Vitrek 964i Manuale di installazione e funzionamento

ViTREK

964i

OPERATING & MAINTENANCE MANUAL

964i Series Operating Manual - December 12, 2022 
Page 2of 28 
 
About this Manual .........................................................................................................................................................4 
Warranty Information ...................................................................................................................................................5 
SECTION 1 –PRODUCT INFORMATION..........................................................................................................................6 
Features.........................................................................................................................................................................6 
Available 964i Options...................................................................................................................................................6 
Interfacing Options ....................................................................................................................................................6 
Rack Mounting Option...............................................................................................................................................6 
Cable Options ............................................................................................................................................................6 
SECTION 2 –TERMINALS, RELAYS and BANKS ...............................................................................................................7 
Hexadecimal Code Table ...............................................................................................................................................7 
SECTION 3 –RELAY CARDS.............................................................................................................................................8 
HV series................................................................................................................................................................8 
LV series.................................................................................................................................................................9 
HC-4 .....................................................................................................................................................................10 
SECTION 4 –SAFETY.....................................................................................................................................................13 
Power and Grounding..................................................................................................................................................13 
Terminals and Wiring...................................................................................................................................................13 
SECTION 5 –INSTALLATION..........................................................................................................................................14 
General Specifications .................................................................................................................................................14 
Initial Inspection ..........................................................................................................................................................14 
Mounting Position and Orientation.............................................................................................................................14 
Installing in a 19” Rack Enclosure ................................................................................................................................14 
Cooling.........................................................................................................................................................................15 
Connecting to a ViTREK 95x or V series Tester ............................................................................................................15 
SECTION 6 –FRONT PANEL OPERATION......................................................................................................................16 
SECTION 7 –COMPENSATING FOR LEAKAGE CURRENTS AND CONTACT RESISTANCES .............................................18 
Contact Resistance ......................................................................................................................................................18 
Leakage Currents .........................................................................................................................................................19 
SECTION 8 –CONNECTING AND CONFIGURING INTERFACES .....................................................................................20 
Controlling the 964i using the RS232 Interface ...........................................................................................................20 
Specifications...........................................................................................................................................................20 
Configuration...........................................................................................................................................................20 
Connection...............................................................................................................................................................21 
Controlling the 964i by the GPIB Interface..................................................................................................................21 
Configuration...........................................................................................................................................................21 

964i Series Operating Manual - December 12, 2022 
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Connection...............................................................................................................................................................21 
SECTION 9 –PERIODIC MAINTENANCE .......................................................................................................................22 
Relay Life......................................................................................................................................................................22 
Cleaning and Inspection ..............................................................................................................................................22 
Calibration ...................................................................................................................................................................22 
SECTION 10 –PROGRAMMING VIA AN INTERFACE.....................................................................................................23 
General Command Syntax ...........................................................................................................................................23 
Field Syntax..............................................................................................................................................................24 
Field Separator.........................................................................................................................................................24 
Command Separator................................................................................................................................................24 
Command Terminator .............................................................................................................................................24 
General Response Syntax ............................................................................................................................................24 
Delays and Timeouts ...................................................................................................................................................25 
GPIB Bus Commands ...................................................................................................................................................25 
Commands...................................................................................................................................................................26 
Commanding Relays Which are not Installed..............................................................................................................27 
Timing of Relay Changes..............................................................................................................................................27 
Migrating from the ViTREK 948i ..................................................................................................................................27 
 
 

964i Series Operating Manual - December 12, 2022

Page 4of 28

ABOUT THIS MANUAL

This manual has been created with “clickable” links. Where a reference is made to another section of the manual,

the user may click on the section name reference and the document will automatically go to that section.

The table of contents is “clickable”. The user may click on any of the entries to go to that section.

The table of contents is also made available as Bookmarks for Adobe Reader or Acrobat, allowing the user to

permanently display the table of contents alongside the document and navigate by clicking on each section

needed.

964i Series Operating Manual - December 12, 2022

Page 5of 28

WARRANTY INFORMATION

This ViTREK instrument is warranted against defects in material and workmanship for a period of 1 year after the

date of purchase (extended up to a total of 3 years with registration and annual calibrations at ViTREK). ViTREK

agrees to repair or replace any assembly or component (except batteries) found to be defective, under normal use,

during the warranty period. ViTREKs obligation under this warranty is limited solely to repairing any such

instrument, which in ViTREKs sole opinion proves to be defective within the scope of the warranty, when returned

to the factory or to an authorized service center. Transportation to the factory or service center is to be prepaid by

the purchaser. Shipment should not be made without prior authorization by ViTREK.

This warranty does not apply to any products repaired or altered by persons not authorized by ViTREK or not in

accordance with instructions provided by ViTREK. If the instrument is defective as a result of misuse, improper

repair, or abnormal conditions or operations, repairs will be billed at cost.

ViTREK assumes no responsibility for its products being used in a hazardous or dangerous manner, either alone or

in conjunction with other equipment. Special disclaimers apply to this instrument. ViTREK assumes no liability for

secondary charges or consequential damages, and, in any event, ViTREKs liability for breach of warranty under any

contract or otherwise, shall not exceed the original purchase price of the specific instrument shipped and against

which a claim is made.

Any recommendations made by ViTREK or its representatives, for uses of its products are based on tests believed

to be reliable, but ViTREK makes no warranties of the results to be obtained. This warranty is in lieu of all other

warranties, expressed or implied and no representative or person is authorized to represent or assume for ViTREK

any liability in connection with the sale of our products other than set forth herein.

Document number MO-964-GOM revision B, 1/16/2014.

system, or translated into any language in any form without prior written consent from ViTREK. This document is

copyrighted and contains proprietary information, which is subject to change without notice. The product displays

and instructional text may be used or copied only in accordance with the terms of the license agreement.

In the interest of continued product development, ViTREK reserves the right to make changes in this document

and the product it describes at any time, without notice or obligation.

ViTREK

12169 Kirkham Road,

Poway, CA 92064 USA

Telephone : 858-689-2755

Fax : 858-689-2760

Web : www.vitrek.com

Email : [email protected]

964i Series Operating Manual - December 12, 2022

Page 6of 28

SECTION 1 –PRODUCT INFORMATION

FEATURES

•Complete flexibility. The user can order custom combinations of relay cards, terminals and wiring. Up to

64 relays and 65 terminals can be installed in a single chassis.

•Front Panel Connections for easy connection to a ViTREK 95x series, V7X series, 944i or V series High

Voltage Safety analyzer. Optional rear panel terminals available also.

•Easy Debugging when Programming. The presently commanded relay states are available on the front

panel display, making debugging a safety test procedure easy. The user is also able to manually control

the relays.

•Self-Testing. Continuously checks that each relay is being driven according to the last received command.

A hardware failure in the 964i is detected and an error is raised. Continuously checks that sufficient DC

power is applied to the relays to ensure correct operation.

•Reliable high speed operation. Relay states can be changed in as little as 5ms; the 964i automatically

provides all of the required timing.

•Warns when maintenance is required. Accumulates counts of relay operations for each relay and warns

the user if any relay is approaching (or beyond) its life expectancy.

•High voltage and current capability. Relay Cards up to 15KV are available. Relay Cards up to 40Arms are

available. Both high voltage and high current relay cards can be in the same 964i.

•Can be controlled directly by a ViTREK 944i, 95x, or V7X series Safety Tester. The 95x and V7X series can

control up to 4 964i’s.

•QuickTest Pro software available for the PC for total system control; 95x, V7X, or V series Safety Tester

and up to 16 964i’s.

•Choice of interfaces. The standard 964i comes with RS232 and VICL interfaces, the user can add an

optional GPIB interface.

AVAILABLE 964i OPTIONS

INTERFACING OPTIONS

Option GP-964 adds a GPIB interface.

RACK MOUNTING OPTION

Option RM-1 allows for standard 19” rack mounting.

CABLE OPTIONS

Option VICL-2 provides a 6ft VICL cable for use between a 964i and either a 95x, V7X, or another 964i.

Option RS-2 provides a 6ft RS232 cable for use with either a 95x or a computer.

Option GP-1 and GP-2 provides a 1m or 2m GPIB cable.

964i Series Operating Manual - December 12, 2022

Page 7of 28

SECTION 2 –TERMINALS, RELAYS AND BANKS

Terminal Numbers

The rear panel terminals are numbered from 1 through 60, the user should consult the relay and terminal

configuration document supplied with the specific 964i for the use of each terminal.

Relay Numbers and Relay Bank Numbers

The relays within the 964i are numbered from 1 through 64, the user should consult the relay and terminal

configuration document supplied with the specific 964i to determine the use of each relay.

Relays are internally grouped into eight banks (or cards) of eight relays each. These banks are numbered 0 through

Relay bank #0 contains relay numbers 1 through 8.

Relay bank #1 contains relay numbers 9 through 16.

Relay bank #2 contains relay numbers 17 through 24.

Relay bank #3 contains relay numbers 25 through 32.

Relay bank #4 contains relay numbers 33 through 40.

Relay bank #5 contains relay numbers 41 through 48.

Relay bank #6 contains relay numbers 49 through 56.

Relay bank #7 contains relay numbers 57 through 64.

HEXADECIMAL CODE TABLE

Table 1 - Hexadecimal Relay Code Table is a useful reference to the hexadecimal codes used throughout this

manual. The relay numbers shown are for bank #0; see above for the relay numbers in other banks.

When the hexadecimal code is shown for more than four relays, the leftmost code is for the highest numbered

relays and the rightmost code is for the lowest numbered relays in all cases.

Table 1 - Hexadecimal Relay Code Table

Code

Relay 8

Relay 7

Relay 6

Relay 5

Relay 4

Relay 3

Relay 2

Relay 1

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

Open

Closed

964i Series Operating Manual - December 12, 2022

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SECTION 3 –RELAY CARDS

Each 964i is custom manufactured to user requirements. Consult the relay and terminal configuration document

supplied with the specific 964i for details regarding relay content, terminal configuration and internal wiring.

HV SERIES

The HV series cards are 8:1, 4:1, 2:1, dual 4:1 and dual 2:1 multiplexing cards handling low currents at voltages up

to 7, 10 or 15KVdc or 5, 7 or 10KVrms. Figure 1 shows the configurations available (other configurations are

available, contact ViTREK with your specific requirements).

Figure 1

•As standard, cards are populated from the lowermost numbered relay positions upwards. Dual multiplex

cards use the lowermost four positions for one multiplexer and the uppermost four for the other.

•Except for the MX2 series cards, as standard the individual multiplex connections are on terminals with

the same number as the relay. A letter can be appended to the end of the part number indicating the

color of the terminal (R = red, B = black or W = white).

•For the MX2 series cards, as standard the individual multiplex connections are on the front panel

terminals (HV and SENSE+).

•The common connection to each multiplexer is connected to a user specified point (e.g. a terminal or an

internal bussed connection).

Table 2 shows the ordering codes for each variant.

Table 2

Function

7KVdc/5KVrms

10KVdc/7KVrms

15KVdc/10KVrms

8:1 Multiplex

HV7-8

HV10-8

HV15-8

4:1 Multiplex

HV7-4

HV10-4

HV15-4

2:1 Multiplex

HV7-MX2

HV10-MX2

HV15-MX2

Dual 4:1 Multiplex

HV7-4x2

HV10-4x2

HV15-4x2

Dual 2:1 Multiplex

HV7-MX2x2

HV10-MX2x2

HV15-MX2x2

964i Series Operating Manual - December 12, 2022

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Specifications -

Voltage Between any two connections: See Table 2.

Any connection to ground: See Table 2.

Frequency <500Hz.

Carrying Current <1Arms continuous, <2Arms for <1 second.

Switching Power HV7-xxx and HV10-xxx : <50W (resistive).

HV15-xxx : <10W (resistive).

Switching Time <5ms (including bounce).

Expected Life <1mA, <100V resistive switching: 500,000 operations.

At max. switching power: 1,000 operations.

Contact Resistance At terminals, <50% expected life operations (add 0.1Ωfor <100% life).

<0.25Ω (uncompensated).

<0.1Ω (compensated).

<±0.1Ω difference between lowest and highest.

Leakage Resistance Any individual connection to ground: >500GΩ at <30C.

Common connection to ground: >100GΩ at <30C.

Between any two connections: >1TΩ at <30C.

Leakage Capacitance Any individual connection to ground: 15pF (typical).

Common connection to ground: 50pF (typical).

Between any two connections: 5pF (typical).

Thermal EMF <1mV.

Coil Power Holding closed: 0.3W (typical)

Closing: 1.25W for 5ms (typical)

LV SERIES

The LV series cards are 8:1, 4:1, 2:1, dual 4:1 and dual 2:1 multiplexing cards handling medium currents at voltages

up to 3KVdc or 2KVrms. Figure 2 shows the configurations available (other configurations are available, contact

ViTREK with your specific requirements).

Figure 2

964i Series Operating Manual - December 12, 2022

Page 10 of 28

•As standard, cards are populated from the lowermost numbered relay positions upwards. Dual multiplex

cards use the lowermost four positions for one multiplexer and the uppermost four for the other.

•As standard the individual multiplex connections are on terminals with the same number as the relay. A

letter can be appended to the end of the part number indicating the color of the terminal (R = red, B =

black or W = white).

•The common connections are connected to a user specified point (e.g. a terminal or an internal bussed

connection).

Table 3 shows the ordering codes for each variant.

Table 3

Function

8:1 Multiplex

LV-8

4:1 Multiplex

LV-4

2:1 Multiplex

LV-MX2

Dual 4:1 Multiplex

LV-4x2

Dual 2:1 Multiplex

LV-MX2x2

Specifications -

Voltage Between any two connections: 3KVdc/2KVrms.

Any connection to ground: 5KVdc/3KVrms.

Frequency <500Hz.

Carrying Current <1Arms continuous, <8Arms for <1 second.

Switching Power <500W (resistive).

Switching Time <10ms (including bounce).

Expected Life <1mA, <100V resistive switching: 5,000,000 operations.

At max. switching power: 100,000 operations.

Contact Resistance At terminals, <50% expected life operations (add 0.05Ωfor <100% life).

<0.175Ω (uncompensated).

<0.05Ω (compensated).

<0.075Ω difference between lowest and highest.

Leakage Resistance Any individual connection to ground: >1GΩ at <30C.

Common connection to ground: >200MΩ at <30C.

Between any two connections: >1GΩ at <30C.

Leakage Capacitance Any individual connection to ground: 15pF (typical).

Common connection to ground: 50pF (typical).

Between any two connections: 10pF (typical).

Thermal EMF <200uV.

Coil Power Holding closed: 0.12W (typical)

Closing: 0.5W for 5ms (typical)

HC-4

The HC-4 card is a dual 4:1 multiplexing card; one multiplexer handles current up to 40Arms, and the other handles

low currents. These are designed to multiplex AC Ground Bond measurements. Figure 3 shows the configuration

available (other configurations are available, contact ViTREK with your specific requirements).

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