59
AS Interface - Design
12.8
Electrical installation of the AS interface
Internal cabling work is not required for any of the AS Interface designs with multi-pole connection, which
makes installation and start-up on site considerably easier and quicker, reducing the risk of leaks.
However, you will require the correspondingly assembled cable sets with the following pin assignments.
Likewise, the jumpers on the electronic module must be set correspondingly (see figures below).
NOTE!
Use of the control head in a potentially explosive atmosphere
`
Only use cables and cable glands which are approved for the respective application area and fit the
cable glands according to the respective operating instructions!
`
Close all unnecessary openings with lock screws/plugs approved for explosions area!
Bus connection for AS interface
(power supply for solenoid valves via bus or external power supply)
M12 x 1 circular plug, 4-pole, male (according to IEC 61076-2-101)
(view of the M12 plug, from the front onto the pins)
Pin 2: NC
Pin 3: ASI -
Pin 1: ASI +
Pin 4: NC
Bus connection with power supply
for solenoid valves via bus
Pin 2: GND
Pin 3: ASI -
Pin 1: ASI +
Pin 4: 24 V +
Bus connection with external
power supply via solenoid valves
Fig. 23:
AS interface bus connection (power supply for solenoid valves via bus or external power supply)
Pin
Configuration
(supply via bus)
Configuration
(external power supply)
Wire colour
1
AS interface - ASI+
AS interface - ASI +
brown
2
Not used
GND
white
3
AS interface - ASI
−
AS interface - ASI
−
blue
4
Not used
24 V +
black
Power supply of the solenoid valves via the bus
External power supply of the solenoid valves
Jumper
Jumper
Fig. 24:
Jumper setting on AS-i electronic module: Power supply to the solenoid valves via the bus or externally
The cable with multi-pole connection variant is especially suited for direct and flexible connection to the AS
interface cable harness using the ribbon cable terminal (M12 branch circuit, VA branch circuit) that is optionally
available.
english
Control Head Type 8681
Summary of Contents for 8681
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