Burkert Type 8681 Bedienungsanleitung PDF herunterladen (Seite 43)

AS Interface - Design

Calculation Examples:

Example 1:

3 valves are activated simultaneously, one position is reported (state for 200 ms):

Slave

= P

+ 1 x P

Valve-On

+ 2 x P

Valve

+ 1 x P

LED

4.5 W = 1.0 W + 1 x 0.9 W + 2 x 0.8 W + 1 x 1.0 W

Slave

= I

+ 1 x I

Valve-On

+ 2 x I

Valve

+ 1 x I

LED

148 mA = 33 mA + 1 x 30 mA + 2 x 26 mA + 1 x 33 mA

Example 2:

3 valves have been activated simultaneously, one position is reported (persistent state):

Slave

= P

+ 3 x P

Valve

+ 1 x P

LED

4.4 W = 1.0 W + 3 x 0.8 W + 1 x 1.0 W

Slave

= I

+ 3 x I

Valve

+ 1 x I

LED

144 mA = 33 mA + 3 x 26 mA + 1 x 33 mA

When using an external initiator, its power requirement should be added.

Safety instructions11.6.

DANGER!

Danger of explosion in explosive atmosphere (only in the event of a fault as zone 2)!

Opening the hood or the housing in an explosive atmosphere is only allowed in the isolated state!•

WARNING!

Risk of injury due to electrical shock!

Before reaching into the system (except for the Teach-In procedure in a non-explosive atmosphere) switch off •

the power supply and secure it to prevent restarting!

Observe applicable accident prevention and safety regulations for electrical equipment!•

Risk of injury from improper installation!

Installation may be carried out by authorized technicians only and with the appropriate tools!•

Risk of injury from unintentional activation of the system and an uncontrolled restart!

Secure system from unintentional activation.•

Following installation, ensure a controlled restart.•

english

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