Products » 500-TT Process Display Type 500-TT...a programmable 5-digit digital panel meter with three alarm relays |
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This digital panel meter provides a scaleable five digit display of an analogue signal in engineering units. User configurable scaling to ranges within - 9999 to +99999, input signal selection and universal mains power enable spares/stock holding to be kept to a minimum. Three alarm relays provide voltage free contacts that change state when the input signal passes an adjustable reference set-point. Simple to use yet powerful menu-driven software enables fast flexible set-up from the front panel. |
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Input source and scaling Alarms Delay - inhibits an alarm operation until the period programmed has expired (useful for preventing nuisance tripping). Hysteresis - values of up to 100% of the input signal span from either above or below the alarm trip point set (set in percentages or display units). Alarm type - each alarm channel may be set as ‘Active High’ or ‘Active Low’. Relay state - may be set to de-energise (off) on alarm or energise (on) on alarm. Interlocked action - each channel can be independently set to operate at the trip point but reset at a different point using the hysteresis setting. This feature can be used in duty-standby pump control and can also include the delay function. Monitored channel status indication Linearisation Programming Splash resistant front panel |
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