Rear Panel; Figure 29 Terminal Blocks And Connectors Layout At The Rear Of The Conventional Controller - Liebert 1500 User Manual

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

TB1
TB2
J7
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.
32 Operation
TB3
P26 P24 P22 P20
P25 P23 P21
J6
J5
TB4 TB5
J8
P18 P16 P14 P12 P10
P19 P17 P15 P13 P11 P9
J4 J3 J2
TB6
1
P8 P6 P4 P2
8
P7 P5 P3 P1
J1