Unique Broadband Systems Ltd. DRU2KW User Manual

Manual No. x75mk3-11

x75-man-Rev11-0815.indd

 

Connection to the Form-C alarm relay outputs is made through a 15-way spring 

clamp terminal connector.  There are a total of 4 relay outputs with Normally Open, 

Normally Closed and Common Contacts available for connection.  The individual 

relays contact sets are fully isolated and may be floated from GROUND by up to 100V.  

Maximum contact current and voltage are 1A and 30V (DC or AC) respectively.

 

This connector accommodates wire sizes in the range #28 to #20AWG.

 

The alarm relays are designated K1 to K4.  K1 and K2 are pre-programmed for 

MAJOR and MINOR alarm conditions by default.  K3 and K4 are not programmed 

for any alarm function.

 

The function of each alarm may be programmed using the Alarm Configuration 

WEB page described later in section 13.

 

Connection of the supplied battery temperature probe, if required, is made using 

terminals 1 and 3 of this same spring clamp terminal connector.

TERMINAL FUNCTION

1

BATT. TEMP. PROBE -

2

Not Used

3

BATT. TEMP. PROBE +

4

K1 - MAJ ALARM – N/C

5

K1 - MAJ ALARM – COM

6

K1 - MAJ ALARM – N/O

7

K2 - MIN ALARM – N/C

8

K2 - MIN ALARM – COM

9

K2 - MIN ALARM – N/O

10

K3 – FREE ALARM – N/C

11

K3 – FREE ALARM – COM

12

K3 – FREE ALARM – N/O

13

K4 – FREE ALARM – N/C

14

K4 – FREE ALARM – COM

15

K4 – FREE ALARM – N/O

Note that terminal 1 is to the left when viewed from the rear of the system.