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47DAC Digital Panel Meters
Digital Panel Meters 47 Series
AC INPUT DIGITAL PANEL METER
(5½ digit, LCD display type, true RMS sensing)
Functions & Features
• 5 1/2 digit AC input digital panel meter
• Scaling range -20000 to 100000
• 1/8 DIN size
• Display color can be changed at alarm
• Bargraph indicator shows approximate measuring status
• External event trigger input
• RS-485 / Modbus RTU output
• Infrared interface
• BCD output
• Loop test output (DC output option)
• IP66 front panel
• Separable terminal block
• Safety terminal cover tethered to the device with a strap
MODEL: 47DAC-[1][2][3]-[4][5]
ORDERING INFORMATION
• Code number: 47DAC-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. 47DAC-111-M2/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01/SET)
[1] INPUT
1: AC voltage
2: AC current
[2] DC OUTPUT
0: Without
1: With
[3] I/O OPTIONS
0: None
1: Alarm output: N.O. relay, 4 points
2: Alarm output: SPDT relay, 2 points
3: Alarm output: N.O. photo MOSFET relay, 4 points
4: Network interface: RS-485 / Modbus RTU
5: BCD output
6: Event trigger input
7: Alarm output: N.O. relay, 4 points
+ Network interface: RS-485 / Modbus RTU
8: Alarm output: SPDT relay, 2 points +
Network interface: RS-485 / Modbus RTU
9: Alarm output: N.O. photo MOSFET relay, 4 points + BCD output
A: Event trigger input + BCD output
[4] POWER INPUT
AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, 50/60 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[5] 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
TERMINAL SCREW MATERIAL
/S01: Stainless steel
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-9518)
RELATED PRODUCTS
• Connector terminal block (model: CNT)
• Special cable (model: HDR40)
• Infrared Communication Adaptor (model: COP-IRU)
• PC configurator software (model: 47DCFG)
Downloadable at our web site.
GENERAL SPECIFICATIONS
Construction: Panel flush mounting
Degree of protection: IP66; applicable to the front of the panel meter mounted according to the specified panel cutout
Connection
Input, DC output, relay output, network interface, power:
M3 separable screw terminal (torque 0.6 N·m)
Photo MOSFET relay, event trigger input: Euro Type
Connector Terminal
(applicable wire size: max. 1.3 dia., 0.5 – 1.25 mm2,
stripped length 7 - 8 mm)
BCD output: 50-pin connector
(Honda Tsushin Kogyo HDR-EC50LFDT1-SLE+)
Screw terminal: Nickel-plated steel (standard) or stainless steel
Housing material: Flame-resistant resin (gray)
Isolation: Input to DC output to HH output or H output to L output or LL output to network or BCD output or event trigger input to power
Input waveform: Up to 15 % of 3rd harmonic content
Infrared communication: Transmission distance max. 1 meter (for use with the COP-IRU)
Setting: (Front button)
• Scaled range
• Input type
• Alarm setpoint
• Hysteresis (deadband)
• Averaging
• Others
(Refer to the instruction manual for details)
Sampling rate: 20 times/sec. (50 msec.)
Averaging: Simple average, moving average or no averaging
Lockout setting: Prohibiting certain operations; protecting settings
DISPLAY
Main display: 5½ digits, LCD with LED backlight, 7-segment, 14.2 mm (.56) high
Color: Red or green changeable at alarm
Scaling range: -20000 to 100000
Decimal point position: 10–1, 10–2, 10–3, 10–4 or none
Zero indication: Higher-digit zeros are suppressed.
Sub display: 7 digits, LCD with LED backlight, 7-segment,
5.5 mm (.22) high
Color: Green
Over-range indication: ‘-20000’ or ‘100000’ blinking for display values out of the scaled range (decimal point position depending upon setting). ‘S.ERR’ (main display) and ‘OVER’ (sub display) blinking when the input signal is out of the usable range.
Bargraph
No. of LED segments: 20, displayed with divided by 10
Color: Amber
Alarm status indication
All setpoints can be set and indicated regardless of alarm output options. Each is independently set either for Hi or Lo alarm trip.
LL indicator: Turns on in red when the LL alarm is tripped.
L indicator: Turns on in red when the L alarm is tripped.
H indicator: Turns on in green when the H alarm is tripped.
HH indicator: Turns on in green when the HH alarm is tripped.
P indicator: Turns on in amber when none of the other alarms is tripped.
Status indicators: Max, Min, FZ, TZ
Display max./min. value, Amber LED turns on at
forced zero mode and tare adjustment mode
Function indicators
Hld: Turns on in green when HOLD signal is ON
TG: Turns on in green when TIMING signal is ON
NG: Blinking in green when a parameter is invalid
Zro: Turns on in green at zero setting of scaling setting mode
Spn: Turns on in green at span setting of scaling setting mode
Tch: Turns on in green at input scaling, blinking in red at teach calibration
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/s2, inch, ℓ, ℓ/s, ℓ/min, ℓ/h, m3, m3/sec,
m3/min, m3/h, Nm3/h, N·m, N/m2, g, kg, kg/h,
N, kN, Pa, kPa, MPa, t, t/h, ℃, °F, %RH, J,
kJ, MJ, rpm, sec, min, min-1, pH, %, ppm, etc.
INPUT SPECIFICATIONS
Input frequency: 40 Hz – 1 kHz
Overload capacity: 200 % of rating for 10 sec.,
110 % of rating continuous
DC OUTPUT SIGNAL SPECIFICATIONS
I/O OPTIONS
■ Event Trigger Input: Dry contact or NPN open collector
Input current: ≤ 3 mA
Sensing: 6 V
Contact detecting: ≤ 1.5 V at ON; ≥ 3 V at OFF
Signal ID and Details
S-TMR: Startup Timer
Measuring starts in the predetermined time after detecting
the signal turning on.
TIMING: Timing
Used for various timing hold functions
ZERO: Forced Zero
Forced Zero and tare adjustment are externally controlled
when ZERO signal is turned on/off.
HOLD: Hold data
Reading measured signal stops and the last
value is held when HOLD signal is turned on.
RESET: Reset data
The device is reset when RESET signal is turned on.
■ Alarm Output: Relay contact
Rated load: 250 V AC @ 3 A (cos ø = 1)
30 V DC @ 3 A (resistive load)
Maximum switching voltage: 250 V AC, 30 V DC
Maximum switching power: 750 VA, 90 W (resistive load)
Minimum load: 5 V DC @ 10 mA
Mechanical life: ≥ 5 × 106 cycles (rate 180 cycles/min.)
■ Alarm Output: Photo MOSFET relay
Rated load: 120 V AC/DC @ 80 mA (resistive load)
ON resistance: 25 Ω
Permissible loss: 250 mW
■ Network Interface
Transmission: Half-duplex, asynchronous, no procedure
Interface: Conforms to TIA/EIA-485-A
Max. transmission distance: 500 meters
Baud rate: 1.2 – 38.4 kbps
Max. number of nodes: 31 (except the master)
Protocol: Modbus RTU
Parity: None, odd or even
Stop bit: 1 bit, 2 bits
Node address: 1 to 247
Media: Shielded twisted-pair cable (CPEV-S 0.9 dia.)
Terminating resistor: Built-in (Connect across T2 - T3, when the unit is the end of the line)
■ BCD Output + Control Signals
• Input Signals: Dry contact or NPN open collector
Input current: ≤ 3 mA
Sensing: 6 V
Contact detecting: ≤ 1.5 V at ON; ≥ 3 V at OFF
Signal ID and Details
REQ: Request BCD data
Valid data in approx. 30 msec. after detecting
the signal’s rising edge
MIN_REQ: Request Minimum reading data
Valid data in approx. 30 msec. after detecting
the signal’s rising edge
MAX_REQ: Request Maximum reading data
Valid data in approx. 30 msec. after detecting
the signal’s rising edge
HOLD: Hold data
Reading measured signal stops and the last value
is held when HOLD signal is turned on.
RESET: Reset data
All BCD data turn off when RESET signal is turned
on.
• Output Signals: NPN open collector
Max. load voltage: 24 V DC
Max. load current: 10 mA
Saturation voltage: ≤ 0.3 V
Leakage current: ≤ 500 μA
Signal ID and Details
DATA (Do 11...Do 68): BCD Output data in 6 digits
Do 1x = LSD ... Do 6x = 6th LSD
POL: BCD Polarity
ON = (–), OFF = (+)
OVF: BCD Overflow/underflow (scaling error)
Output given at overflow or underflow (scaling error)
DAV: Data Valid
ON = valid, OFF = invalid
RUN: Run
Means the meter is functioning.
OFF = Error except the scaling error
No DAV or DATA output is given when
RUN signal is not provided.
• Alarm Output Signals: NPN open collector
Max. load voltage: 24 V DC
Max. load current: 50 mA
Saturation voltage: ≤ 1.1 V
Leakage current: ≤ 500 μA
Signal ID and Details
HH: HH alarm trip output
H: H alarm trip output
PASS: PASS zone output
L: L alarm trip output
LL: LL alarm trip output
INSTALLATION
Power consumption
•AC:
Approx. 8 VA at 100 V
Approx. 10 VA at 200 V
Approx. 12 VA at 264 V
•DC: ≤ 3.5 W
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Panel flush mounting
Weight: 300 g (0.66 lb)
PERFORMANCE
Accuracy
Display: ±0.5 % ±10 digits with input 5 – 100 %
Output: ±0.1 %
(DC output = display + output)
Temp. coefficient: ±0.05 %/°C (±0.03 %/°F)
Input resolution: Max. 19 bits
Output resolution: Max. 14 bits
Response time: ≤ 0.5 sec.
(alarm output: 0 – 100 % at 90 % setpoint)
≤ 0.5 sec. (DC output: 0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(input to DC output to HH output or H output to L output or LL output to network or BCD output or event trigger input to power to ground)
EXTERNAL VIEW
COMMUNICATION CABLE CONNECTIONS
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
MOUNTING REQUIREMENTS unit: mm
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
BCD OUTPUT TIMING CHART
Request signals (REQ, MAX_REQ, MIN_REQ) from an external device (e.g. PLC) are required in order to read out BCD data.
All signals in the following charts are in the negative logic (ON at LOW signal, as factory set).
VIEWING ANGLE
The display is designed to provide the optimal legibility when viewed from the angles as shown below.