Burkert Type 8681 Bedienungsanleitung PDF herunterladen (Seite 14)

System Description

short mechanical and pneumatic installation times.•

For increased safety requirements (e.g. in the explosion-risk area) a seal or a hood safeguard using plastic self-•

cutting screws (3 mm diameter, approx. 10 mm length; e.g. Ejot PT screws K 30 x 10) are required.

conform to the ATEX Directive 94/9/EC (Dust ATEX category 3D and Gas ATEX category 3G - see chapter •

6.2. )

Functions / Options / Designs5.4.

Structure of the Control Head5.4.1.

Electronics module with

connection terminals,

service interface and

Teach-In buttons

(back side)

Solenoid valve 3

Solenoid valve 2

Solenoid valve 1

Cable gland

(back side)

Exhaust air connection (3/R)

Mechanical manual

control (red lever)

Supply pressure

connection(1/P)

Working connections

(2/A1 - 3)

Flow restriction screw(s)

for P and R

(2 per solenoid valve)

Solenoid valve 3 (2/A3)

Solenoid valve 2 (2/A2)

Solenoid valve 1 (2/A1)

Position measuring system

with LED's in three colors

Silencer in the exhaust air

connection (3/R), not shown

Sealing lug

(on lower housing part)

2 locking screws (shoulder

screws M5); no sealing

function, merely as protection

against pulling off from the

hub ﬂange

Locking groove (3x)

Fig. 1: Structure of Control Head Type 8681

english

Control Head Type 8681

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 89 90

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