Spectrum Controls 2080sc-BAC - Manual (Page 16)

1-8 Chapter 1: Module Overview
User’s Manual Pub. 0300274-01 Rev. A.0
Section 1.6 LED Indicator
A single LED indicator is provided with the module. The LED is green for ON.
The LED blinks in case of a fault.
Section 1.7 Software Upgrade
The module software can be upgraded in the field.
Section 1.8 Module DC Power Specifications
The controller provides two Power Supplies to the module:

3.3 Volts (3.0 V Min, 3.6 V Max), Current Rating: 40 mA

24 Volts (20.4 V Min, 26.4 V Max), Current Rating: 50 mA
You may not use an external power source to power the module. Refer to the
specifications in the Appendix for further information.
Section 1.9 Module Chassis Earth Ground
The Micro800 controller does not have a chassis (earth) ground. The 2080sc-
BACnet module connects to an isolated ground, ISO-GND, which is exclusive to
the external communication interfaces. The purpose of the isolated ground is to
prevent possible interference on the I/O channels from permanently damaging the
module itself.