SLM Series

  • Models from 1kV-70kV, 300W, 600W AND 1200W
  • Compact & Lightweight
  • Universal Input, Power Factor Corrected
  • USB,Ethernet and RS-232 Standard Interfaces
  • CE Compliant, UL Recognized

300W-1200W High Voltage Power Supplies

Spellman’s SLM Series of high voltage modules are designed for OEM applications up to 70kV at 1200 watts. Its universal input, small package size and choice of three standard digital interfaces simplifies integrating the SLM into your system design. Models are available in either positive or negative polarity. The SLM is fully arc and short protected. Excellent regulation specifications are provided along with outstanding stability performance. 

Typical applications:

  • Capacitor Charging
  • HiPot Testing
  • CRT Testing
  • Electrostatics
  • E Beam Systems
  • CW Lasers 

CE RU Marking

Specifications

(Ref. 128035-001 REV. P)

Input Voltage:

Power factor corrected input, =0.98

90-264Vac, 47-63 Hertz, for 300 watt units

180-264Vac, 47-63 Hertz for 600 and 1200 watt units 

Output Voltage: 

11 models—1kV to 70kV

Output Polarity:

Negative or positive, specify at time of order

Local Indicators:

Arc, HV On, Temp Error, OVP, I Mode 
Power On, OC, Reg Error

Power:

 3 power ranges available—300, 600 and 1200 watts. Other power levels available on special order. 

Voltage Regulation:

≤ 0.01% of rated output voltage over specified 
input voltage range 
≤ 0.01% of rated output voltage for a full load change

Current Regulation:

≤ 0.01% of rated output current over specified input voltage range 

≤ 0.01% of rated output current for a ±100µA 
for a full voltage change

Ripple:

≤ 0.2% rms of maximum rated voltage, 
measured with a 10 foot long HV cable

Stability:

≤ 50ppm/hr after a 2 hour warm up

Temperature Coefficient:

≤ 100ppm per degree C 

Environmental:

Temperature Range: 

Operating: 0°C to 40°C 
Storage: -40°C to 85°C

Humidity: 

20% to 85% RH, non-condensing.

Control Interface

Local Interface: 

Potentiometers are provided to adjust voltage and current.

Remote Interface:

USB, Ethernet and RS-232 are standard, implemented with 12 bits of resolution. All digital monitors have an accuracy specification of 2%. 

Control Software:

A VB GUI will be provided for 
RS-232/USB, the Ethernet interface will have an 
embedded applet for control.

HV Control Enable/Interlock:

A dry contact, hardware based interlock is provided for remote mode. In local mode this I/O is the enable. 

Monitor Signals:

Voltage and current monitor signals are scaled 0-10Vdc equals 0-100% of full scale, accuracy is 1%. 

Cooling: 

Forced air 

Dimensions:

300/600 watts: 

4.75. H X 6. W X 12. D (120.65mm x 152.4mm x 304.8mm) 

1200 watts: 

4.75. H X 12. W X 12. D (120.65mm x 304.8mm x 304.8mm)

Weight:

300/600 watts: 14 pounds (6.35kg) 
1200 watts: 26 pounds (11.8kg)

Input Line Connector:

IEC320 cord set with integrated EMI filter

Output Cable:

A detachable 10’ (3.3m) long shielded HV cable is provided

Regulatory Approvals:

2 Compliant to 204/108/EC, the EMC Directive and 2006/95/EC, 3 the Low Voltage Directive. UL/CUL recognized, File 227588.

FIRMWARE CONFIGURATIONS:

STANDARD BASED FEATURES

AOL - Adjustable Overload Trip 
AT - Arc Trip 
NAD - No Arc Detect 
NSS - No Slow Start 
PSS - Programmable Slow Start 
RFR - Remote Fault Reset 
RMI - Remote Mode Indicators 
ROV - Remote Overvoltage Adjust

SLM SELECTION TABLE- 300W

300 Watt
kV mA Model
1 300 SLM1*300
3 100 SLM3*300
5 60 SLM5*300
10 30 SLM10*300
15 20 SLM15*300
20 15 SLM20*300
30 10 SLM30*300
40 7.5 SLM40*300
50 6 SLM50*300
60 5 SLM60*300
70 4.28 SLM70*300

*Specify “P” for positive polarity or “N” for negative polarity 

SLM SELECTION TABLE- 600W

600 Watt
kV mA Model
1 600 SLM1*600
3 200 SLM3*600
5 120 SLM5*600
10 60 SLM10*600
15 40 SLM15*600
20 30 SLM20*600
30 20 SLM30*600
40 15 SLM40*600
50 12 SLM50*600
60 10 SLM60*600
70 8.56 SLM70*600

*Specify “P” for positive polarity or “N” for negative polarity 

SLM SELECTION TABLE- 1200W

1200 Watt
kV mA Model
1 1200 SLM1*1200
3 400 SLM3*1200
5 240 SLM5*1200
10 120 SLM10*1200
15 80 SLM15*1200
20 60 SLM20*1200
30 40 SLM30*1200
40 30 SLM40*1200
50 24 SLM50*1200
60 20 SLM60*1200
70 17.14 SLM70*1200

*Specify “P” for positive polarity or “N” for negative polarity

SLM ANALOG INTERFACE—J2 15 PIN MALE D CONNECTOR

Pin Signal Signal Parameters
1 Power Supply Fault Open Collector, 35V @ 10mA Maximum
2 Current Program In 0 to 10V=0 to 100% Rated Output, Zin=10MΩ
3 Voltage Program In 0 to 10V=0 to 100% Rated Output, Zin=10MΩ
4 NC No Connection
5 Local Voltage Prog. Multi-turn front panel potentiometer
6 NC No Connection
7 Local Current Prog. Multi-turn front panel potentiometer
8 Voltage Monitor 0 to 10V=0 to 100% Rated Output, Zout =4.99k, 1%
9 Signal Ground Ground
10 Current Monitor 0 to 10V=0 to 100% Rated Output, Zout =4.99k, 1%
11 HV Enable Input Connect to Pin 12 to HV Enable Supply
12 HV Enable Output +15V @ Open, ≤15mA @ Closed
13 NC No Connection
14 HV On Output Signal Open Collector, 35V @10mA Maximum
15 Spare No Connection

RS-232 DIGITAL INTERFACE— J3 9 PIN FEMALE D CONNECTOR

Pin Signal Signal Parameters
1 VBUS +5 Vdc
2 D- Data -
3 D+ Data +
4 GND Ground

ETHERNET DIGITAL INTERFACE— J5 8 PIN RJ45 CONNECTOR

Pin Signal Signal Parameters
1 TX+ Transmit Data +
2 TX- Transmit Data -
3 RX+ Receive Data +
4 NC No Connection
5 NC No Connection
6 RX- Receive Data -
7 NC No Connection
8 NC No Connection

Tables & Diagrams

DIMENSIONS: in.[mm]

300/600 Watt

BOTTOM VIEW

SLM High Voltage Power Supply (Image 3)

FRONT VIEW

SLM High Voltage Power Supply (Image 5)

SIDE VIEW

SLM High Voltage Power Supply (Image 7)

1200 Watt

BOTTOM VIEW

SLM High Voltage Power Supply (Image 4)

FRONT VIEW

SLM High Voltage Power Supply (Image 6)

SIDE VIEW

SLM High Voltage Power Supply (Image 8)

Note: All specifications are subject to change without notice. Please consult the PDF version of this datasheet for the most up-to-date revision.