Hioki MR8740, Инструкция по эксплуатации

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17.6 Input Modules Specifications
363
Chapte
r 17 S
pecifications
16
17
General Specifications
Pulse Output Specifications
Pattern Output Specifications
17.6.13 MR8791 Pulse Generator Unit
23°C±5°C (73°F±9°F), 80% RH or less (no condensation) (When installed in the Memory
HiCorder)
3
year
1 year
As per Memory HiCorder in which Model MR8791 is installed
As per Memory HiCorder in which Model MR8791 is installed
-20°C to 50°C (-4°F to 122°F), 90% RH or less (no condensation)
33 V AC rms or 70 V DC (between output channels and enclosure)
Anticipated transient overvoltage: 330 V
Approx. 106W ×19.8H × 196.5D mm (4.17”W × 0.78”H × 7.74”D) (excluding protrusions)
Approx. 230 g (8.1 oz.)
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])
Pattern output/pulse output (switched for all 8 channels at once)
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/open (= self-test) (switched for all 8 channels at once)
5
μ s (max.) (load capacity of 1000 pF, pull-up resistance of 1 k Ω )
Detected voltages: High level 3.4 V or greater, low level 1.6 V or less
5 ms or less (logic/open collector switching, output/open [self-test] switching)
Temperature and humidity for
guaranteed accuracy
Product warranty
period
Guaranteed accuracy
period
Operating temperature and
humidity
Operating environment
Storage temperature and
humidity
Maximum rated voltage to
earth
Dimensions
Mass
Number of output channels
Output mode 1
Output mode 2
Logic output:
Open collector Output:
Output mode 3
Open-collector output defini-
tion
(rising time [10% to 90%])
Self-test function
Relay switching time
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
μ
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)