
Step 2 Wire the Controller
Hardware & Software Setup Guide Watlow MINICHEF 2000 ■ 13
Dual RTD Option (platinum)
F 2 _ _ – 2 _ _ _ – _ _ _ _ (100Ω RTD, curve selectable)
F 2 _ _ – 3 _ _ _ - _ _ _ _ (500Ω RTD, curve selectable)
F 2 _ _ – 4 _ _ _ - _ _ _ _ (1000Ω RTD, curve selectable)
Figure 13a — 2-wire RTD.
Figure 13b — 3-wire RTD: (will function as a 2-wire RTD).
Note: If your chosen software application does not require two sensor inputs, it is not necessary to wire Input 2. For
specific information, consult the application guide for the application you are using.
Event Inputs 1 and 2
Note: The following illustration is a view of the back of the controller, not of the mating connector.
F 2 _ _ - _ _ _ _ - _ _ _ _
Figure 13c — Switched DC (two per unit, non-isolated).
Note: Not all software applications require event inputs 1 and 2. For specific information consult the application
guide for the application you are using.
123
456
78
11
9
10 11 12
15
13 14 15
Event Input 2
123
456
7 8
8
9
10 11 12
12
13 14 15
Event Input 1
1
S1 S2 S3
23456
Input 1 Wiring Input 2 Wiring
S1 S2 S3
1
S1
S2 S1
S2
23456
Input 1 Wiring Input 2 Wiring
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