65-0288-1 - 7800 SERIES S7800A1142 Keyboard Display …

Annunciator Features. SERVICE NOTE: The S7800A1142 can either do the Expanded Annunciator Feature or ModBus -- not both. If BOTH are required, order the S7810M1003 ModBus Module for the ModBus option. B. The S7800A1142 KDM is also used to program the Valve Proving and Post-purge feature of Select RM7800 SERIES devices. See Appendix C …

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