Festo VTOC Bedienungsanleitung

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Valve terminal type VTOC-PT-L en. . . . . . . . . . . . . . . . . . .

1 Intended use

The valve terminal VTOC with interlock (type VTOC-PT-L) is

used exclusively for control of pneumatic actuators within the

limits of the technical data and is intended for installation in

machines and automation systems.

The VTOC-PT-L is intended for use in an industrial environ-

ment.

The target group of this description consists of trained spe-

cialists in control and automation technology who have ex-

perience with the installation of valve terminals.

Warning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Danger of injury through uncontrolled movements of con-

nected equipment.

Make sure that electrical and pneumatic equipment are in

a de-energised and pressureless status.

Before working on the pneumatics:

• Switch off the compressed air supply

• Vent the valve terminal

Before working on the electrical components, e.g. before

installation or maintenance work:

• Switch off the power supply

In this way, you can avoid:

– uncontrolled movements of loose tubing

– accidental and uncontrolled movements of the

connected actuators

– undefined switching states of the electronics

– functional damage.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation and commissioning should only be carried out

by qualified personnel in accordance with this brief de-

scription. Commission a valve terminal only if it has been

completely mounted and wired! Employ the valve terminal

VTOC-PT-L only in conformity with protection class IP40.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IO-Link

and TORX

are registered trademarks of the re-

spective trademark owners in certain countries.

2 Display and connecting elements of the electronics

The following electrical connection and display components

can be found on the VTOC-PT-L:

1 2 3 4

1 Earthing screw (Torx, T20) for connection to functional

earth (



 chap. 4)

2 Interlock D-Sub connection

3 Status-LED I-Port communication

4 I-Port/IO-Link connection (plug, 5-pin, M12, A-coded)

2.1 LED display X1

The subsequent table shows the statuses and significance for

the LED X1:

LED display Status and significance

LED illuminated green:

– Normal operating status

LED flashing green:

– Data communication is not satisfactory

LED flashing alternatingly green/red:

– 24 V load voltage supply not satisfactory

(no voltage, undervoltage or short circuit)

LED flashing red:

– Device errors

LED illuminated red:

– No data communication and

– 24 V load voltage supply not satisfactory

(no voltage, undervoltage or short circuit)

LED dark:

– No operating voltage

3 Display and connecting elements of the valves

The subsequent figure shows the assignment of the LEDs to

the solenoid coils of the valves:

LED for solenoid coil 12

LED for solenoid coil 14

Manual override (MO) non-

detenting or detenting,

solenoid coil 14

Manual override (MO) non-

detenting or detenting,

solenoid coil 12

Valve

4 Earth terminal

Connect the VTOC-PT-L to functional earth via the earth

terminal (



1in the figure in section 2). In this way, you

will avoid malfunctions from electromagnetic interference.

5 I-port connection

The VTOC-PT-L can be connected as follows via the I-Port

connection:

– directly to the fieldbus by mounting a CTEU bus node on

the VTOC-PT-L

– decentralised to an external I-Port-compatible device

through a connecting cable.

– to a CPX terminal through a connecting cable and a CTEL

master module ( CTEL system description).

6 Voltage supply

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• Use for the electrical power supply only PELV circuits in

accordance with IEC/EN 60204-1 (Protective Extra-Low

Voltage, PELV).

• Observe also the general requirements for PELV circuits

in accordance with IEC/EN 60204-1.

• Use only voltage sources that ensure a reliable electric

separation of operating voltage in accordance with IEC/

EN 60204-1.

• Always connect both circuits for operating and load

voltage supply.

Through the use of PELV circuits, protection against electric

shock (protection against direct and indirect contact) is en-

sured in accordance with IEC/EN 60204-1.

6.1 Pin allocation of the I-Port/IO-Link cable

Connection

Pin Allocation Function

1 24 V

EL/SEN

(PS) Operating voltage

supply

2 24 V

VAL/OUT

(PL) Load voltage supply

3 0 V

EL/SEN

(PS) Operating voltage

supply

4 C/Q Data

communication

5 0 V

VAL/OUT

(PL) Load voltage supply

Housing, FE Functional earth

1) 5-pin M12x1 plug, A-coded

2) The connection to functional earth must also be ensured via the

earthing screw of the valve terminal (see chap. 2).1

7 IO-Link mode

The VTOC-PT-L can also be operated as an IO-Link device. You

can download the IODD configuration file required for this at



www.festo.com.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

If an IO-Link Master is used, the load voltage must

normally be made available through a T-plug.

8 Bridged interlock

For applications that do not require control of the solenoid

coils via interlock, the interlock D-sub connection can be

bridged with a special D-sub socket (type NEFF-S1G44LB). All

solenoid coils are then supplied with load voltage through

the I-Port.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

– This D-sub socket is intended only for bypassing the

interlock.

– In the D-sub socket of type NEFF-S1G44LB, the load

voltage sockets (24 V) are bridged with the sockets (V+).

– The D-sub socket of type NEFF-S1G44LB cannot be used

as a multi-pin plug socket.

9 Address assignment

With the VTOC-IL, you can actuate up to 48 solenoid coils.

The subsequent figure shows an example of the address

allocation of the VTOC-PT-L valve terminal with 12 valve posi-

tions (VP):

–

assigned addresses of the solenoid coils 12

–

assigned addresses of the solenoid coils 14

– The address assignment is independent of whether blank-

ing plates

or valves

are used.

– Address assignment is in ascending order without gaps,

from left to right.

– A valve position always occupies two addresses. The fol-

lowing assignment applies in this case:

– Low-order valve position (address) for solenoid coil 14

– High-order valve position (address) for solenoid coil 12.

1153 5 79 11 13 17 19 21 23

0142 4 6 810 12 16 18 20 22

VP 12

VP 1

1 Assigned addresses of the solenoid

coils 12

3 Blanking plate

2 Assigned addresses of the solenoid

coils 14

4 Valves

10 Assignment of the outputs and inputs

The subsequent table shows assignment of the outputs and

inputs.

Byte Bit

01234567

Outputs:

Sp 1 Sp 2 Sp 3 Sp 4 Sp 5 Sp 6 Sp 7 Sp 8

Sp 9 Sp 10 Sp 11 Sp 12 Sp 13 Sp 14 Sp 15 Sp 16

Sp 17 Sp 18 Sp 19 Sp 20 Sp 21 Sp 22 Sp 23 Sp 24

Sp 25 Sp 26 Sp 27 Sp 28 Sp 29 Sp 30 Sp 31 Sp 32

Sp 33 Sp 34 Sp 35 SP 36 SP 37 SP 38 SP 39 Sp 40

Sp 41 Sp 42 Sp 43 SP 44 SP 45 SP 46 SP 47 Sp 48

Inputs (V+):

Sp 1 Sp 2 Sp 3 Sp 4 Sp 5 Sp 6 Sp 7 Sp 8

Sp 9 Sp 10 Sp 11 Sp 12 Sp 13 Sp 14 Sp 15 Sp 16

Sp 17

… 32

Sp 33

… 48

Not used

Sp = solenoid coil

11 Malfunction and error handling

Malfunctions and statuses from connected I-Port devices are

transmitted in the form of event codes through the bus node

to the Fieldbus Master and output there and stored, if neces-

sary. In the diagnostics case, a 2-byte-long event code is

transferred to the I-Port or IO-Link master.

Event code Malfunction and error handling Type

MSB LSB

50h 00h Device errors. Switch device off and back

on. If the error is still present, the device is

defective and needs to be replaced.

Error

51h 12h Error in the load voltage supply

• Check the load voltage supply

Warning

12 Technical data

Type VTOC-PT-L

Mounting position: Any

Ambient temperature

Storage temperature

– 5 … + 50 °C

–10 … + 60 °C

Operating medium Compressed air according to

ISO 8573-1-2010 [7:4:4]

Operation with lubricated

medium possible

(Required in further opera-

tion)

Relative air humidity 93 % at 40 °C, non-condens-

ing

Number of valve positions 2 … 24

Valve 2x3/2 normally closed, reset

via mechanical spring

Operating pressure: 0 … 0.8 MPa

(0 … 8 bar; 0 … 116 psi)

Nominal flow rate 10 l/min

Power supply

– Load voltage (valves)

– Load voltage interlock (valves)

– Operating voltage (electronics)

Reverse polarity protected

DC 24 V (± 10 %)

DC 24 V (± 25 %)

Power consumption (load)

– per solenoid coil at nominal

voltage 1.0 W 30 ms, then 0.4 W

Max. current consumption through

I-Port:

– Valves / electronics 2.5 A / 0.5 A

Intrinsic current consumption

through I-Port:

– Valves / electronics 40 mA / 30 mA

Current consumption per solenoid

coil

– pull current (duration 30 ms)

– holding current

48 mA

16 mA

Mains buffering time

(only operating voltage)

10 ms

Test pulse bypass time 1 ms (valve supply Vš

I-Port/IO-Link connecting cable

– Wire cross section

(length 0.1 … 5 m)

– Wire cross section

(length 5 … 20 m)

– Max. length

Min. 0.25 mm²

Min. 1 mm²

20 m (unshielded)

IO-Link properties

– Operating Mode

– Revision

– Data Out

– Data In

COM 3 (230.4 kBit)

COM 2 (38.4 kBit)

1.0

6 bytes

4 bytes

Protection class through housing in

accordance with IEC/EN 60529, bus

node mounted completely, plug

connector inserted or equipped with

protective cap

IP40

with corresponding connect-

ing cable from the Festo

range of accessories

Protection against electric shock

(protection against direct and

indirect contact in accordance with

IEC/EN 60204-1)

through the use of PELV cir-

cuits

Electromagnetic compatibility

– Resistance to interference and

emitted interference



Declaration of conformity

(www.festo.com)

Vibration and resistance to shocks (in

accordance with EN 60068)

– Vibration (part 2 - 6)

– Shock (part 2 - 27)

– Continuous shock (part 2 – 29)

SG2

SL2

SL1

Materials AL, PA, POM, NBR, PU, PC

Tightening torque:

– Bus node on sub-base

– Valve on manifold rail

– Earthing screw

1.0 Nm (± 10 %)

0.2 Nm (± 10 %)

1.0 Nm (± 20 %)

Mounting option for wall mounting:

– Standard hole:

– if desired, thread:

(in the reverse side of VTOC-PT-L)

– dia. 3.3 mm

– alternatively: M3, M4,

8-32 UNC or 10-32 UNC-2B

1) The operating voltage supply is through the CTEU bus node or

IO-Link Master. The load voltage supply is through the CTEU bus

node or, for IO-Link, through a separate feed. Separate fuses are

required for operating and load voltage.

2) The valve terminal VTOC... is intended for use in an industrial

environment. When used outside an industrial environment, e.g.

in commercial and mixed residential areas, measures for radio

interference suppression may be necessary.

3) Explanation of the degrees of severity subsequent table

Explanation on vibration and shock – severity level

Severity level 1 Vibration:

0.15 mm path at 10 … 58 Hz;

2 g acceleration at 58 ... 150 Hz

Shock:

±15 g at 11 ms duration;

5 shocks per direction

Continuous shock:

±15 g at 6 ms duration;

1000 shocks per direction

Severity level 2 Vibration:

0.35 mm path at 10 … 60 Hz;

5 g acceleration at 60 ... 150 Hz

Shock:

±30 g at 11 ms duration;

5 shocks per direction

Continuous shock:

n. a.

VTOC-PT-L

Operating description Festo SE & Co. KG

Ruiter Straße 82

D-73734 Esslingen

Germany

+49 711 347-0

www.festo.com

Translation of the

original instructions

8191279

2023-03a

[8191281]

13 Interlock

The first 16 solenoid coils can be supplied individually

through the interlock D-sub connection. This permits the

external release of these valves.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mount or remove the interlock D-sub connection only in a

free-of-tension status.

The interlock can be switched on as follows:

– single-pin through external contacts

– double-pin through safe output terminals. In this case,

check the compatibility of the safe output terminals with

the VTOC-PT-L.

All valves of the VTOC-PT-L are supplied with load voltage

through the interlock D-sub connection, even if actuated

through the bus node. The solenoid coils 17 … 32 and

33 … 48 cannot be supplied individually through the interlock

D-sub connection (



table in the section 13.3 and 13.4).

13.1 Sub-D socket

Festo recommends one of the following cables (with sub-D

socket) from Festo for connecting the interlock.

Type Length of the cable

NEBV-S1G44-K-2.5-N-LE44-S6

2.5 m

NEBV-S1G44-K-5-N-LE44-S6

5 m

NEBV-S1G44-K-10-N-LE44-S6

10 m

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Observe when using sub-D plugs of other manufacturers:

– The sub-D plug must not exceed a max. width of

16.5 mm

– Connect the cable screening to the plug housing

13.2 Pin allocation of the interlock (sub-D 44 pin)

The subsequent figure shows the position of the pins in the

interlock sub-D connection on the VTOC-PT-L.

Pin 31 Pin 44

Pin 1 Pin 15

Pin 16 Pin 30

For controlling the valves, each solenoid coil (called coil or

SP in the tables) is assigned to two specific pins of the inter-

lock sub-D connection:

Pin Coil Signal

1 … 3 — 24 V

VAL/OUT

4 … 6 1 … 48 0 V

VAL/OUT

–

13 … 36 … V

–

39 17 … 32 V

17…32

40 33 … 48 V

33…48

41 … 43 1 … 48 0 V

VAL /OUT

44 — Not connected

Housing FE FE

Note:

Pins 7 … 38 provide individual control of the solenoid coils 1 … 16 of

the interlock.

Do not use V

1…16

– and V

– with single-pin interlock interface

13.3 Single-pin interlock interface

Observe the following with single-pin interlock interface:

– The interlock interface is made through external plus

switching contacts or single-pin switching safety terminals.

– The 24 V supply of all solenoid coils must be on the same

potential.

– 16 solenoid coils can be actuated through the interlock

+).

– The solenoid coils that do not require an interlock interface

can be supplied directly with 24 V from pin 1 … 3.

– Creation of the respective input voltage is reported as an

image table through the fieldbus.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The interlock contacts V

– …

–

must not be used with

the single-pin interlock interface.

13.4 Double-pin interlock interface

Observe the following with the double-pin interlock interface:

– The interlock interface is made through external plus-

minus switching safety terminals.

Note. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The internal control of valves 1 … 16 over the fieldbus must

not be used.

An inadvertent switch-on of the internal drivers of the

VTOC-PT-L over the fieldbus can be recognised by most

safe terminals. Use only terminals that recognise an inad-

vertent actuation through the fieldbus.

– The solenoid coils of the interlock valves are controlled

through the corresponding pin in the sub-D plug

(pins 7 … 38).

– The solenoid coils that do not require an interlock interface

can be supplied directly with 24 V (e.g. from pin 1 … 3).

– A difference in potential between V

– and 0 V

VAL/OUT

permissible only below 5 V.

– The test impulses (

1 ms) used for error detection by safe

output terminals are suppressed by a special filter switch.

– For the VTOC-PT-L, the current consumption per valve is

below 20 mA. Some safe terminals recognise wire break

with a current consumption below 20 mA. In these cases,

the wire break detection must be switched off.

Sample circuit diagram of a single-pin interlock interface: Sample circuit diagram of a double-pin interlock interface:

0 V

VAL

–

24 V

VAL

–

24 V

VAL

0 V

VAL

16–

–

9aJ

1 6Power supply V+; solenoid coil 33 … 48, (no interlock) I-Port connection pin 5, 0 V

VAL/OUT

(PL), load voltage supply Direct control V+; solenoid coil 33 … 48, (no interlock) I-Port connection pin 2, 24 V1 6

VAL/OUT

(PL), load voltage supply

2 7 2 7Power supply V+; solenoid coil 17 … 32, (no interlock) Driver, controlled via fieldbus/I-Port Direct control V+; solenoid coil 17 … 32, (no interlock) I-Port connection pin 5, 0 V

VAL/OUT

(PL), load voltage supply