Critical Power
Modifications reserved
Page 39/43
GE_UPS_ISG_LPS_3UL_20K_30K_2US_V010.docx
Installation Guide
LP33 Series 20 & 30 UL S2
5.4
CUSTOMER INTERFACE BOARD (OPTION)
WARNING !
The installation and cabling of the options must be performed by
QUALIFIED SERVICE PERSON.
Fig. 5.4-1 Customer Interface
C
=
Common
NO
=
Normally Open
NC
=
Normally Closed
Serial port J3 - RS232 (sub - D - female 9 pin)
Total remote management of the system using
software
GE Power Diagnostics, GE Data Protection
or
GE Service Software
for system protection and
management of the UPS systems.
Pin 2
: TX (out)
Pin 3
: RX (in)
Pin 5
: GND
J2 (sub – D female 25p) – Output signals on voltage-free contacts
J2 / 1, 2, 3
NO, C, NC
Utility failure
J2 / 4, 5, 6
NO, C, NC
Load on inverter
J2 / 7, 8, 9
NO, C, NC
Stop operation
J2 / 14, 15, 16
NO, C, NC
Load on utility
J2 / 17, 18, 19
NO, C, NC
General alarm (NO)
J2 / 20, 21, 22
NO, C, NC
Buzzer
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
24 – Relay output ON
25 – Relay output OFF
26 – EPO
X1 – Output signals on voltage-free contacts
X1 / 1, 2, 3
NO, C, NC
Utility failure
X1 / 4, 5, 6
NO, C, NC
Load on inverter
X1 / 7, 8, 9
NO, C, NC
Stop operation
X1 / 12, 13, 14
NO, C, NC
Load on utility
X1 / 15, 16, 17
NO, C, NC
General alarm (NO)
X1 / 18, 19, 20
NO, C, NC
Buzzer
X2 – Terminals EPO connection (Emergency Power Off)
X2 / 1, 2
or
J2 / 12, 25
NC
EPO (Emergency Power Off)
To enable this function, remove jumper
JP3
on the
Customer
Interface
and the cable on the terminal
X2 / 1, 2.
(See
Fig. 5.4-1).
Verify if the cable on the terminal
X7 / 1, 2
and jumper
JP8
on the
P2 – Mainboard
are OFF
(see
Fig. 5.4-3).
Programmable functions on input contacts
X1/10, 21
or
J2/10, 23
Programmable
X1/11, 22
or
J2/11, 24
Programmable / Generator ON (NO)
LPS33
U_Cus
tomer
interfa
ce_0
1
1
2
3
4
5
6
7
8
9
10
11
16
15
14
13
12
22
21
20
19
18
17
J3
J2
X1
2
1
JP3
X2
