iii
INM9491 Rev 3
CONTENTS
DECLARATION OF CONFORMITY .......................................II
1 FEATURES ...........................................................1
2 DESCRIPTION ........................................................1
3 DIN-RAIL INSTALLATION METHOD .........................................3
3.1 Protection of equipment ....................................................3
3.2 DIN rail mounting ........................................................3
3.3 Power bus - Installation and use .............................................5
3.4 Earth rail and tagging accessories ............................................6
3.5 Assembly ...............................................................8
4 BACKPLANE MOUNTING METHOD .......................................10
4.1 Accessories .............................................................10
4.2 Protection of equipment ...................................................10
4.3 Backplane mounting .....................................................10
4.4 Backplanes – identification and tagging ......................................12
4.5 Backplanes - earth rails ...................................................14
4.6 Backplanes – power supply connections .......................................14
4.7 Fitting 9491-PS modules to backplane ........................................14
5 ENVIRONMENTAL ....................................................16
6 WASTE REMOVAL INFORMATION ........................................16
7 APPROVALS .......................................................16
8 FM CERTIFICATION INFORMATION .......................................16
9 ATEX & IECEx CERTIFICATION INFORMATION ...............................17