Programmable LED Indicator – PR Electronics 5715

Features

  • 4-digit 14-segment LED display
  • Input for mA, V, Ohm, RTD, TC and potentiometer
  • 4 relays and analog output
  • Universal supply
  • Programmable via front keys and PC
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Application

  • Display for digital readout of current / voltage / resistance / temperature or 3-wire potentiometer signals.
  • Process control with 4 pairs of potential-free change-over relays and analog output.
  • For tank level control, with the possibility of customer linearization ensuring correct level measurement and control in non-linear tanks.

Technical characteristics

  • 4-digit LED indicator with 13.8 mm 14-segment characters. Max. display readout -1999…9999 with programmable decimal point and relay ON / OFF indication.
  • All standard operational parameters can be adjusted to any application by way of the front function keys. When programming is carried out by way of a PC and the configuration program PReset, additional configuration options are available, such as customer-defined linearization and special input signals.
  • Help texts in eight languages can be selected via a menu item.
  • A menu item allows the user to minimize the installation test time for the relay outputs by activating / deactivating each relay independently of the input signal.

Mounting / installation

  • To be mounted in panel front. The included rubber packing must be mounted between the panel cutout hole and the display front to obtain a protection degree of IP65 (type 4X). For extra protection in extreme environments, PR5715 can be delivered with a specially designed splash-proof cover as accessory.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree (mounted in panel) IP65 / Type 4X
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 48 x 96 x 120 mm
Cut out dimensions 44.5 x 91.5 mm
Weight approx. 260 g
Wire size, pin 41-46 (max.) 0.05…1.31 mm2 AWG 30…16 stranded wire
Wire size, others, max. 0.05…3.31 mm2 / AWG 30…12 stranded wire
Vibration IEC 60068-2-6
2…13.2 Hz ±1 mm
13.2…100 Hz ±0.7 g
COMMON SPECIFICATIONS
Supply
Supply voltage, universal 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC
Max. required power 3.3 W (5715B) 3.8 W (5715D)
Internal power dissipation 3.0 W (5715B) 3.5 W (5715D)
Isolation voltage
Isolation voltage, test / working 2.3 kVAC / 250 VAC
Response time
Temperature input (0…90%, 100…10%) ≤ 1 s
mA / V input (0…90%, 100…10%) ≤ 400 ms
Auxiliary supplies
2-wire supply (pin 46…45) 25…15 VDC / 0…20 mA
Signal / noise ratio Min. 60 dB (0…100 kHz)
Accuracy Better than 0.1% of sel. range
Programming Loop Link
EMC immunity influence < ±0.5% of readout
INPUT SPECIFICATIONS
RTD input
RTD type Pt10/20/50/100/200/250; Pt300/400/500/1000; Ni50/100/120/1000; Cu10/20/50/100
Cable resistance per wire 50 Ω (max.)
Sensor current Nom. 0.2 mA
Effect of sensor cable resistance (3-/4-wire) < 0.002 Ω / Ω
Sensor error detection Yes
Short circuit detection < 15 Ω
Linear resistance input
Linear resistance min….max. 0 Ω…10000 Ω
Potentiometer input
Potentiometer min….max. 10 Ω…100 kΩ
TC input
Thermocouple type B, E, J, K, L, N, R, S, T, U, W3, W5, LR
CJC via int. mounted sensor ±(2.0°C + 0.4°C * Δt)
Δt = Internal temp.-ambient temp.
Sensor error detection Yes
Sensor error current: When detecting / else Nom. 2 μA / 0 μA
Current input
Measurement range 0…20 mA
Programmable measurement ranges 0…20 and 4…20 mA
Input resistance Nom. 20 Ω + PTC 25 Ω
Sensor error detection Loop break 4…20 mA
Voltage input
Measurement range 0…12 VDC
Programmable measurement ranges 0/0.2…1; 0/2…10 VDC
Input resistance Nom. 10 MΩ
OUTPUT SPECIFICATIONS
Display
Display readout -1999…9999 (4 digits)
Decimal point Programmable
Digit height 13.8 mm
Display updating. 2.2 times / s
Input outside input range is indicated by Explanatory text
Current output
Signal range 0…20 mA
Programmable signal ranges 0…20/4…20/20…0/20…4 mA
Load (@ current output) ≤ 800 Ω
Load stability ≤ 0.01% of span / 100 Ω
Sensor error indication 0 / 3.5 / 23 mA / none
NAMUR NE43 Upscale/Downscale 23 mA / 3.5 mA
Output limitation, on 4…20 and 20…4 mA signals 3.8…20.5 mA
Output limitation, on 0…20 and 20…0 mA signals 0…20.5 mA
Current limit ≤ 28 mA
Relay output
Relay functions Setpoint
Hysteresis 0…100%
ON and OFF delay 0…3600 s
Sensor error reaction Break / Make / Hold
Max. voltage 250 VRMS
Max. current 2 AAC
Max. AC power 500 VA
Max. load at 24 VDC 1:00 AM
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
EAC TR-CU 020/2011
APPROVALS
DNV-GL Marine Stand. f. Certific. No. 2.4
UL UL 508 / C22.2 no. 14

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