Event inputs 1 and 2 – Watlow MINICHEF 2000 User Manual
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S t e p 2 W i r e t h e C o n t r o l l e r
H a r d w a r e & S o f t w a r e S e t u p G u i d e
Wa t l o w M
I N I
C
H E F
2 0 0 0
■
1 3
Dual RTD Option (platinum)
F 2 _ _ – 2 _ _ _ – _ _ _ _ (100
Ω
RTD, curve selectable)
F 2 _ _ – 3 _ _ _ - _ _ _ _ (500
Ω
RTD, curve selectable)
F 2 _ _ – 4 _ _ _ - _ _ _ _ (1000
Ω
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.
1
2
3
4
5
6
7
8
11
9
10
11
12
15
13
14
15
Event Input 2
1
2
3
4
5
6
7
8
8
9
10
11
12
12
13
14
15
Event Input 1
1
S1
S2
S3
2
3
4
5
6
Input 1 Wiring
Input 2 Wiring
S1
S2
S3
1
S1
S2
S1
S2
2
3
4
5
6
Input 1 Wiring
Input 2 Wiring