05
INSTALLATION AND OPERATING INSTRUCTIONS PRECISION
®
FILTER CLEANING SYSTEM CONTROLS
Figure 4:
PS-L,.DC.Output.Large.Terminal.Expansion.Card
19
14
15
17
18
16
Figure 5:
AC/AC.Baseboard.Top.View
27
24
28
7
10
30 31
29 20
12
Note:
AC/AC baseboard comes with the tube cleaner mounted on the baseboard.
For the AC/DC and DC/DC baseboards it comes separately on the P-CTX card.
Figure 6:
PS-CA.AC.output.Compact.Terminal.Expansion.Card
27
24
30
31
15
17
Note:
No LEDs for AC output Compact Terminal Expansion Card.
Figure 7:
PS-LA.AC.output.Large.Terminal.Expansion.Card
30
31
15
17
27
26
Note:
All AC output products (Figures 5–7) have no manual solenoid triggers.
Key.to.Figures.1.to.7.
1
Precision motherboard (10 output)
2
P2 Enhanced Demand Mode
interface
3
P1 Sequential Mode interface
4
Power-on switch
5
Power LED
6
Motherboard manual solenoid
triggers and LEDs.
7
Motherboard solenoid terminals
8
P-MOD, Modbus card (optional)
9
P-CTX, I/O card (optional)
10
Power in
11
Expansion card connection
12
Fan contacts
13
PS-C, compact expansion card (10
output)
14
Expansion card contacts
15
Solenoid terminals and LEDs
16
Expansion card manual solenoid
triggers and LEDs
17
Expansion card terminating
resistor and addressing switches –
Switch No.1:
Turns on terminating resistor*
Addresses 1 to 9:
Turn DIP switch No. 2 to ‘OFF’
position and use Rotary switch to
select address
Addresses 10 to 19:
Turn DIP switch No. 2 to ‘ON’
position and use Rotary switch to
select address
* Terminating resistor is turned to
‘ON’ position on last slave card.
18
Expansion card fuse
19
PS-L, large expansion card (10
output)
20
Motherboard terminating resistor
(DIP switch No. 1)
21
Pressure Transducer
22
24 V Rail Fuse – 250 V 4 A (located
on motherboard)
23
Mains Fuse – 250 V 2 A (located on
motherboard)
24
AC/AC Baseboard
25
PS-CA Compact expansion card
26
PS-LA Large expansion card
27
T3A 250 V slow-blow fuse 20 mm
28
Isolate and Purge contacts
29
24 V DC additional voltage in
30
Power to expansion cards
31
Communications with expansion
cards and baseboard