OPERATION & MAINTENANCE MANUAL TMS2000/3000
TMS Operations and Maintenance Manual.docx February 12, 2018
PAGE 54
Latch En Latch Enable: A latching relay is useful for manipulating external valves or for providing indirect
pump control for the purpose of automatically filling (supply pump) or emptying (return pump) a
tank. Once the feature is enabled, the Latch Off condition must be defined in the settings that
follow. The Latch On condition is defined elsewhere in the Configuration menu, most commonly
in either the Relay Tank or Relay Sensor submenus.
Entry Type: select list
Range Limits: No, Yes
Default/Initialized value: no
SP1 OFF SetPoint # Latch Off: (3 Product SetPoint Firmware Only: Vxx99xx or Vxx00xx). Identifies the
SP2 OFF Tank Channel number (NOT Tank ID) whose corresponding Product SetPoint will return the
SP3 OFF Relay Output to its Normal Contact State. The Latch On condition would most likely be defined
in the Relay Tank submenu in this instance.
Entry Type: select list
Range Limits: Tank NO: Specified Latch Off condition NOT selected
Tank 1-12 (TMS3000), Tank 1-2 (TMS2000)
Default/Initialized value: tnk no
CritH OFF SetPoint # Latch Off: (6 Product SetPoint Firmware Only: Vxx01xx). Identifies the Tank Channel
HiHi OFF number (NOT Tank ID) whose corresponding Product SetPoint will return the Relay Output
High OFF to its Normal Contact State. The Latch On condition would most likely be defined in the Relay
Lo OFF Tank submenu in this instance.
LoLo OFF Entry Type: select list
CritL OFF Range Limits: Tank NO: Specified Latch Off condition NOT selected
Tank 1-12 (TMS3000), Tank 1-2 (TMS2000)
Default/Initialized value: tnk no
sensr OFF Sensor Latch Off: Specifies the Leak/Point Level Sensor used to return the Relay Output to its
Normal Contact State. The Latch On condition would most likely be defined in the Relay Sensor
submenu in this instance.
Entry Type: select list
Range Limits: Input NO: Specified Latch Off condition NOT selected
Input 1-40 (TMS3000), Input 1-8 (TMS2000)
Default/Initialized value: Inp no
Return Return: Press EDIT (TEST) to exit Relay Mode submenu.
Note: Press STEP (MODE) to return to top of Relay Mode submenu showing NornaLLY
(Normally)
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