ABB UNITROL 1020 - Page 25

 Chapter 3 - Device Overview
UNITROL 1020 User Manual 3BHS335648 E82 17
G2
D10 D12
V6
G1
D11
D9
V5
D8
V4
D6 D4
D7 D5
V3
D3
D2
V2
D1
V1
BO2
BRN
BO1
BRP
AO1
ARN
ARP
BI3 BI1 BI2
AI3 AI2 AI1
20
21
38
39
40
41
52
53
AO2
Ref.
Label
Signal Description
Digital IO Terminal
20
G2
GND
21
G1
GND
22
D12
Digital Input 12
23
D11
Digital Input 11
24
D10
Digital Input 10
25
D9
Digital Input 9
26
V6
24V Power
27
V5
24V Power
28
D8
Digital Input / Output 8
29
D7
Digital Input / Output 7
30
D6
Digital Input / Output 6
31
D5
Digital Input / Output 5
32
V4
24V Power
33
V3
24V Power
34
D4
Digital Input / Output 4
35
D3
Digital Input / Output 3
36
D2
Digital Input / Output 2
37
D1
Digital Input / Output 1
38
V2
24V Power
39
V1
24V Power
Ref.
Label
Signal Description
Analog
IO Terminal
40
BO2
GND Analog Output 2
41
AO2
Analog Output 2
42
BO1
GND Analog Output 1
43
AO1
Analog Output 1
44
BRN
GND Negative Reference
45
ARN
-10V Negative Reference
46
BRP
GND Positive Reference
47
ARP
+10V Positive Reference