47DAC Digital Panel Meters

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Digital Panel Meters 47 Series AC INPUT DIGITAL PANEL METER

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Detail

47DAC

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 [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 M-System's 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 M-System’s 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 max.
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.

SYSTEM CONFIGURATION EXAMPLES

M-System Co., Ltd.

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