input Signal Adjustments
D24: Factory Setting: Terminals 1 and 2, CW rotation;
Terminals 1 and 3, CCW rotation
DM24 (Voltage Input or Current Input):
Factory Setting: 0 to 10 VDC, 0 to 20 mA, CW rotation with
signal increase
Jumper Selectable: 0 (2) to 10 VDC, 0 (4) to 20 VDC, or 0 (4) to
20 mA
-Z, -Z-A: Adjustable Zero, 0 to 6 VDC, 0 to 12 VDC, or 0 to 12 mA
Adjustable Span, 2 to 10 VDC, 4 to 20 VDC, or 4 to 20 mA
DM24, DRM24: Action is jumper selectable Direct (CW) or Reverse (CCW) with
signal increase.
Continued on next page. . .
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