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F. Coat Proposal Revised - Items 1-11 <br /> Page 7 of ? <br /> <br />D. Provider of instrumentation and devices is responsible for signal floise quality to <br /> meet the requirements of the control and SCADA system. <br />E. Surge protection to protect devices outside of the RTUs and Central Site Equipment <br /> is the responsibility of others. <br />F. Taps, hot shots and impulse tubing, for instrumentation, by others. <br />G. All required freeze protection materials are the responsibility of others. <br /> <br />11. I10 REQUIREMENTS <br /> <br />A. All digital inputs to the DFS RTU will be of a dry contact type. <br />B. Mixing of multiple sources of power will not be permitted. <br />C. All digital outputs from the DFS RTU will be dry contacts and provide for 120VAC ~ <br /> 10amp capacity. <br />D. Ali analog-inputs will be 4-20mA. <br />E. 4-20mA signals, at a minimum, to provide 500 ohm impedance-drive. <br /> <br /> <br />