MAGUIRE NOVATEC NDB Series, Instruction Manual

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NDB-15-50 IM 28 FEB 2018 © 2018 NOVATEC, Inc. All Rights Reserved Page 7
6.0 MONITORING PLC CYCLE
•
Press ESC button on the Mini PLC
•
Press the
⇓
arrow to the Set Param line.
•
Press OK button. Main counter B1 should display with Cnt value at bottom of the screen
•
Cnt value represents current count in minutes for the total cycle. If counter B1 fails to display,
press
⇓
or
⇑
arrows until B1 displays with Cnt value.
•
To fast cycle advance counter B1 connect the 115V hot wire to PLC input I2.
•
Check schematic diagram for wires numbers to jump for fast cycle advance. Each
1 minute count becomes 1 second in the fast advance mode.
•
On initial start fast advance B1 counter to 0 or 1 counter value. Reference the chart below for
sequence of operation.
6.1 8- Hour Sequence of Operation
Time Counter, B1 8 Hour Cycle
0 Hour, 0 Minute 0 Bed shift, left bed drying, overtemp alarm inactive.
0 Hour, 1 Minute 1 Right bed regen heater on.
0 Hour, 20 Minute 20 Overtemp alarm active.
1 Hour, 37 Minute 97 Right bed regen cooling, regen heater off.
4 Hour, 0 Minute 240 Bed shift, right bed drying, overtemp alarm inactive
4 Hour, 1 Minute 241 Left bed regen heater on.
4 Hour, 20 Minute 260 Overtemp alarm active.
5 Hour, 37 Minute 337 Left bed regen cooling, regen heater off.
8 Hour, 0 Minute 480 Bed shift, left bed drying.
6.2 PLC Counter Settings
Counter ON Value OFF Value Description
B1 480 0 Cycle reset
B3 0 240 Bed shift
B4 241 337 Left bed regen heater
B5 1 97 Right bed regen heater
B7 240 260 Right bed drying alarm delay
B8 0 20 Left bed drying alarm delay