·Some details are not shown. Please refer to specification sheets for all information.

47NLRT

Digital Panel Meters 47NL Series

RTD INPUT DIGITAL PANEL METER
(4 digit, LED display type, with terminal block)

Functions & Features
• 4 digit RTD input digital panel meter
• Moving average function to suppress the display flickering
• Max. and Min. value display
• Photo MOSFET relay alarm output
• Dedicated terminal block for I/O 
 

MODEL: 47NLRT-[1][2]-R[3]

ORDERING INFORMATION
• Code number: 47NLRT-[1][2]-R[3]
Specify a code from below for each [1] through [3].
  (e.g. 47NLRT-4R-R/Q)
• Specify the specification for option code /Q
  (e.g. /SET)

[1] INPUT
1: JPt 100 (JIS'89)
3: Pt 100 (JIS'89)
4: Pt 100 (JIS'97, IEC)
5: Pt 50 Ω (JIS'81)
7: Pt 1000

[2] DISPLAY COLOR
R: Red
YR: Orange
G: Green
B: Blue
W: White

POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[3] OPTIONS
blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-9566)

GENERAL SPECIFICATIONS
Construction: Panel mount type
Degree of protection: IP66; Applicable to the front of the panel meter mounted according to the specified panel cutout.
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 mm2 (AWG 22 to 16)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (gray)
Isolation: Input to alarm output to power
Burnout: Upscale standard; downscale optional by programming
Setting: (Front button)
• Alarm setpoint
• Deadband (hysteresis)
• Moving average
• Others
(Refer to the operating manual for details)
Averaging: None or moving average
Lockout setting: Prohibiting certain operations; protecting settings

DISPLAY
Display: 16 mm (.63) high, 4 digits, 7-segment LED
Display range: -9999 to 9999
Minimum display/setting scale: 0.1°C or 1°F
Decimal point position: 10–1 or none
Zero indication: Higher-digit zeros are suppressed.
Over-range indication: ‘S.ERR’ and ‘Min’ or ‘Max’ blinking when the input signal is out of the usable range.
Burnout indication: ‘B.ERR’and function status 'Min' or 'Max' are displayed and blinking.
Alarm status indication
  L indicator: Green turns on when the L alarm is tripped.
  H indicator: Red turns on when the H alarm is tripped.
  P indicator: Amber turns on when none of the other alarms
  is tripped.
  Only ‘P’ turns on when no-alarm is selected with
  alarm setpoint.
Function indicators:
Zro, Spn, D/P, Tch, Fnc, Min, Max
Display mode status and operation status, amber ON or blink
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, pH, %, ppm, etc.

INPUT SPECIFICATIONS
RTD: 3-wire RTDs
Maximum leadwire resistance: 60 Ω per wire
Sensing current:
JPt 100 (JIS '89): 0.5mA
Pt 100 (JIS '89): 0.5mA
Pt 100 (JIS '97, IEC): 0.5mA
Pt 50 Ω (JIS '81): 0.5mA
Pt 1000: 0.05mA

OUTPUT SPECIFICATIONS
Alarm Output: Photo MOSFET Relay
Rating: 26.4 V DC @ 100 mA (resistive load)
ON resistance: ≤ 5 Ω

INSTALLATION
Power consumption
DC: 0.7 W max.
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 10 to 90 %RH (non-condensing)
Mounting: Screw mounting
Weight: 120 g (0.26 lb)

PERFORMANCE
Accuracy
  Display
: ±1℃ ± 1 digit (±2°F ± 1 digit)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec.
(alarm output: 0 – 100 % at 90 % setpoint)
Burnout response: ≤ 10 sec.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (input to alarm output to power to ground)

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
  EN 50581

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

MOUNTING REQUIREMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.