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54
Generation Section
Response Time
10 ms 1 V DC, 10 V DC ranges: The time necessary for the output to be settled within
the accuracy range from when it started to vary.
10 ms 500
Ω
range: The time necessary for the output to be settled within the
accuracy from when the regulated current was fed.
(Including RTD output)
300 ms other than the above ranges: The time necessary for the output to be settled
within the accuracy range from when it started to vary.
Voltage limiter
28.5 V or more
Current limiter
12 mA or more (only for functions of DCV, frequency, pulse)
Load condition
0.01
µ
F or less (for DCV,
Ω
, TC, RTD, frequency, pulse), 100
µ
H or less (DC mA)
Thermocouple generation
Without external reference contact, zero-point reference output
With external reference contact (B9638CR), reference temperature measuring
accuracy
±
0.5
°
C (where the measured temperature is 23
°
C
±
5
°
C)
±
1.0
°
C (where the measured temperature is -10 to 18
°
C or 28 to 50
°
C)
Measurement Section
Display Update Time
1 sec.
Max. Input Voltage, Current
Voltage terminal 42 V, Current terminal 120 mA
Current Terminal Input Protection
Fuse, Part No. A1501EF, 250 V, 125 mA, Quick acting
CMRR
120 dB or more (50/60 Hz), RS = 1 k
Ω
NMRR
60 dB or more (50/60 Hz)
Release Voltage for Resistance Measurement
max 4.5 V
Average Number for Moving Average
5 sampling data
24 V DC Supply Section
Output Voltage
24 V DC
±
1 V
Max. Output Current
22 mA DC
Output Protection
Output is turned off at 30 mA or more
Communications Function
RS-232-C Interface
9-pin D-SUB connector
Transfer Method
Start-stop synchronization system
Transfer Rate
150, 300, 600, 1200, 2400, 4800, 9600 bits/s
Function Specifications
Talk-only/Normal mode, Handshaking mode, data format selection available
Common Specifications
Complying safety standard
General safety: EN61010
· Overvoltage category II (CAT II)
· Pollution degree 2
EMC : IEC1326-1:1997 DRAFT, IEC1326-10:1996 DRAFT
· Except, use a double shielded cable for the RS-232-C cable and separate the RS-
232-C cable and the measuring lead by 50 mm or more.
· The cable layout during the emission test was as follows. The output lead of the
generation section was bent perpendicularly to the left at 20 cm from the terminal
section. The output lead of 24VOUT was bent perpendicularly to the right at 20 cm
from the terminal section. The cord from the AC adapter was bent perpendicularly
towards the front at 5 cm from the connector. The measuring lead, RJC sensor cable
and the RS-232-C cable was positioned perpendicular to the terminal section and the
connector in a straight line.
· The output voltage range of the AC adapter is 15 V DC
±
0.75 V.
The influence under the immunity environment is as follows
Function
Test Condition
Range
Setting Value
Accuracy
Generation
1V
0.5V
±
5% of range
20mA
10mA
±
5% of range
50k
Ω
10k
Ω
±
5% of range
Measurement
5V
1V
±
20% of range
20mA
0mA
±
30% of range
50k
Ω
10k
Ω
±
20% of range
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