g

4 CUSTOMER INTERFACE

GE

4.1CUSTOMER INTERFACE

 

 

Serial port J3 - RS 232 (sub D - female 9 pin)

4 3 2 1

XA

 

Suitable for JUMP protocol

 

Pin 2: TX (out)

Pin 3: RX (in)

Pin 5: GND

 

 

12

1

 

13

2

 

14

3

 

15

4

 

16

5

 

17

6

X1

18

7

19

8

 

20

9

 

21

10

 

22

11

 

1

 

 

 

 

 

2

 

 

JP3

J2

14

1

9

J3

1

J5

J4

SGS_225-300_Customer interface_01

J2 (subD-female 25p) – Output signals on voltage free contacts

J2/1, 2, 3

-

NO, C, NC

-

Utility Failure

(def. Param. RL=1)

J2/4, 5, 6

-

NO, C, NC

-

Load on Inverter

(def. Param. RL=3)

J2/7, 8, 9

-

NO, C, NC

-

Stop Operation

(def. Param. RL=5)

J2/14, 15, 16

-

NO, C, NC

-

Load on Utility

(def. Param. RL=2)

J2/17, 18, 19

-

NO, C, NC

-

General Alarm

(def. Param. RL=4)

J2/20, 21, 22

-

NO, C, NC

-

Acoustic Alarm

(def. Param. RL=6)

 

 

 

 

Signals on terminals X1 and on connector J2 are in parallel

 

 

and therefore not separated galvanically from each other.

 

The programmable signals on X1 and J2 will be disabled with Q1 open, with the exception of the signals for “16 - Manual Bypass ON” and “26 - EPO”.

XB - Terminals for EPO connection

X2 / 1, 2 or J2 / 12, 25NC EPO (Emergency Power Off)

Note: to enable this function, remove cable short-circuiting XB / 2 – 3 and the Jumper JP3 on P4 – Customer Interface.

X1 – Output signals on voltage free contacts - terminals

X1/1, 2, 3

-

NO, C, NC

-

Utility Failure

(def. Param. RL=1)

X1/4, 5, 6

-

NO, C, NC

-

Load on Inverter

(def. Param. RL=3)

X1/7, 8, 9

-

NO, C, NC

-

Stop Operation

(def. Param. RL=5)

X1/12, 13, 14

-

NO, C, NC

-

Load on Utility

(def. Param. RL=2)

X1/15, 16, 17

-

NO, C, NC

-

General Alarm

(def. Param. RL=4)

X1/18, 19, 20

-

NO, C, NC

-

Acoustic Alarm

(def. Param. RL=6)

4

3

2

1

X1/10, 21 or J2/10, 23

Input contacts

 

Programmable (default = RL1)

 

 

 

XB

 

 

 

X1/11, 22 or J2/11, 24

Programmable / Generator ON (NO) (def. = RL2)

Fig. 4.1-1

Customer interface

NO = normally open

C = common

NC = normally closed

The connectors J4 and J5 can be used for additional SNMP Card, Environmental Card (not available yet) or an additional Customer Interface (installation only when the UPS is switched Off).

XA: terminals for 24VDC Auxiliary Power Supply connection.

XB: terminals for EPO connection.

 

 

 

 

 

 

Programmable user relays

 

Programmable functions on contacts (X1 - J2)

 

On terminals X1 or J2 connector, six of the following 26

 

Some UPS functions can be activated with

 

signals can be selected from the display, entering with the

 

parameters when an external Normally Open

 

appropriate password.

 

 

contact is closed on:

 

 

0- No Information

14- Rectifier Utility Failure

 

 

 

 

X1-10, 21 / J2-10, 23

or X1-11, 22 / J2- 11, 24

 

1- Buzzer

15- Battery Discharge

 

 

 

Selectable functions by changing parameters

 

2- General Alarm

16- Manual Bypass ON

 

 

3- Load on Utility

17- Rectifier ON

 

(password required) are:

 

4- Stop Operation

18- Inverter ON

 

0 - No function

1 - Inverter ON

 

5- Load on Inverter

19- Boost Charge

 

2 - Inverter OFF

3 - Print All

 

6- Utility Failure

20- Battery Earth Fault

 

4 - Status Relay

5 - Generator ON

 

7- DC Over Voltage

21- Battery Fault

 

6 - External Bypass ON

 

8- Low Battery

22- Relay Input 1

 

 

 

7 - External Battery Fuses, or External K3.

 

9- Overload

23- Relay Input 2

 

 

 

 

See Alarm 4104 - “Battery Fuses”.

 

10- Over Temperature

24- Relay Output ON

 

 

 

 

Voltage free contacts: Max. DC / AC: 24V / 1.25A

 

11- Inverter-Utility not syncr.

25- Relay Output OFF

 

 

12- Bypass Locked

26- EPO (Emergency

 

 

 

IEC 950 (SELV circuit)

 

13- Bypass Utility Failure

Power Off)

 

 

 

Min. Signal Level: 5VDC/50mA

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Installation Guide SG Series 225 & 300 kVA