Control Head (As-I) With 2 External Initiators; Anomalies; Electrical Installation And Programming Data - Burkert 8681 Operating Instructions Manual

15.2.

Control head (AS-i) with 2 external initiators

15.2.1. Anomalies

This design was configured for the AS interface design.
This control head differs from control head Type 8681
(standard, AS-i) in the following points:
• Connections for 2 external initiators, which behave
like S1 and S2 (LED display)
• No internal positions can be taught
• No Autotune function can be used

15.2.2. Electrical installation and programming data

Compare also Chapter "11.7. Electrical installation of the AS interface" on page 49
Ext. ini-
tiator 2
(View of the two M12 female connectors for
the two external initiators)
Compare also Chapter "11.8. Programming data" on page 51 for the standard designs:
Bit configuration table:
Data bit D3
Input Not used
Output Not used
74
Ext. ini-
Pin External
tiator 1
initiator 2
1 24 V +
2 Not used
3 GND
4 S5 IN
D2 D1
Not used External initiator 2 (S5 IN)
Solenoid valve 3 Solenoid valve 2
English
Control Head Type 8681
Specialdesigns
for the standard designs:

Wire Pin External
color initiator 1
brown 1 24 V +
- 2 Not used
blue 3 GND
white 4 S4 IN
D0
External initiator 1 (S4 IN)
Solenoid valve 1
1
2
Connection
for 2 external
initiators
AS interface
connection
Wire
color
brown
-
blue
black