NB: B4 is the shortest “last make, first break” sequenced signal pin
Blade Assignment
Function
Description
PB1, PB2, PB3
+12V GND
Main Output Voltage, Return
PB4, PB5, PB6
+12V OUT
Main Output Voltage
Signal Pin Assignment
Signal Name
Description
An input pulled up via an internal 10K ohm to the Standby rail. When pulled low (via an open collector/drain
A1
PS_ON_L
drive or connection to GND) the Main Output will be turned on/enabled)
A2
+12VRS_RETURN Main Output Remote Sense (-VE/Return)
A3
TEMP_OK
TTL compatible Logic HIGH provided when the temperature is within the allowable range of operation.
Internally connected to GND; when the power module is correctly seated the corresponding mating
A4
PS_SEATED
connector pin is grounded and therefore allows detection that the power module is in situ.
A5, B5, C5, D5
+VSB
Standby Voltage Output
A6, B6, C6, D6
+VSB GND
Standby Voltage Output, Return/GND
B1
AC_OK
Incoming AC Source voltage “OK” (present and within operational limits)
B2
+12VRS
Main 12V output remote sense line
B3
+12V_ISHARE
Main 12V output current share bus
B4
C1
C2
This is the shortest “last make, first break” (last to mate in the sequence).
If left open circuit then the main output will be inhibited (no output).
PS_INHIBIT/PS_KILL
When inserted in to the system slot this pin must be pulled “low” by the system to enable (turn on) the
Main output and only after all other pins are connected and the power module is correctly seated.
SDA
SCL
I
2
C Serial Data Line
I
2
C Serial Clock Line
Current (Amps per Pin)
30
30
N/A
N/A
N/A
2.0
2.0
N/A
N/A
N/A
N/A
N/A
N/A
www.murata-ps.com/support
D1U3CS-W-1300F-12-Hx4EC.A01
Page 3 of 5
D1U3CS-W-1300F-12-Hx4EC Series
81mm Front End AC-DC Power Converter
Signal Pin Assignment
C3
C4
D1
D2
D3
D4
MATING CONNECTOR
Supplier
FCI
Signal Name
PWR_GD
FAN_FAIL
A0
A1
S_INT
N/A
Description
Power Good signal. An active TTL HIGH signifies when the output is within regulation limits.
Fan Fail signal (failure or locked rotor)
I
2
C LSB (Least Significant Bit) Address Line
I
2
C MSB (Most Significant Bit) Address Line
System Interrupt
Reserved; no end user connection
Press Fit, Straight
---
Press Fit, Right Angle
51761-10002406AA
Solder Straight
---
Current (Amps per Pin)
N/A
N/A
N/A
N/A
N/A
N/A
Solder Right Angle
---
WIRING DIAGRAM FOR OUTPUT
Dotted lines show optional remote sense connections.
Optional remote sense lines can be attached to a load that is a distance
away from the power supply to improve regulation at the load.
+12VRS (Main Output Remote Sense)
+12V OUT
+12VRS (Main Output Remote Sense)
+12V OUT
B2
PB4-6
PB4-6
B2
D1U3CS
PB1-3
+12V GND
+12VRS_RETURN
+12V_ISHARE
12V load
+12V GND
+12VRS_RETURN
+12V_ISHARE
PB1-3
A2
B3
D1U3CS
A2
B3
A5,B5,C5,D5
A1
+VSB
PS_ON_L
+VSB load
FET, BJT, wire
or switch (debounced )
to turn on +12V main output
+VSB
PS_ON_L
A5,B5,C5,D5
A1
A6,B6,C6,D6
+VSB GND
+VSB GND A6,B6,C6,D6
B4
PS_INHIBIT/PS_KILL
PS_INHIBIT/PS_KILL
B4
CURRENT SHARING NOTES
1. Main 12VDC Output: Analogue active share bus. The ISHARE bus (Pin B3) must be connected on all sharing modules. It is not required that the SENSE signals are connected to the remote load for current share
to operate correctly.
2. Up to eight (8) power modules can be connected in parallel (non-redundant) or N+1 configuration. The current share bus is analogue bi-directional (can source or sink current from the ISHARE bus). The voltage
of the bus would measure 8VDC for a single power module at 100% load; for two (2) modules sharing a common load the ISHARE bus voltage would be 4V for a perfect 50/50 current share scenario.
3. VSTANDBY output power modules can also be connected in parallel and have internal output isolation devices; however the combined available power is limited to that available from a single power module
(3.3V or 5V; 20W) irrespective of the number of modules connected in parallel.
www.murata-ps.com/support
D1U3CS-W-1300F-12-Hx4EC.A01
Page 4 of 5
D1U3CS-W-1300F-12-Hx4EC Series
81mm Front End AC-DC Power Converter
MECHANICAL DIMENSIONS
Direction of Airflow
AC Input Connector/Inlet: IEC 60320-C14
Dimensions: 3.20" x 11.00" x 1.57" [81.3mm x 279.4mm x 39.9mm]
OPTIONAL ACCESSORIES
Description
D1U3CS-12 Output Interface Connector Card
APPLICATION NOTES
Document Number
ACAN-41
ACAN-49
Part Number
D1U3CS-12-CONC
Description
D1U3CS-12-CONC Output Interface Connector Card
D1U3CS-12 Communications Protocol
Link
www.murata-ps.com/data/apnotes/acan-41.pdf
www.murata-ps.com/data/apnotes/acan-49.pdf
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy:
Refer to:
http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
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