MR8740、MR8741_user_manual_eng_20191016H.pdf - 第380页
17.6 Specifications of Modules 368 Accuracy figures assume installatio n in a Memory HiCorder and operation after a 30-minu te warm-up period at 23 C±5 C (73 F±9 F) and 80% RH (no condensation). General S pecific…
17.6 Specifications of Modules
367
Chapter 17 Specifications
16
17
Arbitrary waveform generation function specifications
Sweep Functional Specifications
Program Function Specifications
Other Specifications
Pulse waves duty ratio accura-
cy
±0.1% of period (not lower than 10 mHz but not higher than 5 kHz)
±0.5% of period (higher than 5 kHz but not higher than 20 kHz)
±1.0% of period (higher than 20 kHz but not higher than 100 kHz)
Output waveform Waveforms measured with the 8847, MR8847, MR8847A, MR8827, MR8740, or MR8741
Memory HiCorder (Logic waveforms are not supported.)
Waveforms measured with the PW3198 Power Quality Analyzer (via SF8000)
Waveforms saved by the 7075 Waveform Generator (via SF8000)
Waveforms created in CSV format (via SF8000)
Waveforms created with the SF8000 Waveform Maker
Voltage axis resolution 16 bits
Waveform memory capacity 256 kW/channel × 8 blocks
Low-pass filter 2nd-order LPF, 50 Hz to 1 MHz (14 steps in 1-2-5 progression)
D/A refresh rate Max. 2 MHz (setting resolution:10 mHz)
Clock frequency accuracy ±150 ppm
Clock frequency jitter Within 50 ns p-p
Delay -250,000 to 250,000 (settable in increments of 1 data point)
Loop count 1 to 50,000 or
Sweep waveforms Non-DC FG waveforms, arbitrary waveforms
Sweep form Linear
Sweep target FG waveforms: Frequency, amplitude, offset, duty ratio (pulse waves only)
(Simultaneous sweeping of frequency, amplitude, and offset)
Arbitrary waveforms: Clock frequency, amplitude, offset
(Simultaneous sweeping of clock frequency, amplitude, and offset)
Sweep time setting range 10 s to 1000 s (setting resolution: 10 s)
Sequence length Output by connecting up to 128 steps
Step control Ability to set an FG waveform, sweep waveform, or user waveform for each step
Ability to set the number of loops (for sweep waveforms) or output time (for FG and arbitrary wave-
forms) for each step
Hold settings ON/OFF setting for each step
Output time setting range 10 s to 1000 s (for FG and arbitrary waveforms)
Step loop count setting range 1 to 1,000 (for sweep waveforms)
Overall loop count setting
range
1 to 50,000 or
Monitor functions Display of step number being executed, step loop count, and overall loop count
Channel synchronization Ability to set the phase between channels on the same module and between modules
Self-test function Ability to monitor output voltage value
Monitor resolution: 10 mV
Monitor accuracy: ±3.0% f.s. (f.s.=15 V)
Output start/stop By operating key on the Memory HiCorder or applying a signal to the unit’s external control terminal
External input Cancel hold and transition to next step on low-level signal input from an external source
while using the program function.
Control voltage level: 3.5 V to 5.0 V (high level), 0 V to 0.8 V (low level)
Response pulse width: 100 s or greater (low level)
External output Output during waveform output
Output format: Open-drain output (with 5 V voltage output, active low)
Output voltage level: 4.0 V to 5.0 V (high level), 0 V to 0.5 V (low level)
Maximum switching capacity: 5 V to 30 V DC, 50 mA
External I/O terminals Push-button type terminal block
Waveform output indicator Red LED on during waveform output and off when output is off
17.6 Specifications of Modules
368
Accuracy figures assume installation in a Memory HiCorder and operation after a 30-minute warm-up period at 23C±5C
(73F±9F) and 80% RH (no condensation).
General Specifications
Voltage Output Specifications
17.6.13 MR8790 Waveform Generator Unit
Product warranty period 3 years
Guaranteed accuracy period 1 year
Guaranteed accuracy period
after adjustment made by Hio-
ki
1 year
Number of output channels 4 channels (all channels isolated from each other and from the enclosure and outputs)
Self-test function Included (with voltage and current monitor)
Voltage and current monitor
function (switchable)
Resolution: 5 A (current monitor)
10 mV (voltage monitor)
Monitor accuracy: ±3.0% f.s. (f.s. = 10 V [voltage monitor] or 5 mA [current monitor])
Maximum output current ±5 mA
Allowable load resistance 2 k or greater
Output terminals SMB terminals
Output configuration Waveform output/open/short circuit
Output relay switching time 5 ms or less
Output protection Output current limited to 40 mA (when output is shorted)
Maximum rated voltage to
earth
33 V AC rms or 70 V DC (between individual output channels and enclosure as well as
between individual output channels)
Anticipated transient overvoltage: 330 V
Operating temperature and
humidity
As per Memory HiCorder into which the MR8790 is installed
Operating environment As per Memory HiCorder into which the MR8790 is installed
Storage temperature and
humidity
-20°C to 50°C (-4°F to 122°F), 90% RH or less (no condensation)
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17”W × 0.78”H × 7.74”D) (excluding protrusions)
Mass Approx. 230 g (8.1 oz.)
Standards Safety EN61010
EMC EN61326 Class A
Effect of radiated
radio-frequency
electromagnetic field
±3% f.s. (max.) at 3 V/m (f.s.=10 V)
Effect of conducted
radio-frequency electromag-
netic field
±1% f.s. (max.) at 3 V (f.s.=10 V)
Options Model L9795-01 Connection Cable (terminal type: SMB terminal/mini-alligator clip)
Model L9795-02 Connection Cable (terminal type: SMB terminal/BNC terminal)
Maximum output voltage ±10 V
Resolution 16 bits
Output frequencies Output frequencies: DC, 0 Hz to 20 kHz (sine waves)
Setting resolution: 1 Hz
Frequency accuracy: ±0.01% of setting
Amplitude Setting range: 0 V p-p to 20 V p-p
Setting resolution: 1 mV
Amplitude accuracy: ±0.25% of setting ±2 mV p-p (not lower than 1 Hz but not higher than 10 kHz)
±0.6% of setting ±2 mV p-p (higher than 10 kHz but not higher than 20 kHz)
DC offset Setting range: -10 V to 10 V
Peak value including amplitude and DC offset is limited to ±10 V.
Setting resolution: 1 mV
Offset accuracy: ±3 mV
DC output Output accuracy: ±0.6 mV
17.6 Specifications of Modules
369
Chapter 17 Specifications
16
17
General Specifications
Pulse Output Specifications
Pattern Output Specifications
17.6.14 MR8791 Pulse Generator Unit
Temperature and humidity for
guaranteed accuracy
23°C±5°C (73°F±9°F), 80% RH or less (no condensation) (When installed in the Memory
HiCorder)
Guaranteed accuracy period 1 year
Product warranty period 3 years
Operating temperature and
humidity
As per Memory HiCorder in which Model MR8791 is installed
Operating environment As per Memory HiCorder in which Model MR8791 is installed
Storage temperature and
humidity
-20°C to 50°C (-4°F to 122°F), 90% RH or less (no condensation)
Maximum rated voltage to
earth
33 V AC rms or 70 V DC (between output channels and enclosure)
Anticipated transient overvoltage: 330 V
Dimensions Approx. 106W ×19.8H × 196.5D mm (4.17”W × 0.78”H × 7.74”D) (excluding protrusions)
Mass Approx. 230 g (8.1 oz.)
Number of output channels 8 (output channels and enclosure isolated; output units isolated)
(channels not isolated from each other [common GND]) (channels not isolated from output
connector frame [common GND])
Output mode 1 Pattern output/pulse output (switched for all 8 channels at once)
Output mode 2
Logic output:
Open collector Output:
Logic output/open-collector output (set separately for each of 8 channels)
Output voltage level: 0 V to 5 V (high level 3.8 V or greater, low level 0.8 V or less)
Rated current: ±5 mA
Collector/emitter absolute maximum rated voltage: 50 V
Over-current protection: 100 mA
Output mode 3 Output/open (= self-test) (switched for all 8 channels at once)
Open-collector output defini-
tion
(rising time [10% to 90%])
5 s (max.) (load capacity of 1000 pF, pull-up resistance of 1 k)
Self-test function Detected voltages: High level 3.4 V or greater, low level 1.6 V or less
Relay switching time 5 ms or less (logic/open collector switching, output/open [self-test] switching)
Standards Safety EN61010
EMC EN61326 Class A
Output frequency Setting range: 0 Hz to 20 kHz (set separately for each of 8 channels)
Setting resolution: 0.1 Hz
Frequency accuracy: ±100 ppm
Duty ratio Setting range: 0.1% to 99.9%, 0, 100% (DC)
Setting resolution: 0.1%
Duty ratio accuracy: {±100 ppm (setting period) ±150 ns} of setting
Priority to the “Minimum pulse width”and “Open collector output regula-
tion” specifications
Minimum pulse width 1 s
Clock frequency Range: 0 Hz to 120 kHz (Common for 8 channels)
Setting resolution: 10 Hz
Frequency accuracy: ±100 ppm of setting
Memory (Pattern) 2,048 words (16,384 bits = 2,048 words × 8 bits/word)