INTERNAL CONTROL DESCRIPTION for (CAF-900 Series Electric Self-Cleaning Screen Filter) supply in Kuala Lumpur (Environmech Sdn Bhd)

Controller Operation General Description (Appendix 1)

B. INTERNAL CONTROL DESCRIPTION
1. PLC, Programmable logic controller (Allen bradly MICRO 1000) or any PLC with6 
out /10 in.
2. TR1, Low voltage isolated transformer with multi-voltage inlets, Which enables using
any conventional 3 phase voltage supply (380-420-440-480V) 150Vac/20VA fixed outlet 
for the PLC and 24Vac/50VA fixed outlet for the solenoids.
3. OL1 , Motor overload protection 1-1.6amp. with aux. Contacts.
4. C1a/C1b, power relays which controls filter motor movement.
5. e1, 1amp. fuse which serves as a main protect for the PLC & TR1.
6. e2, 2amp. fuse which protects against accidental short circuits on the SV1 - SV3
solenoids/outlets (24Vac).
7. K1, serves as a fault auxiliary relay that activates on fault state and can drive external load
(buzzer etc.) through it's Normally Open/close contacts.
8. S4/S5, Special programming/setting switches (S4 – Toggle sw. / S5 – Push Button sw).

For more information or enquiry, please contact Environmech Sdn. Bhd.
Contact us: http://www.environmech.com/p/contact-us.html 

Website: www.Environmech.com