Lesman Instrument Company
 
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Honeywell Plug-In Modules
Lesman Instrument Company: Your source for process control instrumentation.
S7800A1142 Keyboard Display ModuleS7800A1142 Keyboard Display Module
Plug-in keyboard display for current status of burner sequence, timing, hold, and lockout information. Required to program valve proving and post-purge features on Honeywell 7800 enhanced control systems.
S7810B1007 Multi-Drop Switch ModuleS7810B1007 Multi-Drop Switch Module
Plug-in ControlBus module for Honeywell 7800 series control systems. Supports remote mounting of S7800A keyboard display module, PC communications interface, and remote reset.
ST7800A Pre-Purge Timer CardsST7800A Pre-Purge Timer Cards
Plug-in pre-ignition purge timer cards for use with Honeywell 7800 series relay modules

 
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