5.3.2 Control Circuit and Auxiliary Voltage Connections

5.3.2 Control Circuit and Auxiliary Voltage Connections

The control connection terminals are located at the bottom of the cabinet in the PLC compartment as shown below Fig. 5-7. The terminals are used to connect various control connections of Shovel electrics to PLC & power cabinet. Refer latest version of terminal diagram document number 4W-2601-1644714 and circuit diagram for details.

MTB2

LTB1 HTB5 MTB1 X69

X70

HTB1 HTB2

HTB6

GROUND CONECTION

Fig. 5-7 Control connections located at the bottom of PLC compartment

Siemens Ltd. A5E01511750J/ 4M-2601-1645240 AC Shovel 295HD/ HR DCC Operation & Maintenance Manual 69

Fig. 5-8 Terminal box to connect power supply to blower & pump

Use terminal X68 to connect supply voltage to centrifugal pump and terminal X67 to connect supply to main blower as shown in Fig. 5-8

For Profibus & Ethernet connections, use rubber grommets provided in the PLC compartment. Out of these two connections one is to be used for connecting Profibus node and the other for connecting Ethernet cable coming from JLT operator panel display.

Siemens Ltd. A5E01511750J/ 4M-2601-1645240 AC Shovel 295HD/ HR DCC Operation & Maintenance Manual 70