Atec Yokogawa-DR232 User Manual

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separately.) Refer to the power monitor module.

GP-IB Communications Option (/C1)

●

Applicable models and outline specifications

DR231 stand-alone model (For the DR232, the GP-IB module is sold separately.)
Refer to the GP-IB module.
RS-232C Communications Option (/C2)

●

Applicable models and outline specifications

DR231 stand-alone model (For the DR232, the RS-232C module is sold
separately.) Refer to the RS-232C module.

RS-422A/485 Communications Options (/C3S)

●

Applicable models and outline specifications

DR231 stand-alone model (For the DR232, the RS-422A/485 modules are sold
separately.) Refer to the RS-422A/485 module.

Ethernet Communications Option (/C7)

●

Applicable models and outline specifications

DR231 stand-alone model (For the DR232, the Ethernet module is sold
separately.) Refer to the Ethernet module.

Alarm Contact Output Option (/A4)

●

Applicable models and outline specifications

DR231 stand-alone model (For the DR232, the alarm contact output module is
sold separately.) Refer to the alarm output module.

Recorder Function Remote Control Option (/R1)

●

Applicable models and outline specifications

DR231 stand-alone model (For the DR232, the DI/DO module is sold separately.)
The DR232 expandable model incorporates fail and chart-end outputs as
standard features. Refer to the DI/DO module.

Input Module

Specifications Common to Input Module

●

Normal Operating Temperature/Humidity Range

Universal, DCV/TC/DI input modules:

–10 to 60˚C, 20 to 80% RH
(non condensing)

mA, power monitor, strain, pulse input modules: 0 to 50˚C, 20 to 80% RH

(non condensing)

●

Withstanding Voltage

Between input terminals:

1,000 VAC (50/60 Hz) for one minute
Strain input: 50 VDC (50/60 Hz, 1

minute, except DU500-14)

Between input terminal and ground:

1,500 VAC (50/60 Hz) for one minute

Universal Input Modules
DCV/TC/DI Input Modules

Model

Module

Number of Channels Type of Terminal Measurement Interval

Universal input

DCV/TC/DI input

DU100-11

DU100-12

DU100-21

DU100-22

DU100-31

DU100-32

DU200-11

DU200-12

DU200-21

DU200-22

DU200-31

DU200-32

Screw

Clamp

Screw

Clamp

Screw

Clamp

Screw

Clamp

Screw

Clamp

Screw

Clamp

0.5 s

2 s

0.5 s

2 s

●

General Specifications

Input method:

Floating imbalance input, and inter-channel isolation
RTD and pulse inputs are of the same potential within
the same input module.

A/D resolution:

20,000

A/D integration time:

Manual selection or automatic switchover between

20 ms (50 Hz), 16.7 ms (60 Hz) and 100 ms (10 Hz)

Measurement Range

DC voltage range:

20 mV to 50 V

Thermocouple:

R, S, B, K, E, J, T, L, U, N, W, KP-Au7Fe

RTD:

Pt100, JPt100, Ni100, Ni120, Cu10, and J263*B

Contact input:

Voltage-free contact input or voltage input

Mixed input is allowed for DC voltage, thermocouple, RTD and contact inputs.
(For an DCV/TC/DI input module, RTD input is not allowed.)

Measurement accuracy:

(0.05% of reading + 2 digits)

(at 2-V range, 23

2˚C and 55

10% RH)

Noise rejection:

By means of integrating A/D, low-pass filter or moving
average

Burnout:

Detected within thermocouple-input range

DC Current Input Modules

Model

DU300-11

DU300-12

Number of Channels

Measuring Interval

0.5 s

Type of Terminals

Screw

Clamp

●

General Specifications

Input method:

Floating imbalance input, and inter-channel isolation
Shunt resistor (100

Ω

) is pre-installed.

A/D resolution:

20,000

A/D integration time:

Manual selection or automatic switchover between

20 ms (50 Hz), 16.7 ms (60 Hz) and 100 ms (10 Hz)

Measurement range (resolution):

20 mA (1

Noise rejection:

By means of integrating A/D, low-pass filter or moving
average

Power Monitor Modules

Model

Number of Channels

Type of Terminal Measurement Interval

DU400-12 For single phase: one for voltage and one for current

Clamp

2 s

DU400-22 For 3 phases: three for voltage and three for current

Clamp

2 s

Input method:

Transformer isolation

Measured variables:

Six items can be selected from the following: RMS
value of AC voltage/current, active power, apparent
power, reactive power, frequency, power factor and
phase angle (There is a restriction in combining
selected items.

Measurement range (resolution):
Voltage:

250 V (0.1 Vrms), 25 V (0.01 Vrms)

Current:

5 A (0.001 Arms), 0.5 A (0.001 Arms)

Measurement accuracy:

(0.5% of span when RMS V and A are measured)

Measured frequency:

45 to 65 Hz (all channels must have the same frequency)

Crest factor:

Up to 3

Power integration:

Calculated by /M1 (computation functions) option.
/M1 must be specified for the DR230.

Strain Measurement Modules

Model

Number of Channels

Type of Terminal Measurement Interval

DU500-12

10*, with built-in 120

Ω

resistance

Clamp

0.5 s

DU500-13

DU500-14

10*, with built-in 350

Ω

resistance

10*, for external bridge box

Clamp

NDIS

0.5 s

*: 2 modules' width is required.

●

General Specifications

Measurement range (resolution):

2,000

µε

(0.1

µε

) ,20,000

µε

) ,200,000

µε

(10

µε

)

Built-in bridge resistance:

120

Ω

, 350

Ω

, or none (for an external bridge box)

Wiring:

1/4 bridge, 1/2 bridge (neighbor), 1/2 bridge (opposite),
full bridge

Applicable gaugeresistance: 1/4 or 1/2 bridge: 120 or 350

Ω

Full bridge:

100 to 1,000

Ω

Bridge voltage:

Fixed at 2 V

Gauge factor:

2.00 (with scaling function)

Strain balance:

Electronic auto-balancing (can be turned on or off in
each module) within

10,000

µε (1/4

bridge

)

Pulse Measurement Modules

Model

Number of Channels

Type of Terminal Measurement Interval

DU600-11

Screw

0.5 s*

*: Rate of data update is fixed at one-second interval.

Input method:

Shared common line within the same module

Type of input:

Non-voltage contact or open collector (TTL or
transistor)

Measurement modes
RATE (count value instantaneous mode):

The number of pulses input during the most recent
one-second period of measurement is output as the
scale set value.

GATE (ON time instantaneous mode):

The ON (make)/OFF (break) state (ON = 1, OFF = 0)
of the contact input during the most recent one-
second period of measurement is output as the scale
set value.

Pulse integration:

The computation function is used when integrating

either the count value each second or the ON period.

Computation formula:

TLOG.PSUM (XXX)

Number of computation channels:

Max. 60 channels

Max. count value/ON period:

99999999
(/M1 (computation option) need not be specified for
the DA100 or DR recorder main unit. Pulse integration
can be used automatically when a pulse module is
recognized.)

Maximum input frequency:

6 kP/s (10 P/s for voltage-free contact)

Filter:

For rejection of chattering up to 5 ms (can be turned
on and off for every channel)

Digital Input Module

Model

Number of Channels

Type of Terminal Measurement Interval

DU700-11

Screw

0.5 s

●

General Specifications

Input method:

Unbalanced floating-point, with channel-to-channel
isolation (individually separated channels)

Measuring range:

Voltage input

2.3 V or less ............. 0
2.5 V or greater ........ 1

Voltage-free contact input

Off (open) ................. 0
On (closed) .............. 1

Maximum input voltage range:

Voltage input

60 V DC

Voltage-free contact input

10 V DC

Alarm, DI/DO and Other Modules

Alarm Contact Output Modules

Model

Number of Outputs

Contact Arrangement

Type of Terminal

DT200-11

DT200-21

SPDT (NO-C-NC)

Make contact (NO-C)

Screw

●

General Specifications

Output mode:

Selection between excitation and non-excitation,
output hold and non-hold and AND and OR modes
Re-breakdown re-alarm: Maximum of 6 contacts can
be selected.

Contact capacity:

250 VDC/0.1 A (resistive load),30 VDC/2 A (resistive
load),250 VAC/2 A (resistive load)

DI/DO Modules

●

Common Specifications

Model:

DT100-11

The DR232 expandable model incorporates fail and chart-end output as standard
features. (Up to 1 module can be connected to the DR230 expandable model.)

●

Alarm Contact Output

Number of outputs:

Contact mode:

C contact—NO-C-NC terminal

Contact capacity:

250 VDC/0.1 A (resistive load),30 VDC/2 A (resistive
load),250 VAC/2 A (resistive load)

●

Chart End Output

Outline of functions:

The chart end output terminal is energized if the
recording paper in the recorder breaks.
The DR stand-alone model uses the /R1 option.

Contact mode:

Make contact (NO-C). Cannot be switched between
excited and non-excited.

Contact capacity:

250 VDC/0.1 A (resistive load),30 VDC/2 A (resistive
load),250 VAC/2 A (resistive load)

●

Fail Output

Function:

If an abnormality is found in the total system, the fail
output terminal is de-energized.

Output mode:

Make contact (NO-C). Cannot be switched between
excited and non-excited.