
16
SALICRU
6.6. CONTROL AND COMMUNICATION CABLES
The front panel of the bypass module provides dry contact inter-
face (J2-J11) and communication interface (RS232, RS485, SNMP
,Intelligent card interface and USB port), as it is shown in Fig. 24.
1
2
3
4 5
6
1- Dry Contact Interface
2- SNMP card
3- Intelligent Slot
4- USB Port
5- RS-232
6- RS-485
Fig. 24.
Dry contact &communication interface .
•
Battery Warning Output Dry Contact Interface
The input dry contact J2 and J3 can detect the temperature
of batteries and environment respectively, which can be used
in environment monitoring and battery temperature compensa-
tion.
Interfaces diagram for J2 and J3 are shown in Fig. 25, the de-
scription of interface is in Table 4.
J2
J3
TE
M
P_
BA
T
TE
M
P_
EN
V
Fig. 25.
J2 and J3 for temperature detecting
Port
Name
Function
J2-1
TEMP_BAT
Detection of battery
temperature
J2-2
TEMP_COM
common terminal
J3-1
ENV_TEMP
Detection of
environmental
temperature
J3-2
TEMP_COM
common terminal
Table 4.
Description of J2 and J3.
•
Remote EPO Input Port
J4 is the input port for remote EPO. It requires shorting NC and
+24V and disconnecting NO and +24V during normal operation,
and the EPO is triggered when opening NC and +24V or shorting
the NO and +24V. The port diagram is shown in Fig. 26, and port
description is shown in Table 5.
Fig. 26.
Diagram of input port for remote EPO
Port
Name
Function
J4-1
REMOTE_EPO_NC
Trigger EPO when
disconnect with J4-2
J4-2
+24V_DRY
+24V
J4-3
+24V_DRY
+24V
J4-4
REMOTE_EPO_NO
Trigger EPO when
connect with J4-3
Table 5.
Description of input port for remote EPO.
•
Aux. contact external manual bypass Input Dry Con-
tact
The default function of J5 is the interface for external manual
bypass J5 Connect pin 2 of J5 with +24V power supply; it indi-
cates that the external manual bypass MCB has been connected
and the load are supplied the mains. The interface diagram is
shown in Fig. 27, and interface description is shown in Table 6.
J5
GEN
+24V
AUX-N.O.
AUX-N.O.
Generator
Fig. 27.
Diagram of aux. contact external manual bypass
MCB