Accessory List

MFC-420
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 129
Figure 3 MFC-420 Control Module Switch and Adjustment Locations. Showing Wiring Designations and Typical
Factory Settings for Switches and Shorting Blocks.
Figure 4 MFC-420 Control Module Shorting Block and Program Switch Block.
Switch Blocks with Dip Switches
Extend Point
Span
(1-8)
Top
Direct/Reverse Action
Shorting Blocks
Not Used
1
2
3
(+) Positive mAdc Input
(-) mAdc Input (Common)
Mounting Pin
Brackets
Wiring
Terminal
Hysteresis (9, 10)
SW1
SW2
J4
J6
J5
J7
J4
J6
J5
J7
SW1
SW2
Shorting Blocks
Reverse Acting
Switch Blocks
Direct Acting
Note: Extend point is the current required to drive an actuator to fully extended position. This is set at SW1.
SW2 switches 1 thru 8 determine span. Switches 9 and 10 set hysteresis.