XRM 50W X-RAY

POWER SUPPLY
SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION

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! Not intended for new designs

• OUTPUT VOLTAGES FROM 25KV TO 65KV

• ADJUSTABLE INTEGRATED FILAMENT SUPPLY
• OVERVOLTAGE & SHORT CIRCUIT PROTECTION
• VOLTAGE & CURRENT PROGRAMMING
• LOCAL AND REMOTE EMISSION CONTROL
• SAFETY INTERLOCK
• OEM CUSTOMIZATION AVAILABLE
www.spellmanhv.com/manuals/XRM

Spellman’s XRM Series of regulated X-ray power supplies Voltage Regulation:

offer output voltages to 65kV and incorporate a filament Load: 0.01% of output voltage no load to full load.
supply which provides regulated dc current adjustable Line: ±0.01% for ±10% change in input voltage.
between 0.3A and 3.5A at 5.5V. High voltage and filament Current Regulation:
current can be linearly ramped up. The XRM incorporates Load: 0.01% of output current from 0 to rated voltage.
local and remote programming, monitoring, safety interlock, Line: 0.01% of rated current over specified input range.
short-circuit and overload protection. Ripple:
0.25% p-p of output voltage.
TYPICAL APPLICATIONS
Temperature Range:
Powering grounded cathode X-ray tubes from 0°C to +50°C operational
Kevex, Oxford, RTW, Superior, Varian and Trufocus. Temperature Coefficient:
0.01% per °C, voltage or current regulated.
OPTIONS Stability:
AC AC Filament 0.05% per 8 hours after 1/2 hour warm-up.
CPC Constant Power Voltage and Current Monitors:
0 to +10Vdc proportional from 0 to rated output.
BIAS Bias Supply Accuracy ±1%.
TP(x) Alternate Test Point Scaling
Dimensions:
6.3”H x 3.937”W x 10”D (16cm x 10cm x 25.4cm).
SPECIFICATIONS Connectors:
Input: HV Output Connector: Delrin type connector, recessed.
+24Vdc±10%, 4.25A maximum. Cable assembly with mating connector 39.4in (1m).
I/O Connectors: 9 pin mini D-type Phoenix connector for
Output: power, filament and monitor connections.
4 models with positive output polarity and adjustable
voltages from zero to maximum voltage and current. Remote Programming:
(P/O 9 pin “D” analog control interface) Permits remote
Voltage Control: adjustment of the output voltage and current via an external
Local: Internal multi-turn potentiometer to set voltage
potentiometer and the internal +10V reference. By adjusting
from 0 to full output voltage.
Remote: 0 to +10Vdc proportional from 0 to full output voltage. the potentiometer from minimum to maximum, the desired
Accuracy: ±1%. ZIN: 10Mohm. output may be selected.
Emission Control: Remote Monitor:
Local: Internal potentiometer to set beam current Test points are made available at J4 for monitoring voltage
between 0 and full output. and current outputs. The output polarity is positive from
Remote: 0 to +10Vdc proportional from 0 to full output current. 0 to 10V equal to 0 to 100% of the output.
Accuracy : ±1%. ZIN: 10Mohm. Regulatory Approvals:
DC Filament Supply: Compliant to 2004/108/EC, the EMC Directive
Current: 3.5A, adjustable and 2006/95/EC, the Low Voltage Directive.
Voltage: 5.5V Compliant to 2002/95/EC, RoHS.

Corporate Headquarters For locations worldwide

Hauppauge, New York USA
+1-631-630-3000 FAX: +1-631-435-1620
www.spellmanhv.com 128014-001 REV. J

e-mail: sales@spellmanhv.com Spellman High Voltage is an ISO 9001:2008 and ISO 14001:2004 registered company
XRM 50W X-RAY
POWER SUPPLY
SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION

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DIMENSIONS: in.[mm]

XRM SELECTION TABLE SIDE VIEW

GROUND STUD 6.496 [165.0] 1.752 [44.5]
M5X0.8X15mm
Maximum Rating Model Number
kV mA 10.000 [254.0]
25 2.0 XRM25P50
30 1.67 XRM30P50
50 1.00 XRM50P50
65 0.77 XRM65P50
3.937 2.047 [52.0]
[100.0]

0.945 [24.0]
J2 POWER CONNECTOR—2 PIN PHOENIX
PIN SIGNAL PARAMETERS
1 +24 Vdc Input +24Vdc @ 4.25 Amps Input
2 +24 Vdc Return Power Return TOP VIEW

J3 FILAMENT CONNECTOR—3 PIN PHOENIX

PIN SIGNAL PARAMETERS

2.047 [52.0]
1 Filament Output 0 to 3.5 Amps @ 5.5 volt compliance, Output
2 Filament Return Filament Return
3 Spare N/C

2.127 [54.0]
J4 MONITOR CONNECTOR—4 PIN

M4X0.7 BLIND INSERTS

PIN SIGNAL PARAMETERS
1 Monitor Return Signal Ground TYPICAL
2 kV Monitor 0 to 10Vdc = 0 to 100% of rated output, Zout =1kΩ

BACK VIEW
3 mA Monitor 0 to 10Vdc = 0 to 100% of rated output, Zout =1kΩ
4 Interlock Enable Connect to ground through 12Vdc bulb (0.5 to 2W)
to close interlock
2.563 [65.1]

1.154 [29.3]
DANGER

INTLK
HIGH
VOLTAGE

J4 mA MON
kV MON
J5 CONTROL INTERFACE—9 PIN MINI D CONNECTOR MON RTN

BIAS J1
J3 FIL RTN
PIN SIGNAL PARAMETERS FIL DANGER
HAZARDOUS VOLTAGE PRESENT.

GND
TO REDUCE THE RISK OF ELECTRIC

1 +10Vdc Reference +10Vdc @ 1mA J2

SHOCK, DO NOT DISCONNECT CABLE

+24V
UNTIL 5 MINUTES HAVE ELAPSED

6.300 [160.0]
AFTER TURNING OFF EQUIPMENT.
FAILURE TO COMPLY MAY CAUSE
SEVERE INJURY OR DEATH

2 Spare N/C kV ADJ DANGER

BIAS ADJ
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE

3 kV Program Input 0 to 10Vdc = 0 to 100% of rated output, Zin =10MΩ

O N LY W I T H S A M E T Y P E

FIL LIM
A N D R AT I N G F U S E

mA ADJ
4 Local kV Program 0 to 10Vdc = 0 to 100% of rated output,
WARNING
ON
HV PWR ON
300V DC ON BIAS
OUTPUT TERMINAL

local 25kΩ multi-turn pot OFF

5 Spare N/C J5 CONTROL

I/O

6 mA Program Input 0 to 10Vdc = 0 to 100% of rated output, Zin =10MΩ SPELLMAN

HIGH VOLTAGE ELECTRONICS CORP.
Plainview, NY 11803

7 Local mA Program 0 to 10Vdc = 0 to 100% of rated output,

local 25kΩ multi-turn pot
8 Spare N/C
9 Ground Signal Ground MOUNTING HOLES

Corporate Headquarters For locations worldwide

Hauppauge, New York USA
+1-631-630-3000 FAX: +1-631-435-1620
www.spellmanhv.com 128014-001 REV. J

e-mail: sales@spellmanhv.com Spellman High Voltage is an ISO 9001:2008 and ISO 14001:2004 registered company