Signal Controller – PR Electronics 2286

Features

  • Multiple functions
  • Programmable from front
  • 3-digit LED display
  • Analog or Pt100 input
  • Relay outputs
  • Max. 50% offset
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Advanced features

  • Programmed via the user interface which consists of a 3-digit display and 3 function keys in the front panel.

Application

  • PID on/off controller, PI step controller or 3-band controller with analog or Pt100 input.
  • As trip amplifier with setpoint adjustment through external current / voltage signal with neutral zone surrounding the setpoint.

Technical characteristics

  • The A and B channels can be freely programmed via the front keys and JP1 and JP2 to current in the range 0…20 mA or voltage in the range 0…10 VDC.
  • Linearized Pt100 temperature input in the range -99…+850°C with 3-wire connection.
  • PID on/off controller with accurate setting of the regulation parameters XP (proportional band), TI (integrating time) and TD (differentiating time).
  • Functions include PI step and-band controller, dl/dt function and comparator or trip amplifier with an external setpoint.
  • 2 relay outputs with a make contact connected to a common point.
  • Relay outputs can be installed in PELV/SELV circuits.
  • Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP50
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 80.5 x 35.5 x 84.5 mm (D is without pins)
Weight approx. 140 g
COMMON SPECIFICATIONS
Supply
Supply voltage 19.2…28.8 VDC
Max. required power 3 W
Internal power dissipation 2.5 W
Isolation voltage
Isolation voltage, test / working 3.75 kVAC / 250 VAC
PELV/SELV IEC 61140
Response time
Response time < 60 ms
Signal / noise ratio Min. 60 dB
Signal dynamics, input 20 bit
Effect of supply voltage change < ±0.002% of span / %V
Proportional band (XP) 0.01…999%
Gain, 1/XP = 0.1…10000
Integrating time (TI) 0…999 s
Differentiating time (TD) 0…999 s
Neutral zone (nEU) 0…99.9 %
Pulse time (TP) 0.01…400 s
Min. pulse time (TP) 0.01…10 s
Auxiliary voltages: Reference voltage 2.5 VDC ±0.5% / 15 mA
Temperature coefficient < ±0.01% of span / °C
Linearity error < 0.1% of span
EMC immunity influence < ±0.5%
INPUT SPECIFICATIONS
Common input specifications
Max. offset 50% of selected max. value
Current input
Measurement range 0…20 mA
Min. measurement range (span) 4 mA
Input resistance 50 Ω
Voltage input
Measurement range 0…10 VDC
Min. measurement range (span) 200 mV
Input resistance Nom. 10 MΩ
RTD input
RTD type Pt100 (2286B)
Cable resistance per wire 25 Ω (max.)
Sensor current Nom. 1.25 mA
OUTPUT SPECIFICATIONS
Relay output
Relay functions Setpoint
Max. voltage 250 VRMS
Max. current 2 AAC
Max. AC power 500 VA
Max. load at 24 VDC 1:00 AM
of span = of the presently selected range
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
EAC TR-CU 020/2011

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