Galaxy PW™ UPS 100 to 225kVA

3.8.2Connection of the Battery "Temperature Monitor"

This unit must be connected to the XR2 connector on the remote indications "Media Contacts 11" board of the UPS cabinets. For the location of the "Media Contacts 11" board, marked "O" see Figure 2-3, page 2—5.

Use a shielded cable made up of 2 twisted telephone pairs with a conductor cross-section of at least 0.1 mm2, not longer than 100 m in length. Do not forget to connect the cable shield to ground pin 12 on connector XR2;

In the case of a parallel UPS configuration, the connections between cabinets may be made by means of a shielded cable made up of 1 or 2 twisted telephone pairs. In this case, the total length of all the connecting cables must not exceed 100 m;

A "Temperature Monitor" unit can be connected to several UPS cabinets only when the batteries of these cabinets are located in the same room at the same ambient temperature.

Figure 3-11: Single UPS Unit Connection of the Battery "Temperature Monitor".

Battery Temperature Monitor

 

Shielded cable

 

 

 

 

(2 twisted

 

 

 

 

telephone pairs)

DC +

 

 

 

DC-

 

 

 

XR2XR1 -12+12(unit shown open)

XR2 connector on 'Media Contacts 11' Board:

12

 

 

 

each

 

 

 

11

 

 

 

 

10

 

 

 

 

9

 

 

 

 

8

 

 

 

 

7

-12V

 

 

6

power supply

5

+12V

 

 

4

 

DC +

temperature

3

 

DC -

 

signal

2

 

 

 

 

 

 

1

 

 

 

 

Refer to Appendix C for link-up options using an IBM AS400 computer for additional monitoring capability.

3 — 12

Installation

86-133060-00 A00