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FLEX Ex is a trademark of Rockwell Automation

Publication 1797-5.13 - August 2001

Installation Instructions

FLEX Ex Bus Isolator and Flexbus
Connector

(Cat. No. 1797-BIC, -CEC)

Use the FLEX Ex

bus isolator to interconnect standard FLEX I/O

modules to intrinsically safe FLEX Ex modules in the same I/O group.

Component Identification

Indicators

Label

Module locking tab

Removable power connector

FLEX Ex backplane connector

FLEX Ex backplane connector cover

Master backplane connector

FLEX I/O backplane connector

QUALITY

Allen-Bradley

1797 - CEC

FLEXBUS

CONNECTOR

+V -V +V -V

1797 - BIC

PWR

QUALIT Y

Allen-Bradley

FLEXBUS

ISOLATOR

42641

1797-CEC

1797-BIC

Содержание 1797-BIC

Страница 1: ...o intrinsically safe FLEX Ex modules in the same I O group Component Identification 1 Indicators 2 Label 3 Module locking tab 4 Removable power connector 5 FLEX Ex backplane connector 6 FLEX Ex backplane connector cover 7 Master backplane connector 8 FLEX I O backplane connector QUALITY B A Allen Bradley 1797 CEC FLEXBUS CONNECTOR 1 2 4 3 V V V V 1797 BIC PWR QUALITY B A Allen Bradley FLEXBUS ISOL...

Страница 2: ...ure FLEX Ex modules and FLEX I O modules on the DIN rail when attached to the same adapter and grouped together on appropriate sides of the bus isolator module This highly flexible cost effective solution combines intrinsically safe and non intrinsically safe systems Intermixed systems can be configured for use in the safe area much like traditional IS and I O systems hazardous and safe control eq...

Страница 3: ...9XP1 Bartec For NPT Threads on the Connector Part Number Manufacturer RS FEED NPT Pepperl Fuchs 07 9199 99979XP1 Bartec 1 Mixing Systems in the Hazardous Area any communication adapter supported by FLEX I O 1797 CEC 1797 BIC Non hazardous Area or Zone 2 Hazardous Area Zone 1 1794 CE3 FLEX Ex Max of 1m Field Wiring to Zone 0 40088 1797 CE1S Note A maximum of one 1794 CE1 cable and one 1794 CE3 cabl...

Страница 4: ...n the integrity of the intrinsically safe backplane Electrostatic Charge Protect the system against electrostatic charge Post a sign near this module Attention Avoid electrostatic charge For your convenience a sign which can be cut out is included in this installation instruction ATTENTION The 1797 BIC cannot be used as an associated apparatus after its FLEX Ex backplane connector has been exposed...

Страница 5: ... Industrial Environment This product is intended for use in an industrial environment Ex Directive The 1797 BIC is tested to meet the Council Directive 94 9 EC ATEX 95 Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres by applying the following standards EN50014 1997 Electrical Apparatus for Potentially Explosive Atmospheres EN50020 1994 Electrical Apparatus for...

Страница 6: ...us Classified Locations FM C1 No 3615 1989 Explosionproof Electrical Equipment General Requirements FM C1 No 3810 1989 1995 Electrical and Electronic Test Measuring and Process Control Equipment ANSI NEMA 250 1991 Enclosures for Electrical Equipment Inputs Outputs Do not apply any non instrinsically safe signals to the FLEX Ex backplane connector When using as an intrinsically safe electrical appa...

Страница 7: ...EX I O modules do not mount between FLEX I O modules Mount the 1797 CEC module to the right of FLEX I O modules To mount this module 1 Remove the cover plug if used in the male connector of the unit to which you are connecting this module 2 Position the module on the 35 x 7 5mm DIN rail A A B pt no 199 DR1 3 Rotate the module onto the DIN rail with the top of the rail hooked under the lip on the r...

Страница 8: ...IN rail If the module does not lock in place use a screwdriver of similar device to move the locking tab down press the module flush with the DIN rail and release the locking tab to lock the module in place 5 Firmly push the module into the adjacent module terminal base until the units lock together 41377 1797 CEC 42643 ...

Страница 9: ...m the right side and remove one module at a time To disengage a module from its neighbor place a common flat bladed screwdriver between the two modules and turn 1 4 turn to separate the modules 7 Then slide the module away from its left neighbor and release the locking lever to remove the module from the DIN rail 1797 CEC 42644 ...

Страница 10: ...e male connector of the unit to which you are connecting this module 2 Position the module on the 35 x 7 5mm DIN rail A A B pt no 199 DR1 3 Rotate the module onto the DIN rail with the top of the rail hooked under the lip on the rear of the module 4 Press down to lock the module on the DIN rail 1797 CEC 1 3 2 4 V V V V PWR FLEXBUS ISOLATOR 1797 BIC 42645 A A 1797 CEC 1 3 2 4 V V V V PWR FLEXBUS IS...

Страница 11: ...pecifications as listed on page 15 7 To remove the 1797 BIC remove the DIN rail locks and then slide the module away from its left neighbor and release the locking lever to remove the module from the DIN rail ATTENTION Do not remove the 1797 CEC or BIC under power Remove these modules under power will break the electrical backplane flexbus connections This can cause personal injury or property dam...

Страница 12: ...als and spring terminals are provided ATTENTION When connecting wiring torque terminal screws to 7 9 inch pounds ATTENTION Make certain that you power this device with normal 24V dc Do not use an intrinsically safe power supply such as the 1797 PS2E or PS2N to power this module 1 2 4 3 V V V V 1797 BIC POWER QUALITY B A Allen Bradley FLEXBUS ISOLATOR 42648 V V V V V V V V 41297 ...

Страница 13: ...le onto the FLEX Ex backplane connector of the 1797 BIC module Indicators The 1797 BIC module provides a LED indicating power has been applied to the module 1797 BIC Mounting Dimensions Repair The 1797 BIC is not field repairable Any attempt to open the module will void its warranty and the IS certification If repair is necessary return the module to the manufacturer ATTENTION The FLEX Ex backplan...

Страница 14: ... 5 13 August 2001 1797 CEC Mounting Dimensions Repair The 1797 CEC is not field repairable Any attempt to open the module will void its warranty If repair is necessary return the module to the manufacturer 1797 CEC 41413 2 72 69 2 17 55 3 15 80 Inches Millimeters ...

Страница 15: ...ditions Operational Temperature 20 to 70oC 4 to 158oF Storage Temperature 40 to 85o C 40 to 185o F Relative Humidity 5 to 95 noncondensing Shock Operating Tested 30g peak acceleration 11 1 ms pulse width Non Operating Tested 30g peak acceleration 11 1 ms pulse width Vibration Tested 5g 10 500Hz per IEC 68 2 6 Output Intrinsically Safe 16 pin male and female flexbus connector CENELEC Uo 5 75V dc Io...

Страница 16: ...cted between the adapter and the 1797 CEC cannot exceed eight 1797 CEC Specifications Indicators Not applicable Weight Approximately 100g Environmental Conditions Operational Temperature 20 to 70o C 4 to 158o F Storage Temperature 40 to 85oC 40 to 185oF Relative Humidity 5 to 95 noncondensing Shock Operating Tested 30g peak acceleration 11 1 ms pulse width Non Operating Tested 30g peak acceleratio...

Страница 17: ...ns must be heeded in Germany DIN EN 50020 DIN VDE 0165 FM Information Diagram 1 Diagram 2 Nonhazardous or Hazardous Classified Location Class I Zone 2 Group IIC or Class I Division 2 Groups A D Nonhazardous or Hazardous Classified Location Class I Zone 1 Group IIC or Class I Division 1 Groups A D 42876 Nonhazardous or Hazardous Classified Location Class I Zone 2 Group IIC or Class I Division 2 Gro...

Страница 18: ...e 2 area Cover Plug for IS Backplane Bus The 16 pole male connector for the FLEX Ex IS backplane bus is provided with a cover plug The cover plug can only be removed when a 1797 TB3 terminal base a 1794 CE1 or a 1794 CE3 cable is connected The connection must not be connected to any signals which exceed the instrinsically safe values of the IS backplane Power Supply The isolator is powered via a r...

Страница 19: ...001 ControlNet is a trademark of ControlNet International ControlNet Ex is a trademark of Rockwell Automation IMPORTANT For detailed certification information refer to the FLEX Ex System Certification Reference Manual publication 1797 6 5 6 Attention Avoid electrostatic charge ...

Страница 20: ...Publication 1797 5 13 August 2001 PN 957555 70 Supersedes Publication 1797 5 13 February 2001 2001 Rockwell International Corporation Printed in USA Notes ...

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