Pfeiffer TC400 User manual

Betriebsanleitung • Operating Instructions

PT 0203 BE/E (0910)

TC 400

PM C01 800

D-35614 Asslar

RS485

remote

accessory

PV.can

DC in

Electronic Drive Unit

TC 400

Table of contents

1 About this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Validity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 Proper use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.3 Improper use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Product identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 Range of application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.3 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.4 General connection description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Connections diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5 Connection "remote" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.1 Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.2 Operation via "remote" connection . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6 Connection "RS485". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.1 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.2 Connecting Pfeiffer Vacuum display and control units or PC . . . . . 11

6.3 Cross-linking via the connection RS485 . . . . . . . . . . . . . . . . . . . . . 12

7 The Pfeiffer Vacuum parameter set. . . . . . . . . . . . . . . . . . . . . . . 12

7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

7.2 Parameter overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7.3 Configuring the connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.4 Operation with the Pfeiffer Vacuum parameter set . . . . . . . . . . . . . 19

8 Pfeiffer Vacuum Protocol for "RS485" . . . . . . . . . . . . . . . . . . . . 25

8.1 Telegram frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.2 Telegrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.3 Applied data types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

9 Malfunctions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

9.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

9.2 Operating mode display via LED. . . . . . . . . . . . . . . . . . . . . . . . . . . 27

9.3 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

10 Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Declaration of conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

About this manual

1 About this manual

1.1 Validity

This operating manual is for customers of Pfeiffer Vacuum. It describes the func-

tioning of the designated product and provides the most important information for

safe use of the unit. The description follows applicable EU guidelines. All informa-

tion provided in this operating manual refer to the current state of the product's de-

velopment. The documentation remains valid as long as the customer does not

make any changes to the product.

Up-to-date operating instructions can also be downloaded from www.pfeiffer-vac-

uum.net.

1.2 Conventions

Safety instructions The safety instructions in Pfeiffer Vacuum operating manuals are the result of risk

evaluations and hazard analyses and are oriented on international certification

standards as specified by UL, CSA, ANSI Z-535, SEMI S1, ISO 3864 and DIN 4844.

In this document, the following hazard levels and information are considered:

Pictograph defini-

tions

Instructions in the

text

Work instruction: here you have to do something.

Abbreviations used DCU:Display and operating unit

HPU:Handheld programming unit

TC:Electronic drive unit for turbopump

TPS:Mains pack

DI / DO:Digital input / digital output

AI / AO:Analog input / analog output

f:Rotation speed (derivated from frequency in Hz)

[P:000]:Parameter of the electronic drive unit with number

CAUTION

Possible danger

Injuries or property damages can occur.

NOTE

Command or note

Command to perform an action or information about properties, the disregarding of

which may result in damage to the product.

Warning of a displayed source of danger in connection

with operation of the unit or equipment.

Command to perform an action or task associated with a

source of danger, the disregarding of which may result in

serious accidents.

Safety

2Safety

2.1 Safety precautions

•Power supply: The turbopump power supply must apply to the requirements of

double insulation between mains input voltage and operating voltage according

to the regulations of IEC 61010 and IEC 60950. Therefore Pfeiffer Vacuum recom-

mends to use exclusively original-power packs and -accessories. Only in this

case Pfeiffer Vacuum is able to guarantee the compliance of the European and

North American guidelines.

• Observe all safety and accident prevention regulations.

• A safe connection to the protective earthing conductor (PE) is recommended

(protection class III).

• Regularly check the proper observance off all safety measures.

• Before carrying out any work disconnect the unit and all associated installations

safely from the mains.

• Do not loosen any plug connection during operations.

• The unit has been accredited with protection class IP 54. When installing into

ambient conditions, which afford other protection classes, the necessary mea-

sures must be taken.

• Keep leads and cables well away from hot surfaces (> 70 °C).

• Only seperate the pump and the electronic drive unit from each other after dis-

connecting the supply voltage and the complete standstill of the pump.

2.2 Proper use

NOTE

Duty to inform

Each person involved in the installation or operation of the unit must read and observe

the safety-related parts of these operating instuctions.

The operator is obligated to make operating personnel aware of dangers originating

from the unit or the entire system.

WARNING

Ensure safe electrical installation

Safe operation after installation is the responsibility of the operator.

Do not independently modify or change the pump and electrical equipment.

Make sure that the system is integrated in an emergency off safety circuit.

Consult Pfeiffer Vacuum for special requirements.

WARNING

Danger of electric shock

In case of defect, the parts connected to the power supply are under voltage.

Always keep the mains connection freely accessible so you can disconnect it at any

time.

NOTE

CE conformity

The manufacturer's declaration becomes invalid if the operator modifies the original

product or installs additional components!

Following installation into a plant and before commissioning, the operator must

check the entire system for compliance with the valid EU directives and reassess it

accordingly.

Product description

• The electronic drive unit TC 400 operates designated Pfeiffer Vacuum turbo-

pumps and their accessories.

2.3 Improper use

Improper use will cause all claims for liability and guarantees to be forfeited. Im-

proper use is deemed to be all use for purposes deviating from those mentioned

above, especially:

• The use of accessories, which are not named in this manual.

• The operation of the devices in potentially radioactive areas.

3 Product description

3.1 Product identification

Product features The electronic drive unit TC 400 is an integrated component of the turbopump. It's

purpose is to drive, monitor and control the entire pump.

To correctly identify the product when communicating with Pfeiffer Vacuum, al-

ways have the information from the rating plate available.

3.2 Range of application

Pfeiffer Vacuum electronic drive units TC 400 must be installed and operated in the

following ambient conditions.

Warranty void

if seal is broken

NOTE

Warranty seal

The product is sealed at the factory. Damaging or removal of the seal leads to the loss

of liability and warranty entitlements.

Do not open the product within its warranty period!

For process-related shorter maintenance intervals please contact the Pfeiffer Vacu-

um Service.

Characteristics TC 400

Connection voltage TC 24 V DC ± 5 % 48 V DC ± 5 %

Connection panel Standard (RS485) Standard (RS485)

Turbopump HiPace 300 300, 400, 700

Installation location weather protected (indoors)

Protection category IP 54

Protection class III

Temperature +5 °C to +40 °C (up to +35 °C with air cooling)

Relative humidity max. 80 %, at T ≤31 °C, up to max. 50% at T ≤40 °C

Atmospheric pressure: 77 kPa - 106 kPa

Installation altitude 2000 m max.

Degree of pollution 2

Overvoltage category II

Product description

3.3 Function

Fig. 1: Standard panel of the TC 400

3.4 General connection description

8a Connection "DC in"

8b Connection "accessory A+B"

8c Connection "remote"

8d Service connection "PV.can"

8e Connection "RS485"

8e 8a

DC in1

Casing plug with bayonet locking for the voltage supply between Pfeiffer Vac-

uum mains packs and the electronic drive unit TC.

1. "DC in" and "accessory" are already described in the operating instructions of the

turbopump.

accessory

M12 socket with screw coupling for the connection of Pfeiffer Vacuum acces-

sories. The use of a Y-connector enables double assignment of one connec-

tion.

PV.can

M12 casing socket with screw coupling and LED. The connection "PV.can"

serves to service purposes exclusively.

remote

High Density D-sub 26 pole female socket for the connection of a remote con-

trol.

RS485

M12 socket with screw coupling for the connection of a Pfeiffer Vacuum con-

trol unit or a PC. The use of a Y-connector enables the series connection in a

bus system.

Casing socket on the rear side of the electronic drive unit for the connection

to the turbopump.

Connections diagram

4 Connections diagram

Fig. 2: Connections diagram and assignment of the TC 400

10 18

1926

accessory A

accessory B

remote

DC inPV.canRS485

TC 400

Potential free contacts

n.c.

24 VDC

Accessory B1

Accessory B2

+ UB(+24 / +48 VDC ± 5 %)

GND

n.c.

24 VDC

Accessory A1

Accessory A2

+ 24 VDC* out

DI Motor pump

DI Pumping station

DI Standby

DI1

DI2

DO1

DO2

DI3

AI+ 0-10 VDC

AI- GND

DI Error acknowledgement

DI Remote priority

Relay 1

Relay 2

Relay 3

AO1 / 0-10 V

DO Remote priority active

RS485 D-

RS485 D+

GND*

24 VDC* out

RS 485 D +

RS 485 D -

n.c.

GND*

All inputs and outputs

in this areaare

galvanically seperated

from +UB

Connection "remote"

5 Connection "remote"

Remote control options are provided via the 26-pole D-Sub connector with the des-

ignation ”remote“ on the electronic drive unit.

Remove the remote plug from the TC 400 and connect a remote control unit. Pin

assignment of the connector according to table.

Shielded connectors and cables must be used.

5.1 Pin assignment

5.2 Operation via "remote" connection

+24 VDC* Output /

Pin 1

Inputs 2 - 6 and the connections to Pins 10, 13, 14 are activated by connecting them

with +24 VDC to Pin 1 (active high). They can also be activated via an external PLC.

The functions are deactivated by "PLC high level" and by "PLC low level".

• PLC high level: +13 V to +33 V

• PLC low level: -33 V to +7 V

• Ri: 7 kΩ

Inputs The digital inputs at connection "remote" are used to connect various functions of

the electronic drive unit. Functions are assigned to the inputs DI1 - DI2 ex factory.

These can be configured via interface RS485 and the Pfeiffer Vacuum parameter

set.

1018

1926

Pin Function Designation factory settings

1 +24 VDC output (V+) Reference voltage for all digital in- and outputs

2 DI1 Enable venting; open: no; V+: yes

3 DI Motor pump Drive motor; open: off; V+: on

4 DI Pumping station Open: off; V+: on and error acknowledgement

5 DI Standby Standby rotation speed; open: off; V+: on

6 DI2 Heating; open: off; V+: on

7 AI+ Rotation speed setting

mode

Set value in rotation speed setting mode;

2-10 VDC = 20-100% of the nominal rotation speed

8 DO1 Rotation speed switch point attained; GND:no;

V+: yes (Imax =50mA/24V)

9 DO2 GND: error; V+: no error (Imax = 50 mA/24 V)

10 DI3 Sealing gas; open: off; V+: on

11 AI- Rotation speed setting

mode GND

Set value in rotation speed setting mode; GND

12 AO1 Actual rotation speed; 0-10 VDC is equivalent to 0-100%;

RL> 10 kΩ

13 DI Error acknowledgement Error acknowledgement: V+ pulse (min 500 ms)

14 DI Remote priority Control via interface "remote"; open: off

V+: set and priority over other digital inputs

15 Relais 1 Connection to Pin 16 if relay 1 is inactive

16 Relais 1 Rotation speed switchpoint attained;

relay contact 1 (Umax = 50 VDC; Imax = 1 A)

17 Relais 1 Connection to Pin 16 if relay 1 is active

18 Relais 2 Connection to Pin 19 if relay 2 is inactive

19 Relais 2 No error; relay contact 2 (Umax = 50 VDC; Imax = 1 A)

20 Relais 2 Connection to Pin 19 if relay 2 is active

21 Relais 3 Connection to Pin 22 if relay 3 is inactive

22 Relais 3 Warning; relay contact 3 (Umax = 50 VDC; Imax = 1 A)

23 DO Remote priority GND: off; V+: remote priority active

24 RS485 D+ according to specifications and Pfeiffer Vacuum protocol

25 RS485 D- according to specifications and Pfeiffer Vacuum protocol

26 Ground (GND) Reference ground for all digital inputs and all outputs

Connection "remote"

DI1 (Enable venting) / Pin 2

V+ : Venting is enabled (venting according to venting mode)

open: Venting locked (no venting is performed)

DI Motor pump / Pin 3

After Pin 4 (pumping station) is activated and the electronic drive unit successfully

completes the self-test (duration approx. 8 seconds), the turbopump is placed into

operation. During operation, the turbopump can be switched off and on again,

while the pumping station remains switched on. The turbopump is not vented

thereby.

V+ : Turbopump motor on

open: Turbopump motor off

DI Pumping station / Pin 4

Connected pumping station components (e.g. backing pump, venting valve, air

cooling unit) are triggered and, with Pin 3 (motor) simultaneously activated, the

turbopump is placed in operation. Any ongoing error messages are reset when

their cause has been eliminated.

V+ : Malfunction acknowledgement and pumping station on

open: Pumping station off

DI Standby / Pin 5

In standby mode, the turbopump operates at a specified rotor speed < nominal ro-

tation speed. Factory setting and recommended operation are 66.7 % of the nomi-

nal rotation speed.

V+ : Standby activated

open: Standby off, operation at nominal rotation speed

DI2 (Heating) / Pin 6

V+ : Heating on

open: Heating off

DI3 (Sealing gas) / Pin 10

V+ : Sealing gas valve open

open: Sealing gas valve closed

DI Error acknowledgement / Pin 13

V+ : Reset ongoing error messages when cause has been eliminated with a pulse

of min. 500 ms duration.

open: Inactive

DI Remote priority / Pin 14

V+ : The connection "remote" has operation priority over all other digital inputs.

open: Remote priority inactive

AI Rotation speed setting mode / Pin 7 and Pin 11

The analog input at the TC 400 defines the set rotation speed of the turbopump. An

input signal of 2 - 10 V between AI+ (Pin 7) and AI- (Pin 11) corresponds to a rotation

speed within the range of 20 - 100% of the nominal rotation speed. If the input is

open or signals fall below 2 V, the pump is accelerated up to nominal rotation

speed.

f(%)

100

210

U(V)

Connection "remote"

Outputs The digital outputs at the connection "remote" can be loaded with a maximum of

24 V / 50 mA per output. Outputs DO1 - DO2 are assigned functions in the factory.

These can be configured via interface RS485 and the Pfeiffer Vacuum parameter

set.

DO1 (Rotation speed switch point attained) / Pin 8

Active high after the rotation speed switch point is attained. Rotation speed switch

point 1 is factory-set to 80% of the nominal rotation speed. It can, for example, be

used for a "pump operational" message.

DO2 (No errors) / Pin 9

When the supply voltage for the TC has been established, digital output DO2 per-

manently outputs 24 VDC which means "no errors". Active low in case of error (col-

lective error message).

DO Remote priority active / Pin 23

Active high: The connection "remote" takes priority over any other control panels

connected to the TC (e.g. RS485). With active low, the connection "remote" is ig-

nored.

AO1 Analog output 0-10 V DC / Pin 12

A rotation-speed-proportional voltage (0-10 VDC equals 0 - 100 % x fNominal) can be

picked up via the analog output (load R ≥10 kΩ). Additional functions (optionally

current/power) can be assigned to the analog output via DCU, HPU or PC.

Relay contacts Relay 1 / Pin 15, Pin 16 and Pin 17

The contact between Pin 16 and Pin 15 is closed when the rotation speed switch

point is underrun; relay 1 is inactive. The contact between Pin 16 and Pin 17 is

closed when the rotation speed switch point is attained; relay 1 is active.

Relay 2 / Pin 18, Pin 19 and Pin 20

The contact between Pin 19 and Pin 18 is closed when operation is malfunction

free; relay 2 is inactive. The contact between Pin 19 and Pin 20 is closed when a

malfunction is present; relay 2 is active.

Relay 3 / Pin 21 and Pin 22

The contact between Pin 21 and Pin 22 is closed when no warning messages are

active; relay 3 is inactive. The contact between Pin 21 and Pin 22 is open when a

warning message is present; relay 3 is active.

RS485 One Pfeiffer Vacuum display and control panel (DCU or HPU) or an external PC can

be connected respectively to the electronic drive unit via Pin 24 and Pin 25 of the

connection "remote" on the electronic drive unit.

Establish the connections according to the specification of the interface RS485.

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