ES-9538 Rev.9
40DCT
Digital Panel Meters 40 Series
AC CURRENT INPUT DIGITAL PANEL METER
(4 digit, process meter, true RMS sensing)
Functions & Features
• 4 digit (±9999) panel meter
• Scaling and HOLD functions
• High visible, 0.8" (20.3mm) high and bright LED
MODEL: 40DCT–[1]–[2][3]
ORDERING INFORMATION
• Code number: 40DCT–[1]–[2][3]
Specify a code from below for each of [1] through [3].
(e.g. 40DCT-A5-K3/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)
[1] INPUT
Current
A1
: 0.00 - 20.00 mA AC (Conformance range)
(Input range: 0.00 – 24.00 mA AC, Input resistance: 5 Ω)
A2
: 0.0 - 200.0 mA AC (Conformance range)
(Input range: 0.0 – 240.0 mA AC, Input resistance: 0.5 Ω)
A3
: 0.000 - 2.000 A AC (Conformance range)
(Input range: 0.000 – 2.400 A AC, Input resistance: 0.05 Ω)
A4
: 0.000 - 1.000 A AC (Conformance range)
(Input range: 0.000 – 1.200 A AC, Input transformer burden: 0.1 VA)
A5
: 0.000 - 5.000 A AC (Conformance range)
(Input range: 0.000 – 6.000 A AC, Input transformer burden: 0.5 VA)
[2] POWER INPUT
AC Power
K3
: 100 – 120V AC
(Operational voltage range 85 - 132 V, 47 - 66 Hz)
L3
: 200 – 240V AC
(Operational voltage range 170 - 264 V, 47 - 66 Hz)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±20 %, ripple 10 %p-p max.)
[3] OPTIONS
blank
: none
/Q
: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)
Moving parts and indicators are not coated.
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
EX-FACTORY SETTING
/SET
: Preset according to the Ordering Information Sheet
(No. ESU-9538)
GENERAL SPECIFICATIONS
Construction
: Panel flush mounting
Connection
: M3 screw terminals (torque 0.6 N·m)
Solderless terminal
: Refer to the drawing at the end of the section.
Recommended manufacturer
: Japan Solderless Terminal MFG.Co.Ltd, Nichifu Co.,ltd
Applicable wire size
: 0.25 to 1.65 mm
2
(AWG 22 to 16)
Screw terminal
: Nickel-plated steel
Housing material
: Flame-resistant resin (gray)
Isolation
: Input to power
Input waveform
RMS sensing
: Up to 15 % of 3rd harmonic content
Sampling rate
: 10 times/sec. (100 msec.)
Averaging
: None or moving average
Setting
: (Front button)
• Scaled range
• Low-end cutout
• Moving average
• Brightness
• Others
■Recommended solderless terminal
DISPLAY
Display
: 4 digits of 20.3 mm (0.8 inch) height, 7-segment, red LED
Display range
: -9999 to 9999
Scaling range
: -9999 to 9999 counts
Decimal point position
: 10
-1
, 10
-2
, 10
-3
or none
Zero indication
: Higher-digit zeros are suppressed.
Over-range indication
: '-9999' or '9999' blinking for display values out of the display range. 'S.ERR' blinks surpassing the permissible range. 'ERR' blinks when input scaling setting is inappropriate.
Engineering unit indication
: Sticker label attached
DC, AC, mV, V, kV, μA, mA, A, kA, mW, W,
kW, var, kvar, Mvar, VA, Hz, Ω, kΩ, MΩ,
cm, mm, m, m/sec, mm/min, cm/min, m/min,
m/h, m/s
2
, inch, ℓ, ℓ/s, ℓ/min, ℓ/h, m
3
, m
3
/sec,
m
3
/min, m
3
/h, Nm
3
/h, N·m, N/m
2
, g, kg, kg/h,
N, kN, Pa, kPa, MPa, t, t/h, ℃, °F, %RH, J,
kJ, MJ, rpm, sec, min, pH, %, ppm, etc.
INPUT SPECIFICATIONS
■
AC Input
Frequency
: 40 - 100 Hz; 45 – 65 Hz for input code A4 and A5
Overload capacity
: 500 % of rating for 3 sec., 200 % for 10 sec., 120 % continuous
Input burden
:
A1: 0.002 VA
A2: 0.02 VA
A3: 0.2 VA
A4: 0.1 VA
A5: 0.5 VA
■ Hold Input
: Dry contact input
Detecting level
: ≤ 1.5 V
Sensing
: Approx. 5 V DC, 1 mA
INSTALLATION
Power consumption
•
AC
:
≤ 3.0 VA for 100 – 120 V
≤ 4.2 VA for 200 – 240 V
•
DC
: ≤ 1.0 W
Operating temperature
: -10 to +55°C (14 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Panel flush mounting
Weight
: 180 g (0.40 lb)
PERFORMANCE
Input accuracy
:
A1 to A3: ±0.4% rdg ±1digit,
(< 35 % of full scale: ±0.4% FS ±1digit)
A4 to A5: ±0.4% FS ±1digit
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Line voltage effect
: ±0.2 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @ 1 minute
(input to power to ground)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Measurement Category I (input)
Installation Category II (power)
Pollution degree 2
Input to power: Reinforced insulation (300 V)
RoHS Directive
DISPLAY HOLD COMMAND
Displayed value is held with an external HOLD command input. Connect the contacts across HOLD to COM.
(Isolate with photo-coupler or relay as terminals 3 and 4 are not isolated to input signal, terminals 1 and 2.)
EXTERNAL VIEW
PARAMETER LIST
■ SCALING SETTING MODE
■ DISPLAY SETTING MODE
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
MOUNTING REQUIREMENTS unit: mm
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM