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Chapter 5 : Communication Interfaces
For the positions and functions of the communication interfaces, please refer to the following descrip-
tion.
(20kVA Model)
MINI SLOT
SMART SLOT
PARALLEL
PARALLEL
PARALLEL
RS232
SWITCH
1 2
ON
1
1
2
2
3
3
4
4
5
5
6
6
1
1
2
2
OUTPUT
INPUT
CHARGER
REPO
DRY CONTACT
DRY CONTACT
DETECTION
I
ON
I
ON
I
ON
I
ON
I
ON
I
ON
ON
I
I
ON
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
R
S
T
N
R
S
T
N
MAIN INPUT BREAKER
BYPASS INPUT BREAKER
-
+
N
R
S
T
N
AC INPUT
240V DC 240V DC
BATTERY INPUT
NOTe:
1. The UPS can still function properly without making the connections below.
2. You can use all of the communication interfaces at the same time and it will not influence
each interface's function.
SMART Slot
1
Install an SNMP card in this SMART slot to remotely control and monitor the UPS status via a net-
work. You can also insert the Relay I/O or ModBus card in this slot to let the UPS have dry contact
and ModBus communication functions respectively.
MINI Slot
2
This MINI slot is for mini cards. You can install a Delta Mini SNMP, Mini Relay I/O, Mini USB, Mini
ModBus, or Mini TVSS card in this slot to give the system network communication, dry contact,
USB communication, ModBus communication, and surge protection functions respectively. Please
Ultron HPH Series UPS
MANUAL BYPASS SWITCH
WARNING:
OPENING THIS COVER PLATE WILL
CAUSE INVERTER SHUTDOWN. ONLY
AUTHORIZED SERVICE PERSONNEL
CAN OPEN AND OPERATE IT.
SMART SLOT
R
S
T
OUTPUT BREAKER
R
S
T
N
UPS OUTPUT
PARALLEL
1
1
2
2
3
3
OUTPUT
DRY CONTACT
(Figure 5-1: Communication Interfaces)
1
3
4
PARALLEL
PARALLEL
SWITCH
1 2
ON
4
4
5
5
6
6
1
1
2
2
INPUT
REPO
DRY CONTACT
6
7
16
(30/ 40kVA Model)
2
SMART SLOT
PARALLEL
1
1
2
2
3
3
4
4
5
5
OUTPUT
DRY CONTACT
MINI SLOT
I
ON
O
OFF
5
R
+
240V DC
BATTERY INPUT
RS232
CHARGER
DETECTION
8
9
MINI SLOT
PARALLEL
PARALLEL
RS232
SWITCH
1 2
MANUAL BYPASS SWITCH
ON
6
6
1
1
2
2
WARNING:
OPENING THIS COVER PLATE WILL
INPUT
CHARGER
REPO
CAUSE INVERTER SHUTDOWN. ONLY
DRY CONTACT
DETECTION
AUTHORIZED SERVICE PERSONNEL
CAN OPEN AND OPERATE IT.
I
ON
I
ON
I
ON
I
ON
I
ON
I
ON
I
ON
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
O
OFF
N
S
T
N
R
S
T
R
S
T
MAIN INPUT BREAKER
BYPASS INPUT BREAKER
OUTPUT BREAKER
-
N
R
S
T
N
R
S
T
N
AC INPUT
UPS OUTPUT
240V DC
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