5W X 射线发生器
XMPF是一个模块化的10kV @ 5W X射线发生器，设计来驱动一个浮动的灯丝X射线管，通过闭环0至500uA发射电流的细丝的控制。此浮动灯丝电源被额定在0 至0.42A@ 3.5Vac。此灯丝电源特性：0 至 0.42A 可调节的灯丝限制。
内部预设高压编程和发射电流编程功能，简化了此X射线发射器的接口。另外，客户提供0到10 Vdc信号可用于远程控制这两个信号。提供高电压监测信号和发射电流监测信号。还提供了另外一个灯丝电流监测信号。一个高压使能输入提供了高电压输出的控制。
规格
(Ref. 128131-001 REV. A)
Input Voltage:
+24 Vdc, ±10%
Input Current:
500mA maximum
Cathode Supply:
Voltage: 10kV, controllable over the range 20V to 10kV
Accuracy: <2%
Polarity: Negative
Line Regulation: <0.05% for input voltage change of ±10%
Load Regulation: <0.1% for zero to full load
Stability: <0.1% per 24 hours at constant operating conditions, after 30 minutes warm up
Temperature Coefficient: <250 ppm/˚C
Ripple: <0.01% p-p of output voltage at full voltage and current
Output Current Limit: 550μA ±10%
Ramp Rate: <20kV/sec
Current Characteristics:
Maximum Emission Current: 500uA
Operating: 5˚C to 40˚C
Stability: 0.5% using the internal reference and setting potentiometer. For increased stability an external reference can be used.
Environmental:
Humidity:
Operating: 20% to 80% RH, non-condensing
Storage: 5% to 95%
Filament Supply:
Voltage: 0V to 3.5Vac referenced to Cathode output
Load Current: 0.42A max, pre set adjustable limit
Stability: <0.1% over a 30 minute period at constant operating conditions.
Environmental:
Temperature Range:
Operating: 5˚C to 40˚C
Storage: -40˚C to 70˚C
High Voltage Output:
Flying leads, Reynolds 18kV rated FEP insulated wire, 1.02mm diameter. Conductors are 19/40 AWG. Overall length is 500mm,Flying leads, Reynolds 18kV rated FEP insulated wire, 1.02mm diameter. Conductors are 19/40 AWG. Overall length is 500mm, the two wires are sleeved together.
Dimensions:
1.18”H x 2.75”W x 6.69”D (30mm x 70mm x 170mm)
Regulatory Approvals:
Compliant to CE Safety marking to meet the requirements of EN61010, Installation cat II, safety class 1, poll. degree 2 and UL61010A-1 and CSA 1010. RoHS compliant.
As the unit is designed for incorporation within the users system it is not tested against any specific EMC standards. The user will need to take sensible EMC precautions when designing the unit in and verify the overall system EMC performance against any relevant standards.
| PIN | SIGNAL | SIGNAL PARAMETERS |
|---|---|---|
| 1 | +24Vdc | +24Vdc @ 500mA, max. |
| 2 | Power Ground | Power Ground |
| 3 | N/C | N/C |
| 4 | Signal Ground | Signal Ground |
| 5 | HV Enable | 0-0.8V = HV ON, 2.4V-12V = HV OFF |
| 6 | N/C | N/C |
| 7 | HV Program Output | Wiper of multi turn potentiometer |
| 8 | HV Program Input | 0-10Vdc = 0-10kV, Zin = 10MΩ, accuracy ±2% of FS |
| 9 | High Voltage Monitor | 0-10Vdc = 0-10kV, Zout = 10kΩ, accuracy ±2% of FS |
| 10 | Emission Current Monitor | 0-10Vdc = 0-500uA, Zout = 10kΩ, accuracy ±3% of FS |
| 11 | Filament Current Monitor | 0-10Vdc = 0-500mA, Zout = 10kΩ, accuracy ±5% of FS |
| 12 | Emission Current Program Input |
0-10Vdc = 0-500uA, Zin = 10MΩ, accuracy ±3% of FS |
| 13 | Emission Current Program Output |
Wiper of multi turn potentiometer |
| 14 | Signal Ground | Signal Ground |
| 15 | Filament Current Limit |
