Festo CPV ASI-4E3A-Z Series Stücklistenhandbuch

Brief description

CPV valve terminal

with AS-Interface

type

CPV-ASI-4E3A-Z

– English

8101717

2018-11c

[8101719]

Compact performance

Festo CPVASI4E3AZ 2018-11c2

Translation of the original instructions

Documentation on the product

For all available product documentation

èwww.festo.com/pk

Festo SE & Co.

Ruiter Straße 82

73734 Esslingen

Germany

Internet: http://www.festo.com

E-Mail: service_international@festo.com

Reproduction, distribution or sale of this document or communication of

its contents to others without express authorization is prohibited.

a patent, utility model or design patent is registered.

English 3............................................

Festo CPVASI4E3AZ 2018-11c English 3

English

1 User instructions

Valve terminal type CPV…-GE-ASI-4E3A-Z has been de

signed exclusively for controlling pneumatic actuators and

is intended for use in bus systems in accordance with the

AS-Interface specification 2.1. If additional commercially

available components such as sensors and actuators are

connected, the specified limits for pressures, tempera

tures, electrical data, torques, etc. must not be exceeded.

AS-Interface bus systems and valve terminals may only be

installed by personnel especially trained for this purpose.

Detailed information on the design and addressing of your

bus system can be found in the manual for your AS-Inter

face master.

Information on the pneumatic components of the valve

terminal can be found in the Pneumatics manual

P.BE-CPV-... .

Warning

SSwitch off the power supply before connecting or

disconnecting plugs (otherwise this could lead to

functional damage).

SConnect the earth connection on the left end plate

with low impedance (short cable with large cross-

sectional area) to the earth potential.

SCommission only a valve terminal which has been

fitted and wired completely.

Festo CPVASI4E3AZ 2018-11c English4

2 Connecting and display elements

123 4

1AS-Interface bus connection

2Earth connection

3Type plate

4LED status display for inputs

(green)

5Sensor connections (PNP)

6Inscription field for

AS-Interface address

7LED status display for

valves (yellow)

8Load voltage connec

tion for valves *)

9PWR LED (Power, green),

Fault LED (red)

*) Valves can be switched off during EMERGENCY STOP, no voltage

supply to valves via AS-Interface bus

PWR LED Fault LED Meaning

off

flashes

off

flashes

AS-Interface voltage applied, no fault

No AS-Interface voltage on the bus

AS-Interface address not set ( = 0)

Short circuit / overload at the inputs or

address selector switch actuated

Bus communication failed (watchdog expired)

Festo CPVASI4E3AZ 2018-11c English 5

3 Installation instructions

3.1 AS-Interface Addresses

Before connecting to the AS-Interface bus: assign an

unused address to each slave.

Address assignment

The assignment of the data bits to the inputs and outputs

of the slave shows the following figure:

IO code 7H

D0 D1 D2 D3

I/O I/O I/O I/O

I0 I1 I2 I3

O0 O1 O2 –

Inputs:

Outputs:

Data bits:

I/O = bi directional (B)

The address mapping depends on the configuration of the

master.

3.2 Assigning the AS-Interface address

Note

Addressing valve terminal type CPV...-GE-ASI-4E3A-... is

only permitted with addressers as per specification 2.1.

Other addressers do not permit clear access to the

slaves and in some cases overwrite the ID1 code.

Recommendation: Use the Festo addresser type

ASI-PRG-ADR with adapter cable type KASI-ADR.

Festo CPVASI4E3AZ 2018-11c English6

Factory setting: address #0, A slave

The addressing device scans the existing slaves in the

AS-Interface network.

SAssign the desired address to the slave.

It is not necessary to parametrize the AS-Interface slave.

Operation with AS-Interface masters < Spec. 2.1

Operation with AS-Interface masters < Spec. 2.1 is possible

but the slave must be programmed as A slave.

Recommendation: For operation with AS-Interface masters

< Spec. 2.1 use valve terminal type CPV...-GE-ASI-4E4A-...

instead of CPV...-GE-ASI-4E3A-... .

3.3 Address assignment of the valves

The following fittings are possible for the valve terminal:

Festo CPVASI4E3AZ 2018-11c English 7

Fitting valve locations

3 single-solenoid valves 1 double-solenoid valve,

1 single-solenoid valve

[J 1 2

7776

5676

Permitted DIP switch setting (see 3.7)

1: OFF

2: ON

3: OFF

4: ON

1: ON

2: OFF

3: OFF

4: ON

[J ... 2Addresses of the solenoid coils for AS-Interface address

3Addresses or LEDs of the solenoid coils 14

4Addresses or LEDs of the solenoid coils 12

5Valve plates with 2 valve solenoid coils, like 2 single-solenoid

valves, 5/2-way double-solenoid valves or 5/3-way valves

(e.g. code J, N, C, H, G, D, I, E) *)

6Only blanking or separator plate permitted (e.g. code L, S, T)

7Valve plates with 1 valve solenoid coil (e.g. code M, F, A) *)

*) or blanking or separator plate

Festo CPVASI4E3AZ 2018-11c English8

3.4 Connecting sensors (PNP inputs)

For connecting sensors use cable type KM8-M8-GSGD-...

and plugs with union nut, M8x1 thread.

Fasten the plugs with the aid of the union nut in order to

prevent unintentional loosening, e.g. due to shock. Seal

unused sensor connections with the protective caps type

ISK-M8. Only in this way can you comply with protection

class IP65.

Note

– The inputs have been based on the IEC1131-2

type 02.

– The inputs are protected against short circuits. If a

short circuit occurs, the slave will be switched off.

The AS-Interface master regards this slave as mis

sing. When the short circuit has been eliminated, the

slave responds immediately as being operative.

1Pin assignment:

1: US+

3: US–

4: Input Ix+3

Festo CPVASI4E3AZ 2018-11c English 9

3.5 Connecting the AS-interface bus and the load voltage

Note

The sensor supply derived from the ASInterface power

supply is protected against short circuits and overload.

It must not be connected to other voltages (for example

common ground).

The valves must be supplied separately with 24 V via

the load voltage connection.

The AS-interface has an integrated watchdog function

which resets the outputs if there is a bus communica

tion failure.

Warning

SUse only PELV (protective extra-low voltage) circuits

as per EN 60204-1 for the electric power supply.

SAlso observe the general requirements for PELV

power circuits as per EN 60204-1.

SOnly use power sources which guarantee reliable

electrical isolation of the operating voltage as per

EN 60204-1.

By the use of PELV circuits, protection against electric

shock (protection against direct and indirect contact) is

guaranteed in accordance with EN 60204-1.

Festo CPVASI4E3AZ 2018-11c English10

Please note with branch lines:

– the total maximum length of the AS-Interface bus:

100 m (without repeater/extender).

– the cable length of the load voltage connection

(depends on the current consumption of the valve

terminal and the fluctuations in the load voltage).

Pin assignment “Bus” (yellow cable):

1Pin 2: AS-Interface + (brown)

2Pin 1: AS-Interface - (light blue)

Pin assignment “24 V DC” (black cable):

3Pin 2: +24 V (brown)

4Pin 1: 0 V (blue)

For connecting the valve terminal use the Festo cable

sockets type ASI-SD-FK... . You will then comply with

protection class IP65. Proceed as follows:

1. Press the AS-Interface cable into the upper part of the

cable socket.

2. Make sure that the cable is free of tension.

3. Place the cable socket in position and screw it tight

(max. 0.3 Nm).

Seal open flat cable ends with the Festo cable cap type

ASI-KK-FK or the cable sleeve type ASI-KT-FK. In this way

you will avoid leakage currents and comply with protection

class IP65.

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