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Icon Electronics D3-VMD0-T Operating Instructions page 2

Dc voltage monitor

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· Hysteresis value for relay 1 "HYS.1 " (default: 0.5 )
Once the set-point is reached, (& relay changed state), the input signal must change (in the opposite direction) by this value before the relay
will return to its original state.
· Start-up delay for relay 1 "St.d.1" (default: 0.0 Sec, max: 100.0 Sec)
Delay (after power-up) before monitoring starts (to allow the signal to stabilize).
· Reaction delay for relay 1"rE.d.1 " (default: 0.0 Sec, max: 100.0 Sec)
A fault condition must occur for longer than this period before the relay changes state.
(To allow fault conditions for short periods of time)
· Relay 1 function "rE.F.1 " (default: De-energise)
Relay state when the setpoint is reached "dE.En"=de-energise, "EnEr"= energise.
· Latch enable for Relay "LAt.1 " (default: Enable)
When the setpoint is reached, & the relay has changed state, the relay will NOT revert back to the original state while the latch pins are
shorted (with this parameter enabled), even if the measured value drops below the setpoint & hytesresis level. The latch pins can also be used
to reset relay 1 if enabled. If disabled, the latch pins do NOT affect relay 1's functionality. "En.Ab"=enabled, "diS.A"= disabled.
· Upper limit for relay 2 "Hi 2" (default: disabled)
· Lower limit for relay 2 "Lo 2" (default: disabled)
· Hysteresis value for relay 2 "HYS.2 " (default: 0.5)
· Start-up delay for relay 2 "St.d.2" (default: 0 Sec, max: 100.0 Sec)
· Reaction delay for relay 2 "rE.d.2 " (default: 0 Sec, max: 100.0 Sec)
· Relay 2 function "rE.F.2 " (default: De-energise)
· Latch enable for Relay 2"LAt.2 " (default: Enable)
· Fault indication "indi" (default: on)
During fault conditions the display indicates whether the value is above or below the set point values ("r1.Hi","r1.Lo", "r2.Hi","r2.Lo"). If a
fault condition exists, but the relay is being held energised by the start-up or reaction delay timers, "-r1-" or "-r2-" is displayed.
Changing this setting to "off", disables these messages. Note:This setting does not affect the "Er.Hi" and "Er.LO" messages. (see
notes)
· Lower display value "diSP"
Select the value to be displayed on the lower LED display."Hi1","Lo1" or "off"
· 24 hour Minimum "24h.L"
Display the lowest value measured during the past 24 hours (Press "SELECT" to clear)
· 24 hour Maximum "24h.h"
Display the highest value measured during the past 24 hours (Press "SELECT" to clear)
· Display Span "SCAL" (default value:100.0)
This value is displayed when 150V is applied to the input. (or rated input if specified otherwise. See label on device)
· Decimal pointer "dEci" (default value: 100.0)
Use this setting to adjust the decimal point to the desired position.(0.000 / 0.00 / 0.0 / 0)
· Software damping filter "FiLt" (default value:6)
Adjust from 1 to 15 to increase the amount of signal damping.
· Re-transmit output Offset "rt.OS' (default value: programmed display offset value)
When the display indicates this value, 4mA will be transmitted.(see notes)

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