PowerShield Internal Relay Comms Card with terminal connector [PSAS400T]

SPECIFICATIONS

Brand
POWERSHIELD

Model Number
PSAS400T

Internal circuit of DB-9 port
RS-232 port 
9-pin port

Electric Parameter of DB-9 port
Parameter
Resistor 
DC Current 
Symbol: IR 
Max : 6 
Min : 1 
Unit: mA

Diode 
Reverse Voltage
Symbol: VR 
Max: 6 
Min: -
Unit: V

Forward Current 
Symbol: IF 
Max: 50 
Min: - 
Unit: mA

Peak Forward Current
Symbol: IF (Peak)
Max: 1 
Min: - 
Unit: A

Relay DC Voltage 
Symbol: VDC
Max: 24
Min: - 
Unit: V

DC Current
Symbol: IDC
Max: 1
Min: - 
Unit: A

Weight    
0.15 kg

Dimensions    
160 × 125 × 50 mm

Pin Assignment
Pin Assignment Function I/O
Pin 1 UPS Failure O/P
Pin 2 UPS Audible Alarm O/P
Pin 3 GND (Common for Pin 4) Power Ground
Pin 4 Remote Shutdown I/P
Pin 5 Common for Relays Power Supply
Pin 6 Bypass Active O/P
Pin 7 Low Battery O/P
Pin 8 UPS On O/P
Pin 9 Utility Failure O/P
P.S. The shutdown pin (pin4 & pin3) only accepts 3-10s high level signal to perform the UPS shutdown.

Function Description
AC Status:Pin 1 & Pin 5 connected 
AO Status:Pin 1 & Pin 5 disconnected
Reason: UPS failure

AC Status:Pin 2 & Pin 5 connected 
AO Status: Pin 2 & Pin 5 disconnected 
Reason: UPS failure, utility failure, low battery, bypass active

AC Status: Pin 6 & Pin 5 connected 
AO Status: Pin 6 & Pin 5 disconnected
Reason: Bypass active

AC Status: Pin 7 & Pin 5 connected
AO Status: Pin 7 & Pin 5 disconnected
Reason: Battery voltage is low

AC Status: Pin 8 & Pin 5 connected
AO Status: Pin 8 & Pin 5 disconnected
Reason: UPS is in inverter mode
  
AC Status: Pin 9 & Pin 5 connected
AO Status: Pin 9 & Pin 5 disconnected
Reason: Utility failure