TECHNICAL INFORMATION
4
5
/
50
87-901-004-01 (
B
)
How to connect the open collector input of the controller
The typical connections of the open collector input of the TV81
Navigator to an external system are described below. Two
cases are considered:
1.
the customer supplies the 24 Vdc
2.
the customer does not supply the 24 Vdc.
Note that a 24 Vdc, 30 mA voltage, a GROUND signal and the
open collector pin are available on the connector.
Case 1
Case 2 with relay utilisation
Case 2 with transistor utilisation
How to connect the outputs of the controller
The following figure shows a typical logic output connection
(relay coil) but any other device may be connected, e.g. a
LED, a computer, etc., and the related simplified circuit of the
controller. The example figure refers to the programmable set
point signal on pins 11 and 9.
Typical output connection1
J1
R > 400
Ω
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