Page 1
User’s
Manual
Please note the following(underlined) alterations to the IMDR231-01E.
Page 3 “Main Unit DR130/DR231/DR241”
Page 5 “Standard Accessories”
DR130/DR231/DR241
Notice of Alterations
Hybrid Recorder
(Stand-alone model)
Model Suffix Code Description
·············· ······························································
Power Cord D········· 3-pin inlet w/UL, CSA cable* (Part No. A1074WD)
F········· 3-pin inlet w/VDE cable* (Part No. A1009WD)
R········· 3-pin inlet w/AS cable* (Part No. A1024WD)
S········· 3-pin inlet w/BS cable* (Part No. A1023WD)
H········· 3-pin inlet w/GB cable* (complies with the CCC) (Part No. A1064WD)
W········· 3-pin inlet with screw conversion terminal**
Y········· 3-pin inlet with screw conversion terminal**
······························································
1.One of these power cord types is supplied according
to the instrument's suffix code
D S
F
Page 7 “Safety Precautions”
The following caution has been added.
CAUTION
This instrument is a Class A product. Operation of this instrument in a residential area may cause
radio interference, in which case the user is required to take appropriate measures to correct the
interference.
Chapter 3
Note the following additions to “
Slot Numbers and Channel Numbers
Slot number
012345
R
”
H
041 to 050
051 to 060
* /N7: 051 to 052, /N8: 051 to 056
Yokogawa Electric Corporation
*
021 to 030
031 to 040
001 to 010
011 to 020
Unit number: 0 (Fixed)
Channel number
IM DR231-01E-98 1/3
for IM DR231-01E 9th Edition
Page 2
Page 2-15 “HOLD/NON-HOLD Setting”
You can select whether to hold the operating status of operated internal switches or alarm output
relays. This setting applies to both the internal switches and the alarm output relays.
However, non-hold always applies to relays for which the reflash alarm is set, regardless of the hold/non-hold
setting.
Page 3-16 “WARNING”
············································································································
• When 30 VAC or 60 VDC and more is applied to the output terminal of the alarm output module or the output
terminal of the DI/DO module, use double-insulated wires (withstand voltage performance: more than 2300
VAC) for those wires which apply 30 VAC or 60 VDC and more. All other wires can be basic-insulated
(withstand voltage performance: more than 1390 VAC). Furthermore, use “crimp-on” lugs (for 4-mm screws)
with insulation sleeves for connecting to the screw terminal. Make sure that the crimp-on tool must be one
specified by the crimp-on lugs manufacture, and that the crimp-on lugs and tool must be matched to the wire
size. To prevent from electric shock, do not touch the terminal after wiring and make sure to re-apply the
cover.
• To prevent fire, use signal wires having a temperature rating of 75°C or more.
Page 3-16 “CAUTION”
············································································································
• The overvoltage category of each input module is CAT ll (CSA1010-1).
• The measurement category of each input module is CAT ll (IEC61010-1).
• When connecting to a clamp terminal, use a signal conductor with the following cross-sectional width:
············································································································
Page 3-18 “CAUTION”
············································································································
• The power monitor module is a product belonging to Installation (Over-voltage) Category CAT II (CSA1010-1).
• The power monitor module is a product belonging to Measurement Category CAT II (IEC61010-1).
Page 3-22 “WARNING”
············································································································
• To prevent electric shock, do not touch the terminals after wiring.
• Furnish a switch (double-pole type) to separate the instrument from the main power supply in the power
supply line. In addition, make sure to indicate that the switch is a power control for the instrument on the
switch and the ON/OFF positions of the switch.
Switch Specifications
Steady-state current rating: 3 A or more, inrush current rating: 90 A or more (AC power supply)
Steady-state current rating: 8 A or more, inrush current rating: 90 A or more (DC power supply)
Use a switch complied with IEC60947-1, -3.
• Do not add a switch or fuse to the ground line.
Page 4-13 “Clock Display”
The date and time can be displayed on sub-display 2.
According to the set time in 3.7 “Setting the Date and Time” (see to page 3-25), the current date
and time can be displayed.
Page 10-6 “
• SINGLE:
• Digital print: The interval is determined by the chart speed and the number of columns to be printed. See
Selection of Recording Interval in Digital Printing/Logging Mode (LOG INTERVAL
the table in chapter 14 (page 14-8).
)”
Page 13-4 “13.3 Troubleshooting”
If an error code appears on the display, see Section 13.4, “Error Codes.”
If servicing is necessary, or if the instrument is not operating correctrly though the following corrective actions
have been taken, please contact your nearest YOKOGAWA representative, dealer, or sales office.
IM DR231-01E-98 2/3
for IM DR231-01E 9th Edition
Page 3
Page 13-5 Added to the “13.4 Error Codes”
The following error codes have been added to the list.
Error Codes Error Corrective Action
013 Attempted “REP RECALL START” without hourly,
daily, or monthly report data.
032 Set to contiguous channels on the power monitor
module.
047 Entered a wiring method for which there is no
setting for the power monitor module.
107 Attempted to change ranges or time while report
was starting.
131 Media write error Exchange the medium.
137 Attempted to start computation or execute a
procedure during saving of settings to a medium
or while reading from a medium.
138 Media drive error Exchange the medium. If the error occurs again after
170 The IP address does not belong to any of the
classes, A, B, or C.
171 There is a hole in the mask or the host address
section is not released.
172 The net address section including the subnet does
not match the subnet section of the IP address.
173 The host address section of the IP address is
either all zeroes or all ones.
Enter a correct channel.
Enter the correct wiring method.
Do not make changes.
Start the procedure or computation after completion of
the media operation.
exchanging the medium, servicing is required.
Set the correct IP address.
Set the correct subnet mask.
Set the correct net address.
Set the correct IP address.
Page 14-9 “Standard Computation Functions”
Scaling
Measurement accuracy for scaling: measurement accuracy for scaling (digits) = measurement
accuracy (digits) × scaling span (digits) / measurement span (digits) + 2 digits. Numbers below
the decimal point are rounded up.
±(((0.05/100) × 5000) + 2) × (2000/4000) + 2 = ±4.25
Measurement accuracy = ±5 digits = ±0.005 V
Page 14-14 “Normal Operation Conditions”
Installation category based on IEC61010-1, DSA22.2 No 61010-1.
*1
II
Pollution degree based on IEC61010-1, DSA22.2 No 61010-1.
*2
2
Warm-up time
At least 30 minutes after power switch-on.
*1
Describes a number which defines a transient overvoltage condition. It implies the regulation for impulse
withstand voltage. “II” applies to electrical equipment which is supplied from fixed installations like distribution
boards.
*2
Describes the degree to which a solid, liquid, or gas which deteriorates dielectric strength or surface
resistivity is adhering. “2” applies to normal indoor atmosphere. Normally, only non-conductive pollution
occurs.
Page 14-15 “EMC Conformity Standards”
Please refer to these specifications instead of the one printed in the user’s manual.
Safety and EMC Standards
CSA CSA22.2 No.61010-1, installation category II, pollution degree 2
UL UL61010-1 (CSA NRTL/C)
C-Tick EN55011 compliance, Class A, Group 1
KC marking Electromagnetic wave interference prevention standard, electromagnetic wave protection
standard compliance
IM DR231-01E-98 3/3
for IM DR231-01E 9th Edition
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