Table 60503-1. Specification and Supplemental Characteristics
SPECIFICATIONS
DC Input Rating:
Current: 0 to 10 A
Voltage: 3 V to 240 V (minimum dc operation from 0 to 2 V for 0 to 10 A)
Power: 250 W at 40 °C (derated to 187 W at 55 °C)
A. OPERATING CHARACTERISTICS B. DERATED CURRENT DETAIL
Constant Current Mode:
Ranges: 0 to 1 A; and 0 to 10 A
Accuracy: (after 30 second wait): ± 0.15% ± 10 mA (both ranges)
Resolution: 0.26 mA (1 A range); 2.6 mA (10 A range)
Regulation: 8 mA (both ranges)
Temperature Coefficient: 150 ppm/°C ± l mA/°C (both ranges)
Constant Resistance Mode:
Ranges: 0.20 to 24 Ω; 24 Ω to 10 kΩ; and 240 Ω to 50 k
Accuracy: ± 0.8% ± 200 mΩ with ≥ 1 A at input (24 Ω range);
Resolution: 6 mΩ (24 Ω range); 0.011 mS (10 kΩ range); 0.001 mS (50 kΩ range)
Regulation: 10 mV with remote sensing (24 Ω range); 8 mA (10 k and 50 kΩ ranges)
Temperature Coefficient: 800 ppm/°C ± 10 mΩ/°C (24 Ω range);
Constant Voltage Mode:
Range: 0 to 240 V
Accuracy: ± 0.12% ± 120 mV
Resolution: 64 mV
Regulation: 10 mV (remote sense); 40 mV (local sense)
Temperature Coefficient: 120 ppm/°C ± 10 mV/°C
Ω
± 0.3% ± 0.3 mS with ≥ 24 V at input (10 k and 50 kΩ ranges)
300ppm/°C ± 0.03 mS/°C (10 k and 50 kΩ ranges)
2
Table 60503-1 Specifications and Supplemental Characteristics (continued)
Transient Operation:
Continuous Mode
Frequency Range: 0.25 Hz to 10 kHz
Frequency Resolution: 4%
Frequency Accuracy: 3%
Duty Cycle Range: 3% to 97% (0.25 Hz to 1 kHz); 6% to 94% (1 kHz to 10 kHz)
Duty Cycle Resolution: 4%
Duty Cycle Accuracy: 6% of setting ± 2%
Pulsed Mode
Pulse Width: 50
Transient Current Level (0 to 1 A and 0 to 10 A ranges):
Resolution: 4 mA (1 A range); 43 mA (10 A range)
Accuracy: ± 0.18% ± 13 mA (1 A range); ± 0.18% ± 50 mA (10 A range)
Temperature Coefficient: 180 ppm/°C ± 1.2 mA/°C
Transient Resistance Level (0.20 to 24 Ω, 24 Ω to 10 kΩ, and 240 Ω to 50 kΩ ranges):
Resolution: 100 mΩ (24 Ω range); 0.18 mS (10 kΩ range); 0.018 mS (50 kΩ range)
Accuracy: ± 0.8% + 200 mΩ with > 1 A at input (24 Ω range)
µ
s ± 3% minimum; 4 s ± 3% maximum
± 0. 3% + 0.5 mS with ≥ 24 V at input (10 kΩ range)
± 0.3% + 0.4 mS with ≥ 24 V at input (50 kΩ range)
Transient Voltage Level (0 to 240 V):
Resolution: 1.0 V
Accuracy: ± 0.15% ± 1.1 V
Temperature Coefficient: 120 ppm/°C ± 10 mV/°C
Current Readback:
Resolution: 2.7 mA (via GPIB); 10 mA (front panel)
Accuracy: (after 30 minute wait): ± 0.12% ± 10 mA
Temperature Coefficient: 100 ppm/
Voltage Readback:
Resolution: 67 mV (via GPIB); 100 mV (front panel)
Accuracy: ± 0.1% ± 150 mV
Temperature Coefficient: 100 ppm/°C ± 8 mV/°C
Maximum Readback Capability: 260 V (typical)
Power Readback:
Accuracy: ± 0.2% ± 3 W
°
C ± l mA/ °C
3
Table 60503-1 Specifications and Supplemental Characteristics (continued)
External Analog Programming 0 to 10 V (dc or ac):
Bandwidth: 10 kHz (3 db frequency)
Accuracy: ± 3% ± 10 mA (0 to 1 A range)
± 3% ± 20 mA (0 to 10 A range)
± 0.5% ± 150 mV (0 to 240 V range)
Temperature Coefficient: 150 ppm/°C ± 1 mA/°C (current ranges)
120 ppm/°C ± 10 mV/°C (voltage range)
External Current Monitor (0 to 10 V):
Accuracy: ± 3% ± 10 mA (referenced to analog common)
Temperature Coefficient: 100 ppm/°C ± l mA/°C
External Voltage Monitor (0 to 10 V):
Accuracy: ± 0.4% ± 240 mV (referenced to analog common)
Temperature Coefficient: 70 ppm/
Remote Sensing: 5 Vdc maximum between sense and input binding posts
°
C ± 1.2 mV/ °C
Maximum Input Levels:
Current: 10.2 A (programmable to lower limits)
Voltage: 250 V
Minimum Operating Voltage: 2 V (derated to 0 V at 0 A)
PARD (20 Hz to 10 MHz noise):
Current: 1 mA rms/10 mA p-p
Voltage: 6 mV rms
DC Isolation Voltage: ± 240 Vdc between + or - input binding post and chassis ground
Digital Inputs:
Vlo: 0.9 V maximum at Ilo = -1 mA
Vhi 3.15 V minimum (pull-up resistor on input)
Digital Outputs:
Vlo: 0.72 V maximum at Ilo = 1 mA
Vhi: 4.4 V minimum at Ilo - 20 µA
SUPPLEMENTAL CHARACTERISTICS
Programmable Slew Rate (For any given input transition, the time required will be either the total slew time or a minimum
transition time, whichever is longer. The minimum transition time increases when operating with input currents under 0.2 A
and decreases with input currents over 2 A. The following are typical values; ± 25% tolerance):
4
Table 60503-1 Specifications and Supplemental Characteristics (continued)
Current Slew Rate:*
Rate # 10 A Range Step 1 A Range Step Transition Time
1 0.17 A/ms 17 A/s 8.0 ms
2 0.42 A/ms 42 A/s 3.2 ms
3 0.83 A/ms 83 A/s 1.6 ms
4 1.7 A/ms 0.17 A/ms
5 4.2 A/ms 0.42 A/ms
6 8.3 A/ms 0.83 A/ms
7 17 A/ms 1.7 A/ms
8 42 A/ms 4.2 A/ms
9 83 A/ms 8.3 A/ms
10
11
12
Voltage Slew Rate:
Rate # Voltage Range Step Transition Time*
1 4 V/ms 8.0 ms
2 10 V/ms 3.2 ms
3 20 V/ms 1.6 ms
4 40 V/ms
5 100 V/ms
6 200 V/ms
7
8
9
0.17 A/µs
0.42 A/µs
0.83 A/µs
*AC performance specified from 3 to 240 V.
0.4 V/µs 100 µs
1 V/µs 100 µS
2 V/µs 100 µS
*Transition time based on low capacitance current source.
17 A/ms
42 A/ms
83 A/ms
800 µs
320 µs
160 µs
800 µs
320 µs
160 µs
80 µs
32 µs
20 µs
20 µs
16 µs
16 µs
Resistance Slew Rate (24 Ω range): Uses the value programmed for voltage slew rate.
Resistance Slew Rate (10 k and 50 kΩ ranges): Uses the value programmed for current slew rate.
Transient Current Overshoot (When programmed from 0A):
Range Transient Current Level Current Slew Rate Overshoot*
10 A 2-10 A All slew rates 0
0.5 A
0.5 A 0.17 A/ms to 42 A/ms 0
1 A
1 A
1 A 0.5 A 8.3 A/ms 4%
0.5 A 0.17 A/s and 0.17 A/ms 0
1 A All slew rates 0
*All overshoot values assume a total inductance of lµH, or less, in the load leads connected to the D.U.T.
0.17 A/µs to 0.83 A/µs
0.83 A/µs
0.17 A/ms to 0.17 A/µs
5
5%
1%
0
Table 60503-1 Specifications and Supplemental Characteristics (continued)
Source Turn-On Current Overshoot: Less than 5% of final value (in CC and CR modes when connected to power
supplies with voltage rise times of greater than 500µs).
Programmable Short Circuit: 0.20 Ω (0.10 Ω typical)
Programmable Open Circuit: 80 kΩ (typical)
Drift Stability (over an 8 hour interval):
Current: ±0.03% ±1.5 mA
Voltage: ±0.01% ±20 mV
Reverse Current Capacity: 20 A when unit is on; 10 A when unit is off
Weight: 3.2 kg (7 lbs.)
Table 60503-2. Programming Ranges
Function Front Panel Front Panel HPSL Command Range of Values
Key Display (Short Form)
Constant Current
Set Range C:RNG value "CURR:RANG value"
Low Range
High Range
Set Main Level CURR value "CURR value"
Low Range 0 to 1 A
High Range 0 to 10 A
Set Slew Rate
Low Range
High Range
Set Transient Level C:TLV value "CURR:TLEV value" same as main level
*Set Triggered Level "CURR:TRIG value" same as main level
Constant Resistance
Set Range R:RNG value "RES:RANG value"
Low Range
Middle Range
High Range
Set Main Level RES value "RES value"
Low Range
Middle Range
High Range
Set Slew Rate
Low Range V:SLW value "VOLT:SLEW value" same as voltage slew
Middle/High Range C:SLW value "CURR:SLEW value" same as current slew
Set Transient Level R:TLV value "RES:TLEV value" same as main level
*Set Triggered Level "RES:TRIG value" same as main level
Constant Voltage
Set Main Level VOLT value "VOLT value" 0 to 240 V
Set Slew Rate
Set Transient Level V:TLV value "VOLT:TLEV value" same as main level
*Set Triggered Level "VOLT:TRIG value" same as main level
(shift)
(shift)
(shift)
C:SLW value "CURR:SLEW value"
V:SLW value "VOLT:SLEW value"
≥
0 and ≤ 1 A
> l A and ≤ 10 A
0.000007 to .083 (A/µs)
0.00017 to 0.83 (A/µs)
≥
0 and ≤ 24
> 24 Ω and ≤ 24 k
>24 kΩ and ≤ 24 k
0 to 24
24 Ω to 24 k
240 Ω to 240 k
0.004 to 2 (V/µs)
Ω
Ω
Ω
Ω
Ω
Ω
6
Table 60503-2. Programming Ranges (continued)
Function Front Panel Front Panel HPSL Command Range of Values
Key Display (Short Form)
Transient Operation
Set Frequency FREQ value "TRAN:FREQ value" 0.25 Hz to 10 kHz
Set Duty Cycle
*Set Pulse Width "TRAN:TWID value" 0.00005 to 4 s
Trigger Operation
*Set Trigger Period "TRIG:TIM value" 0.000008 to 4 s
Current Protection
*Set Current Level "CURR:PROT value" 0 to 10.2 A
*Set Delay Time "CURR:PROT:DEL value" 0 to 60 s
Function Settings Function Setting
CURR level 0 A Mode (CC, CR, CV) CC
CURR transient level 0 A Input (on/off) on
*CURR slew rate
CURR range 10 A
*CURR protection (on/off) off ***TRAN mode continuous
**CURR protection level 10.2 A (continuous, pulse, toggle)
**CURR protection delay 15 s TRAN frequency 1 kHz
RES level
RES transient level
RES range
VOLT level 240 V **TRIG period 0.001 s
VOLT transient level 240 V **PORT0 output (on/off) off (logic 0)
VOLT slew rate
The *RST command resets the CURR slew rate to 0.83 A/µ, not to the factory default.
(shift)
*Can only be programmed remotely via the GPIB.
DCYCLE value "TRAN:DCYC value" 3-97% (0.25 Hz-1 kHz)
6-94% (1 kHz-10 kHz)
Table 60503-3. Factory Default Settings
0.17 A/µs
Ω
50 k
Ω
50 k
Ω
50 k
2 V/µs
Short (on/off) off
Transient operation (on/off) off
TRAN duty cycle 50%
**TRAN pulse width 0.5 ms
**TRIG source hold
(bus, external, hold, timer, line)
**CAL mode (on/off) off
**Can only be programmed remotely via the GPIB.
***Continuous transient mode is the only mode available at the front panel. Pulsed, toggled, and continuous modes can
all be programmed remotely via the GPIB.
7
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