頁面 2, Internal logic connection, Jumper set-up – PowerWalker AS_400 Card User Manual

Page 2

Internal Logic Connection

Jumper Set-up

Below shows the circuit of basic application to implement
monitoring and control.

Application:

User Interface for 12V User Interface for 24V

IC controller of the card controls actions of 5 relays depending on the UPS status.
Active-Close(A.C) terminal and Active-Open(A.O) terminal of each relay
connect to pin 3 and pin 1 of a 3-pin connector respectively. The pin 2 of
the 3-pin connector connects to the signal pin of the DB9 interface connector.
The 2-pin jumper can be plugged to the 3-pin connector to either short-circuit
Pin1 & Pin2(A.C) or short-circuit Pin3 & Pin2(A.O).

Fig 2 Connection for ACTIVE CLOSE

Accordingly, if pin1 short-circuits with pin2 via the jumper, the status of dry contact
signal will be ACTIVE CLOSE, refer to Fig 2. When the signal is active, the signal pin
on the DB9 connector will connect with the common pin (pin5) via the relay.

Fig 1 Pin definition and internal logical connection

If pin3 short-circuit with Pin2(A.O) via the jumper, the status of dry contact signal
will be ACTIVE OPEN, refer to Fig 3. When the signal is active, the signal pin on the
DB9 connector will disconnect with the common pin (pin5) via the relay.

Fig. 3 Connection for ACTIVE OPEN

The 3-pin connectors can be easily
found just near to the relay. Refer
to Fig. 4.

There are AC and AO white silk printings
of the connector as shown in Fig. 5 to
indicate pin1&2 in A.C and pin2&3 in A.O.

Fig. 5 AO and AC silk printings

indicates each 3-pin connector status

Fig.4 AS400 card

To achieve ACTIVE CLOSE dry-contact
signal, the jumper should connect
the 2 pins(Pin1&2) as shown in Fig. 6.

Fig. 6 Jumper setting

for ACTIVE CLOSE

To achieve ACTIVE OPEN dry-contact signal,
the jumper should connect the middle pin
and the pin3 as shown in Fig. 7

Fig. 7 Jumper setting

for ACTIVE OPEN

Jumper function description

Description

UPS Alarm (DB9. P2)

UPS on (DB9.P8)

Bypass (DB9. P6)

Description

Low battery (DB9. P7)

Utility failure (DB9. P9)

UPS failure (DB9. P1)

UPS Failure

UPS Audible

Alarm

Remote Shutdown

Common

Bypass

Low Battery

UPS On

Utility Failure