Sarasota 2000 Ultrasonic Multipath
Flowmeter
Section 2, SYSTEM COMPONENTS, Page 2-11
Thermo Fisher Scientific
SYSTEM COMPONENTS
4-20 mA CONNECTIONS
(Refer to Fig 5)
Pin
Signal
Connect for Internal
loop power
Connect for external
loop power
Comment
1
0V
N/C
4-20 mA -
2
Input
4-20 mA -
4-20 mA +
3
18V excitation
4-20 mA +
N/C
I/O card 1, Input 1
4
0V
N/C
4-20 mA -
5
Input
4-20 mA -
4-20 mA +
6
18V excitation
4-20 mA +
N/C
I/O card 1, Input 2
7 0V
4-20
mA
-
N/C
8
-V
4-20 mA +
4-20 mA -
9 +V
4-20
mA
+
10 18V
Link 9-10
N/C
I/O card 1, Output 1
Int powered, not isolated
Ext powered, isolated
11 0V
4-20
mA
-
N/C
12
-V
4-20 mA +
4-20 mA -
13 +V
4-20
mA
+
14 18V
Link 13-14
N/C
I/O card 1, Output 2
Int powered, not isolated
Ext powered, isolated
15
0V
N/C
4-20 mA -
16
Input
4-20 mA -
4-20 mA +
17
18V excitation
4-20 mA +
N/C
I/O card 2, Input 1
18
0V
N/C
4-20 mA -
19
Input
4-20 mA -
4-20 mA +
20
18V excitation
4-20 mA +
N/C
I/O card 2, Input 2
21 0V
4-20
mA
-
N/C
22
-V
4-20 mA +
4-20 mA -
23 +V
4-20
mA
+
24 18V
Link 23-24
N/C
I/O card 2, Output 1
Int powered, not isolated
Ext powered, isolated
25 0V
4-20
mA
-
N/C
26
-V
4-20 mA +
4-20 mA -
27 +V
4-20
mA
+
28 18V
Link 27-28
N/C
I/O card 2, Output 2
Int powered, not isolated
Ext powered, isolated
0 – 5 V CONNECTIONS
(Refer to Fig 5)
Alternative connections require links LK2 and LK4 to be removed (Fig 6).
Pin Signal
Connection
Comment
1 0V
0-5
V
–ve
2
Input
0-5 V +ve
I/O card 1, input 1
4 0V
0-5
V
–ve
5
Input
0-5 V +ve
I/O card 1, input 2
15 0V
0-5
V
–ve
16
Input
0-5 V +ve
I/O card 2, input 1
18 0V
0-5
V
–ve
19
Input
0-5 V +ve
I/O card 2, input 2
Summary of Contents for HB-S2000
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