POWERBOX
Industrial Line
OFI1200A Series
1200W Single output
AC/DC Baseplate power supply
4
www.prbx.com
2022.07.21
Specifications are subject to change without notice.
3.3 Wiring function connector
Fig. 3.1 shows the pin assignment and Table 3.2 states the pin
configuration of function connector X506 and X507.
Fig. 3.1 X506 and X507 Pin assignment
Table 3.2 Function of connector X506 and X507
Pin No.
Name
Function
1
CB
Refer to Section 5.2
2
-S
Refer to Section 4.8
3
PG
Refer to Section 4.10
4
RC1
Refer to Section 4.7
5
ITRM
Refer to Section 4.9
6
VTRM
Refer to Section 4.6
7
NC
8
PGG
Refer to Section 4.10
9
+S
Refer to Section 4.8
10
RC2
Refer to Section 4.7
<Connector information>
Part number
: 87831-1041 (Molex)
<Appropriate mating connector and pin>
Part number
: 51110-1056 (Molex)
Pin
: 50394-8051 (Molex)
For connecting X506 and X507, H-SN-61 (Manufactured by Cosel) is
available.
https://en.cosel.co.jp/product/optionparts/H-SN-61/
Remarks:
- An incorrect connection of functional connector may cause damage
on an internal circuit. Make sure the connection is properly made.
3.4 Jumper factory setting
Jumpers on X503, X504 and X601 are placed as shown in Fig. 3.2 at
the factory.
Fig. 3.2 Jumper placement at factory
3.5 Output ripple and ripple noise measurement
The specified ripple and ripple noise are measured by the method
shown in Fig.3.3.
Fig.3.3 Method of Measuring Output ripple and ripple noise
Remarks:
- When the ambient temperature is lower than -20
°
C, the output ripple
may become unstable during heating up.
4. Functions
4.1 Input voltage range
The unit operates with an input voltage range between 85 - 305 Vac.
The voltage range for a valid safety approval is 100 - 277 Vac
(50/60Hz).
Remarks:
- Be aware that use of voltages other than those listed above may
result in the unit not operating according to specifications or may
cause damage or dangerous situations. Avoid square waveform input
voltage, commonly used in UPS and inverters.
4.2 Inrush current limiting
There is a built-in inrush current limiting circuit.
If a switch is needed on the input side, select one that can withstand
the input inrush current.
The thyristor technique is used in the inrush current limiting circuit.
Avoid repeatedly turning the power ON/OFF within a short period of
time, operates the inrush current limiting becomes inoperative.
When the input power is turned on, the primary inrush current and
secondary inrush current will be generated due to the thyristor
technique used for the inrush current limiting circuit.
OFI1200A
Load
C1
C2
+Vout
-Vout
300mm
Oscillo
scope
+
1.5m 50
Ω
Coaxial Cable
C3
R
C1 : 0.1uF
C2 : 47uF
C3 : 4,700pF
R : 50
Ω
9
10
2
1
Inp
u
t
O
utp
ut
CB
PG
ITRM
NC
+S
-S
RC1
VTRM
PGG
RC2
