H4CV-7-C of types Gear unit designation Orientation in sp Helical gearboxes H4

Flender/Flender Gear Units/Helical gearboxes H4

hall be able tr ack the steeping of the secondary controller when not operating in cascade mode. All controllers shall have facil ity for slow and fast ramping steeping output. 0.0.0.0 Data Acquisition sub-system Data acquisition subsystem shall interface and multiplex analog and discrete inputs from open loops. The inputs shall include 4-2 mA dc, thermocouple, resistance temperature detector and discrete contacts. The syst em shall be capable of processing linear and non-linear analog inputs, line arization and compensation for ther mocouple, linearizati on of RTD inputs and square root extraction for flow inputs. Dep ending on applications following functions may be provided in the anal og or binary input modules. . Power supply to transmitters . Signal validation error checking and limit monitoring for unacc eptable levels. . Filtering of signals. . Time tagging . Cold junction compensation nd linearization of / input. . Limit value monitori ng to provide output for controls, alarms etc. . One out of two, two out of three selection. . Computation .. function genera tion, square root extraction, compensation for mass, flow, density, etc. . Signal distribution 0.0.0.0 / Module Subsystem All DIs / DOs shall be wired to the / cards with external int erfacing relays. All / modules shall be Hot Swappable type. Each analog input / output channel shall be isolated from exter nal control circuit by optical / ga lvanic isolation. Each digital input / output shall be galvanically / optically isolated from external control circuit. The minimum isolation level between / and lo gic circuit shall be as per OEM standards-volt dc. Each / shall be protected from short circuit and reverse pola rity of power voltage. Each / channel have an indication to indicate the st atus. Each input 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRI