Perma Pure Modular Board User Manual
Page 14

Move switch #5 to the ‘OFF’ position of the DIP Switch labeled SW1 to exit
board configuration and return to operation. The updates are automatically saved.
Single Channel Cooler with communications
DIP Switch 1, 2 and 3 are OFF, OFF and OFF.
Menu
Item
Display Range
Set Point 1
SP1
-10 to 25 °C
Ready
1 rd1
-10
to
25
°C
Relay
Control
rLY
Reset
or
Latch
Modbus ID
I d
1 to 255
Set Point 1 is the temperature the cooler will try to maintain the impinger at
during operation.
Ready 1 is the temperature that impinger must be below to turn on the relay and
external equipment (i.e. sample pump)
Relay Control determines if the control relays reset automatically or latch on
alarm. Choose “Reset”, displayed as “rSt”, to have the relays reset automatically.
Choose “Latch”, displayed as “LAt”, to have the relays latch on alarm. An
external switch is required to reset the alarms.
Modbus ID is the address used in serial communication to the unit.
Single Channel Cooler 2
nd
channel
DIP Switch 1, 2 and 3 are ON, OFF and OFF.
Menu
Item
Display Range
Set Point 1
SP1
-10 to 25 °C
Ready
1 rd1
-10
to
25
°C
Relay
Control
rLY
Reset
or
Latch
Set Point 1 is the temperature the cooler will try to maintain the impinger at
during operation.
Ready 1 is the temperature that impinger must be below to turn on the relay and
external equipment (i.e. sample pump)
Relay Control determines if the control relays reset automatically or latch on
alarm. Choose “Reset”, displayed as “rSt”, to have the relays reset automatically.
Choose “Latch”, displayed as “LAt”, to have the relays latch on alarm. An
external switch is required to reset the alarms.