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Operating Instructions
BA 7020
Technical specifications subject to change without notice
Copyright according to ISO 16016
97
98 99
U
2
20
38
91
E1
Fig. 12:
Labelling of connection terminals
See also "Wiring diagram", chapter 10
Fig. 13:
Allocation of connection terminals
E3
92 93
3
4
5
12
14
E4
E2
E5 E6
0 I
22 23 24 25 26
39
40
Normal and safety modes, see
chapter 6.8
6.6 Connection terminals - labelling and allocation
Terminal
Allocation
Notes
2, 3
supply terminals
See wiring diagram, chapter 10,
for correct allocation.
4, 5, 12, 14
Can be allocated to an overriding external
control system (antifreeze, excessive
temperatures).
For external control, the N↔S
switch must be set to „S“ (safety
mode).
20, 22
Digital input for a switch used to select
between two conditions, e.g.
"Open / Closed" or "Summer / Winter".
23, 24, 25, 26
Analogue output position indicator using
voltage and / or current.
Analogue outputs can be
connected simultaneously.
38, 39, 40
Connection terminals Modbus
91, 92, 93
Connection terminals potentiometer
U, 0, I
Input set value for valve position
IMPORTANT! Position of DIP
E1, E2, E3, E4, E5, E6
Terminals for 2 digital outputs
IMPORTANT! Position of DIP
switches 5 & 6, see chapter 6.3
97, 98, 99
Connection terminals for motor
Ex-works wiring varies according
to type of actuator.