GE Industrial Solutions CP2000DC54-PE User Manual



GE

CP2000DC54-PE Compact Power Line DC/DC Converter

Input: -40 to -72Vdc; Outputs: ±54 Vdc @ 2000W; 5 Vdc @ 4W

Features

 Compact 1-RU form factor providing 22 W/in3
 Input Current < 60A at 40 Vdc input
 Programmable output voltage from 44V to 58 Vdc,
 Output defaulted to 54V

1

and PMBus compliant dual I2C serial bus communications

chassis/signals for POE applications. (see ordering info)

redundant +5V Aux power, isolated signals and I

‡

0805-1 Licensed to IEC60950-1

VDE

POE compliant to IEEE802.3af

Applications

48Vdc distributed power architectures


 Power over Ethernet
 Routers/Switches
 VoIP/Soft Switches
 LAN/WAN/MAN applications
 File servers
 Indoor wireless
 Telecommunications equipment
 Enterprise Networks
 SAN/NAS/iSCSI applications
 Advanced workstations

Description

 RS485
 Designed to IEEE802.3af Compliance, 2250 output*** isolation to

 DC Output over-voltage and over-current protection
 DC Input over-voltage and under-voltage protection
 Over-temperature warning and protection
 Redundant, parallel operation with active load sharing and isolated

 Remote ON/OFF
 Hot insertion/removal (hot plug)
 Four front panel LED indicators
 UL* Recognized to UL60950-1, CAN/ CSA

 CE mark meets 2006/95/EC directive
 Internal variable-speed fan control
 RoHS 5 compliant

Data Sheet

2

C communications

†

C22.2 No. 60950-1, and

§

The CP2000DC54-PE DC/DC Converter, also called a Power Entry Module (PEM) in the Compact Power Line platform is
specifically designed to operate as an integral part of a complete distributed power system. The high-density, front­to-back airflow PEM is designed for minimal space utilization and is highly expandable for future growth. It is provided
with many features including PoE isolation, and dual-redundant I
a broad range of applications. These signals and the 5V auxiliary supply are isolated from the main output and frame
ground. The flexible feature set makes this Power Entry Module an excellent choice for applications requiring modular
dc-to-dc bulk intermediate voltages, such as in distributed power.

* UL is a registered trademark of Underwriters Laboratories, Inc.
† CSA is a registered trademark of Canadian Standards Association.
‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V.

§ This product is intended for integration into end-user equipm ent. All the required procedures for CE marking of end-user equipment should be followed. (The CE mark is placed on selected products.)
** ISO is a registered trademark of the International Organization of Standards.

2

C communications busses that allow it to be used in

1

Introduced in 2011

August 20, 2013 ©2013 General Electric Company. All rights reserved. Page 1



GE

CP2000DC54-PE series dc-dc converter

Input: -40Vdc to -72Vdc; Outputs: ±54Vdc @ 2000W; 5Vdc @ 4W

Electrical Specifications

Input

Parameter Min Typ

Operating Voltage -40 -72 Vdc

Low Input Shutdown of Main
output

Input Turn-ON of both Outputs -43

Reverse Input Voltage The module shall not be damaged

Idling Power Output OFF
Output ON

Input Current 60 Adc At input voltages > 40Vdc

Cold Start Inrush Current

Efficiency

-38.5 -39 -39.5 Vdc

-43.5 -44

35

88
82

90
84

Max

60

60

Units

Vdc

Adc

5Vdc output at no-load

W

Both outputs at no-load

Measured at 25C for all line conditions. Does not include X­capacitor charging spike

From 75% to 100% of full load

%

For loads > 25% of full load

Data Sheet

Notes

Holdup Time 8 ms Minimum Vin = 48Vdc, output at ½ Full Load, output can

Ride Through 8 ms

Input Capacitance

25

droop down to -40Vdc

F

Main Output

Parameter Min Typ

Maximum Output Power 2000 W At voltages > 54Vdc

Output Voltage Setpoint 54 Vdc Output floats with respect to frame ground.

Voltage Regulation
Set Point at 50% FL
Set Point Tolerance
Set Point Regulation
Droop Regulation
Droop Accuracy

Output Voltage Range 44 58 Vdc

Output Current 0.1 37

Reverse (sink) output current 0.5 A Isolation function provided

Active Current Share -5

Passive Current Share -15

Output Ripple (5 to 20MHz)
RMS
Peak-to-Peak

External Bulk Load Capacitance

-0.5

-1

-5

0 5,000

54

1

Max

0.5
1

5

5 %FL

+15 %FL

250
500

Units

Vdc

%
%

Vdc

%

A

mVrms

mVpk-pk

F

Notes

Resets to factory setting if power is removed

All conditions (temp, line, drift)
Linear from 1 to 39 A.
All conditions (temp, line, drift)

2

Set either by I

At 54Vdc. Below 0.1A the module meets its regulation
requirements.

Single-wire connection. Loads > 25%FL

Between modules without the single wire connection.
Loads > 25%FL

Measured with 20MHz bandwidth under any condition of
loading. Minimum load is 1A.

External capacitance can be increased but the power
supply will not meet its turn-ON rise time requirement.

C, or analog margining.

August 20, 2013

©2013 General Electric Company. All rights reserved. Page 2

GE

Data Sheet

CP2000DC54-PE series dc-dc converter

Input: -40Vdc to -72Vdc; Outputs: ±54Vdc @ 2000W; 5Vdc @ 4W

Electrical Specifications (continued)

Output (continued)

Parameter Min Typ Max Units

Turn-On

Delay
Rise Time
Overshoot

Restart Shutdown Delay

Load Step Response

I
V
Response Time

3

Overload

Current Limit
Shutdown

System Start-up A 20 second shutdown delay is implemented to allow modules to be plugged in one at a time. During this time

Over-voltage

Delayed
Instantaneous
Latchoff

Over-temperature

Warning

Shutdown

Auto-recoverable

2

5

500

20

38.9

fold-down occurs but the module will not shut down below 39Vdc.

Three restart attempts are implemented within a one minute window prior to a latched shutdown when Vout
< 65Vdc. Beyond 1 minute the counter restarts

20

Temperature hysteresis of approximately 10°C provided between shutdown and restart.

2.0
2

5

Auxiliary Output

Parameter Min Typ Max

ON when the input voltage is -26 -72 Vdc

Output Voltage Setpoint 5.2 Vdc

Output Current 0.005 0.75 A

Overall Regulation -5 +5 %

Ripple and Noise 50 100

Over-voltage Clamp 7 Vdc

Over-current Limit 110 175 %FL

Isolation from the main output 2250 Vdc

Isolation from frame ground 50

5

50

43
39

60
65

s

ms

%

S

%FL

Vdc

ms

Adc
Vdc

Vdc
Vdc

°C

°C

Units

mVpk-pk

25

mVrms

Vdc A 1M noise suppression resistor is connected between

Notes

Monotonic Turn_On after detection of valid DC input voltage.
Measured from 30% to 100% of Vnom.

Shutdown is delayed during a re-start in order to guarantee restart
of multiple paralleled modules.

I/t slew rate 1A/µs.
Settling time to within regulation requirements.

Fold-down.
Default state – hiccup mode

200msec delayed shutdown implemented.
Latched shutdown without hiccup.

Implemented prior to commencement of an OT shutdown
Below the maximum rating of the device being protected

Notes

Isolated from the main output to meet POE requirements.
50mA dedicated for powering adjacent PEMs during a fault.
700mA available for external use.

20MHz bandwidth. Measured across a 1F tantalum and a

0.1F ceramic capacitor

Logic_GRD and Frame_GRD.

2

Below -5C the rise time is approximately 5 minutes to protect bulk capacitors in the unit

3

Hiccup performance attempts automatic recovery from an overload shutdown with approximately a 90% off-time duty cycle. The duty cycle

varies periodically in order to guarantee multi-module recovery synchronization. Latchoff can be chosen via software instead of the default
hiccup. Recovery from a latchoff requires ENABLING, or software commanding OFF followed by an ON after a 2 second delay.

August 20, 2013

©2013 General Electric Company. All rights reserved. Page 3

GE

Data Sheet

CP2000DC54-PE series dc-dc converter

Input: -40Vdc to -72Vdc; Outputs: ±54Vdc @ 2000W; 5Vdc @ 4W

Mechanical, Environmental and EMC

Dimensions (nominal)

Length (in./mm) 13.85 / 351.8

Width (in./mm) 4.00 / 101.6

Height (in./mm) 1.66 / 42.2

Weight (lb/kg) 4.6 / 2.1

Environmental

Parameter Min Typ

Ambient Temperature
Operating
Ambient Derating
Power Derating

Storage Temperature -40 85 °C

Humidity 5 95 % Relative humidity, non-condensing

Shock and Vibration
Operational Test
Test Levels
Drop and Tip Over

Earthquake Rating 4 Zone Per Telcordia GR-63-CORE, all floors, when installed in CP Shelf.

2

4

-5

EMC, Performance

Parameter Min Typ

Radiated Emissions5 FCC and CISPR22 (EN55022) - Class A3

Conducted Emissions - dc Telcordia GR-1089-CORE and CISPR22 (EN55022) - Class A

ESD Error free per EN/IEC 61000-4-2 Level 4 (8 kV contact discharge, 15 kV air discharge).

Radiated Immunity Error free per EN/IEC 61000-4-3 Level 3 (10 V/m).

Differential mode surge 100 Vdc ANSI T1.315, No errors

Differential mode surge transient 1000 Vdc

Common mode surge
(1.2/50s pulse)

Conducted Immunity Error free per EN/IEC 61000-4-6 Level 3 (10Vrms).

Reliability (calculated) 400,000 Hours

Isolation
Input-Chassis/Signals
Input-Output/Signals
Output-Chassis/Signals
Main-Aux Outputs

Service Life 10 Years 25°C ambient, full load excluding fans.

Acoustic Noise 55 dBA Noise is proportional to fan speed, load and ambient temperature.

1000 Vdc

1700
2250
2250
2250

Specifications

Max Units

1

Vdc

45

1

°C
°C

%/°C

Max Units

Air inlet from sea level to 5,000 feet.
Per 1,000 feet above 5,000 feet.
Up to 55°C

IEC 68-2
IEC 721-3-2
IEC 68-2-31

No errors. IEEE C62.41 defined pulse transient

At ambient of 25°C at full load per Telcordia SR-332, Reliability
Prediction for Electronic Equipment, Method I Case III.

Per EN60950.

Per IEEE802.3af.

Notes

Notes

4

Designed to start at an ambient as low as -40°C, but may not meet operational limits until above -5°C.

5

Radiated emissions compliance was met using a Lineage Power shelf. This shelf includes output common and differential mode capacitors that

assist in meeting compliance.

August 20, 2013

©2013 General Electric Company. All rights reserved. Page 4

GE

CP2000DC54-PE series dc-dc converter

Input: -40Vdc to -72Vdc; Outputs: ±54Vdc @ 2000W; 5Vdc @ 4W

Status and Control

The PEM provides two means for monitor/control: analog or I2C.

Details of analog controls are provided in this data sheet under
Signal Definitions. GE Energy will provide separate application
notes on the I

2

C protocol for users to interface to the CPL PEMs.

Contact your local GE Energy representative for details.

Hot Plug

When rapidly extracting and reinserting modules care should be
taken to allow for discharging the internal bias supply so that a
predictable restart could be achieved. The way to ensure that the
circuit sufficiently discharges is to observe the spinning of the fans
after an extraction. The unit should not be reinserted until the fans
stop spinning.

Without bleeding down internal bias the module may remember
its last assigned address and may not configure itself properly if
reinserted into another slot.

Control Definitions

All signals are referenced to Logic_GRD unless otherwise noted.
See the Signal Definitions Table at the end of this document for
further description of all the signals.

Control Signals

Margining: Set point of the PEM can be changed via this input pin.

Programming can be either a voltage source or a resistance
divider. The margining pin is connected to 3.3Vdc via a 10k
resistor inside the PEM. See graphs below.

-58

)
c
d
V

(
t

-46

n

i
o

-44

p

t
e
S
t
u
p

t
u

O

0

0.1

Vcontrol

3.3Vdc

k
0
1

m
a

r
g
o

r
p
V

An open circuit on this pin reverts the voltage level back to the
original setting.

Software commanded margining overrides the hardware set
point indefinitely or until the default setting is reinstated for
example if input power and bias power have been removed from
the module.

Module Present Signal: This signal has dual functionality. It can

be used to alert the system when a module is inserted. A 500
resistor is present in series between this signal and Logic_GRD. An
external pull-up should not raise the voltage on the pin above

0.25Vdc. Above 1Vdc, the write_protect feature of the EEPROM is
enabled.

Protocol Select: Establishes the communications mode of the

power supply, between analog/I
connect 10k pull-down resistor to 54_OUT(-DC).

Enable: On/Off control when I

configured by the Protocol pin. This pin must be pulled low to turn

ON the power supply. The power supply will turn OFF if either the
Enable or the ON/OFF pin is released. This signal is referenced to

Logic_GRD.

ON/OFF: This is a short pin utilized for hot-plug applications to

ensure that the power supply turns OFF before the power pins are
disengaged. It also ensures that the power supply turns ON only
after the power pins have been engaged. Must be connected to
V_OUT (-DC).

Status Signals

Power_OK: This signal is HI when the main output is present and

goes LO when the main output is not present.

I_limit: This signal is HI when the main output is not in current

limit and goes LO when current limit has activated.

Alert #: I

2

C interrupt signal.

Fault: This signal goes LO for any failure that requires PEM

replacement. Some of these faults may be due to:

Fan failure
Over-temperature condition
Over-temperature shutdown
Over-voltage shutdown
Internal PEM Fault

Data Sheet

2

C and RS485 modes. For RS485,

2

C communications are utilized as

August 20, 2013

©2013 General Electric Company. All rights reserved. Page 5