Surge Protection
Although the GSC3000 and VRC2500 have built-in resistance to voltage surges, we recommend that you use a
surge protector or line conditioner on the incoming AC line. Lightning strikes and other surges may damage your
system and connected equipment if they are not properly protected. Contact Burk Technology for information
on available surge protectors. The factory warranty does not cover repairs for damage caused by voltage surges.
IMPORTANT SAFETY INFORMATION
Severe injury may occur if a command channel is activated while you are performing maintenance on your
equipment. To prevent the I/O unit from issuing command outputs, switch the unit from REMOTE to LOCAL
mode before working with connected equipment.
To make the switch to LOCAL mode, press the REMOTE/LOCAL button on your I/O unit. The REMOTE/LOCAL
LED will turn red to confirm the change. When you place a unit in LOCAL mode, all metering and status
information is still available, and alarms will still be issued. To return to REMOTE mode, press the
REMOTE/LOCAL button again. The REMOTE/LOCAL LED will turn green.
In a GSC3000 system with multiple units, pressing the REMOTE/LOCAL button on one I/O unit places all G-Bus
connected I/O units in LOCAL mode. G-Bus networked I/O units placed in LOCAL mode by another I/O display
a flashing red Remote/Local LED. The I/O unit that performed the switch displays a solid red LED. Press the
REMOTE/LOCAL button on this unit to return all G-Bus networked units to REMOTE mode.
The Lynx software will also indicate in the Site List and Event List when a unit has been placed in LOCAL mode or
has returned to REMOTE mode. In the Site List, the icon for a unit in local mode appears with a lock ( ).
CONTROLS & CONNECTORS
Before you set up your GSC3000 or VRC2500, it is a good idea to familiarize yourself with the controls and
connectors for each unit you ordered. Below are diagrams and descriptions of the VRC2500, GSC3000 I/O
unit, Voice Interface, Wiring Interface, and Command Relay.
Note: For product specifications, see Appendix B.
VRC2500
The I/O component provides the input and output channels used to physically control your site. To activate
those channels, the unit contains nonvolatile onboard memory and a microprocessor. This means that once you
save all your configuration data – limits, alarms, actions, macros, etc. – the unit will operate without a dedicated
computer connection. The Voice Interface component provides telephone control, detailed in Chapter 11.
P
Po
ow
we
err LLE
ED
D
Indicates whether the unit is currently powered.
GSC3000 & VRC2500 INSTALLATION & OPERATION MANUAL
CHAPTER 1: INTRODUCTION
8
Summary of Contents for GSC3000
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