Precision Digital PD865 - Manual (Page 40)

PD865 Snooper Modbus Serial Input Meter Instruction Manual
40
Setting the Relay Action
The relays Action menu allows the user to set up the operation of the
relays. The relays may be set up for any of the following modes of
operation:
1. Automatic reset (non-latching)
2. Automatic + manual reset at any time (non-latching)
3. Latching (manual reset only, at any time)
4. Latching with Clear (manual reset only after alarm condition
has cleared)
5. Pump alternation control (automatic reset only)
6. Off (relay and status LED disabled)
The following graphic shows the action menu for relay 1. Relays 2 to 4
are set up in a similar fashion.
Act 1
auto A-nman latCh Lt-Clr
From Relay 1
Menu
altern off
Press Enter/Ack to
Make Selections
Press Menu to
Exit at any Time
Press Up Arrow to
Scroll Through
Choices
Programming Set and Reset Points
High alarm indication: program set point above reset point.
Low alarm indication: program set point below reset point.
The deadband is determined by the difference between set and reset
points. Minimum deadband is one display count. If set and reset points
are programmed the same, relay will reset one count below set point.
The following graphic shows the Set/Reset point menu for relay 1. The
menu is similar for relays 2 to 4.
Set 1 Rset 1
Enter Set Point
Value
Enter Reset
Point Value
Quick Points
Press Up arrow and Menu
at the same time to access
set/reset points quickly.