Liebert 1500 - Manual (Page 38)

32 Operation
4.2.2 Rear Panel
The rear panel of the Conventional Controller is provided with the connection interface features
shown in Figure 30 and described in the following subsections.
Figure 29 Terminal blocks and connectors layout at the rear of the Conventional Controller
Terminal blocks
Six terminal blocks to interface with external wiring as follows:
• TB1: various alarm outputs to the office alarm circuits and the cabinet alarm lamp
• TB2: various alarm outputs to the office alarm circuits, and remote equalize signal input
• TB3: various alarm outputs to the office alarm circuits, and charge and discharge fuse alarm
inputs
• TB4: various alarm outputs to the office alarm circuits, and LVD control and alarm
• TB5: various alarm outputs to the office alarm circuits, remote TR signal input, -48 V supply
to cabinet alarm lamp and various small loads, and AUX 1 and AUX 2 alarms inputs
• TB6: -48 V supply to office alarm circuits if required, VR+ and VR- inputs, and -48 V and
ground inputs
Refer to Figure 30 and Figure 31 for the pin assignment of terminal blocks TB1 to TB6.
TB2
J7 J6
TB1
J8
TB6
TB5
P1 P9 P7 P5
J1 J2
P3 P15 P13 P11
J3
TB4
P25 P23 P21 P19 P17
J5 J4
TB3
1
8
P2 P10 P8 P6 P4 P16 P14 P12 P22 P20 P18 P24 P26