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Product Documentation and Compliance Information for the Cisco ISA 3000 Industrial Security Appliance
78-100733-01B0
Connecting DC Power
Warning
When you connect or disconnect the power and/or alarm connector with power applied, an electrical
arc can occur. This could cause an explosion in hazardous area installations. Be sure that all power
is removed from the device and any other circuits. Be sure that power cannot be accidentally turned
on or verify that the area is nonhazardous before proceeding.
Statement 1058
Warning
Explosion Hazard—Substitution of components may impair suitability for Class I, Division 2/Zone 2.
Statement 1083
Warning
In device installations in a hazardous location, the DC power source could be located away from the
vicinity of the device. Before performing any of the following procedures, locate the DC circuit to
ensure that the power is removed and cannot be turned on accidentally, or verify that the area is
nonhazardous before proceeding.
Statement 1059
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
Step 5
Insert the ground screw into the functional ground screw opening on the
front panel.
Attach the ring terminal to the chassis using the screw set aside in step 1.
The graphic to the right shows the proper ground connection points.
Step 6
Use a ratcheting torque screwdriver to tighten the ground screw and ring terminal to the ISA 3000 front panel to 3.5
in-lb (0.4 N-m). The torque should not exceed 3.5 in-lb (0.4 N-m).
Step 7
Attach the other end of the ground wire to a grounded bare metal surface, such as a ground bus, a grounded DIN
rail, or a grounded bare rack.
