Engineer Training Electrical System Overview and Requirements Confidential

Engineer Training Electrical System Overview and Requirements Confidential

Engineer Training Confidential Block Diagram XL 1500 Electric + PDU’s 2

Engineer Training Confidential PDU Latest Revision – Inside Look XL 1500 Electric + PDU’s 3

Engineer Training Temp controllers adjustment procedure Upper PDU Components 1. 2. Temp. controllers IR Temp. controller Heating table Temp. controller 1 2 4 3. 4. Phase Contactors 55 A For the drivers For the IR Confidential 3 XL 1500 Electric + PDU’s 4

Engineer Training Circuit breaker 3 phase, 63 A Mid Level – Inside Look Lamps 220 v Main Switch S 1 Fuse holder Confidential XL 1500 Electric + PDU’s 5

Engineer Training Lower Level-PDU Circuit breakers 2*6 A 7*10 A 2*16 A Main filter 3 Phases UPS rotary switch Confidential XL 1500 Electric + PDU’s 6

Engineer Training PDU – Main Safety relay Confidential XL 1500 Electric + PDU’s 7

PDU – Main Safety Engineer Training q Phase R starts the following loops: § Phase R UPS K 1 q K 1 is the Safety relay – Responsible for shutting down the motion system in case of emergency. q When the 24 v loop is cut, emergency is active. Confidential XL 1500 Electric + PDU’s 8

Engineer Training Confidential Open Cabinet – Old Revision XL 1500 Electric + PDU’s 9

Engineer Training Upper PDU We have the following parts: 1. Temperature Display / Control for the Heating Table. 2. Heating Hood Row Selection / OFF Switch 3. Heating Hood Zone Selection Switch 1 2 Confidential 3 XL 1500 Electric + PDU’s 10

Engineer Training Mid Level PDU Heating Hood 3 Phase Magnetic Relay Here is where the computer turns on the heating. Power Pilot Lamps. (Right) Fuses for the Pilot Lamps (Left) Main Power Breaker Confidential Main Power Switch XL 1500 Electric + PDU’s 11

Engineer Training Lower Level PDU Main Power Filter UPS / Main Selector Switch Heating Table Relay Confidential Safety System Relay XL 1500 Electric + PDU’s Surge / Spike Suppressor Circuit 12

Engineer Training New PDU (UL Certified) – Last Revision New Safety Relay K 3 RL 3 Confidential q New Safety relay K 3 (the same relay type as used for activating the Drying System) for the drivers replaces the old problematic one. q The K 3 relay has been moved to a new position, and the RL 3 relay is installed into its place (see Figure 4). XL 1500 Electric + PDU’s 13

Engineer Training Confidential Last PDU Revision (UL Certified) XL 1500 Electric + PDU’s 14

Engineer Training Last PDU Revision (UL Certified) (Cont. ) New Main 3 -phase Circuit Breaker q The main Circuit Breaker F 1 (see green line) includes the Switch Tripped mechanism (terminals 9, 10). The two phases are connected (see dashed green line) via the Emergency Switch. q When the Switch Tripped is powered, the F 1 contacts are closed and the machine is connected to the power line. q When the Emergency Switch is pressed, the Switch Tripped will be powered off and the F 1 contacts will be opened, (i. e. the machine will be disconnected from the power line). Confidential XL 1500 Electric + PDU’s 15

Engineer Training Last PDU Revision (UL Certified) (Cont. ) New Emergency Stop Button The new PDU is equipped with its own Emergency Stop button When pressed, the RL 3 relay will be activated and the electrical power will be disconnected before the Main 3 -phase Circuit Breaker and from the UPS to the machine – see Figure (next slide). Confidential XL 1500 Electric + PDU’s 16

Engineer Training Main Safety – PDU To UPS Confidential XL 1500 Electric + PDU’s 17

Engineer Training Main Safety – PDU q The green dash line marks the circuit UPS Emergency Switch RL 3 coil UPS. When the Emergency Switch is pressed, this circuit is open. q The cyan dot line specifies the circuit UPS RL 3 contacts Drivers Left Cabinet (PC, Power Supplies) UPS. When the Emergency Switch is pressed, this circuit is open. q The magenta dot line specifies the self-sustain loop for holding the RL 3 powered in case of general electric failure (i. e. Switch Tripped is not powered and the green circuit is open). Confidential XL 1500 Electric + PDU’s 18

Engineer Training Confidential PDU with Heating Control Unit (External or Built-in) XL 1500 Electric + PDU’s 19

Engineer Training Confidential XL Premium – PDU XL 1500 Electric + PDU’s 20

Engineer Training XL Premium – PDU 1. XL Premium printing table has an Extra 5 heating table elements (Total of 10 heating elements). 2. Circuit breaker on the PDU is changed from 16 A to 20 A in order to support it. 3. Controlling the heating tables is from the Printing table heating controller (F 5 circuit breaker on the PDU) 4. Once the heating table gives signals that the current temperature is lowered then the desired temperature, a 24 v input signal will operate the SSR and the heating table will work. Confidential XL 1500 Electric + PDU’s 21

Engineer Training XL Premium – PDU 20 A Circuit breaker Confidential XL 1500 Electric + PDU’s 22