6
1.2 Connections
The screw terminal blocks are situated under the cover on the rear side of the calculator.
Note:
The covers retaining screws is protected by a labelled sea.
When the calculator is mains powered the will be a permanent power cord.
Note:
BR431 power supplied, flow sensor has to be connected to +3V.
Numbering
according to
EN1434
Marking on
terminals
Description
9 3V
Flow sensor power supply (+)
10 Kt
Flow )
11 0
Flow sensor (-)
5 F
High temperature sensor (H)
6 F
High temperature sensor (H)
7 R
Low temperature sensor (L)
8 R
Low temperature sensor (L)
16 P1
Pulse input/output 1 (+)
17/19 0
Pulse input/output 1 and 2 (-)
18 P2
Pulse input/output 2 (+)
60 A1
Siox input (option)
61 B1
Siox input (option)
24 MBUS
M-Bus
input
25 MBUS
M-Bus
input
Fig. 1.2a, Connection terminal F2
11 5
6
7
8 16 17/19 18
A1 B1
MBus MBus
This Calc ulator is equppped with pulse outputs
9
0
F F R R P1 0
P2 A
Kt
3V
50 60 61
24
25
Fig. 1.2b, Labels on the on the backside of the F2 cover. The picture on top F2 with pulse outputs and
the picture below F2 with pulse inputs.
Содержание SVM F2
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