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Masibus 8208 8-Channel Scanner / Protection Relay

Masibus 8208 8-Channel Scanner / Protection Relay

Brand
Masibus
Model number
8208

Masibus 8208 8-Channel scanner / protection relay: 8 inputs. For generator monitoring and protection, motor protection: winding & bearing temperature.

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Key features

  • Universal input for each analog input
  • Compact 1/4 DIN mounting
  • Front panel programming
  • Fast sampling rate with instantaneous relay action
  • Four relays for alarm/trip
  • RS-485 serial communication port for remote monitoring
  • Comprehensive alarm/trip logic programming
  • Multiple levels of configuration and password protection
  • Retransmission output (Optional)

Specifications

Input
No of Input8
Input TypeThermocouple (E, J, K, T, B, R, S, N), RTD (Pt-100, 3W), current, voltage, Serial Input
Display RangeRefer table-1
ADC Resolution17 bits
Display Resolution0.1 / 1.0°C
Sampling RateTC and linear input: 100m sec./channel RTD input: 200m sec./channel
CJC Error±2.0°C
Sensor OpenAll inputs except 0-5VDC / 10VDC
T/C Burnout Current0.25µA
RTD Excitation Current1 mA (Approx.)
NMRR> 40dB
CMRR> 120dB
Temperature-Co< 100ppm/°C
Input Impedance> 1MΩ
Max. Voltage20VDC
Display & Keys
Process Value4-Digit, 0.56", red seven segment LED
Channel No.2-Digit, 0.56", green seven segment LED
Group No.1-Digit, 0.56", red seven segment LED
Status4 Red LEDs for relay status, 1 red LED auto/manual mode status, 2 green LEDs for communication, 1 red LED for fault, 16 red LEDs for alarms
KeysMenu/enter, escape, A/M, increment, shift key/decrement
Relay
No of Relays4
Rating2A@230VAC / 30VDC
Time Delay1 to 99 secs.
Operation ModeInternal: Physical AI Values, Modbus AI Values External: Direct Commands Through Modbus Master
Retransmission Output
Current0/4-20mA @ 500Ω max.
Voltage0/1-5V, 0-10V @3KΩ min.
SelectionMax. or min. or Avg. reading of channels
Operation ModeInternal: Physical AI Values, Modbus AI Values External: Direct Commands Through Modbus Master
Communication Output
InterfaceRS-485
ProtocolModbus RTU
Baud Rate9600, 19200
Power Supply
Standard85-265VAC / 110-300VDC
Optional18-36VDC
Physical
Dimension (in mm)96(H) x 96(W) x 110(D)
Front Bezel (in mm)96(H) x 96(W)
Panel Cutout (in mm)92.5(H) x 92.5(W)
Depth Behind Panel110 mm
EnclosureMolded ABS
Weight500 Grams approx.
ProtectionIP20
Terminal Cable Size2.5 mm2
Accessories2 Numbers mounting clamps
Environmental
Operating Temperature-12 to 55° C
Storage Temperature-40 to 80° C
Humidity30-95% RH non-condensing
Type test
Shock TestIEC 60068-2-27
Cold TestIEC 60068-2-1: 2007 Table 1: Display Range
RTDPt-100 / -199.9 to 850.0 °C
Product
ApplicationsGenerator Monitoring and Protection, Monitoring of Air compressor, pump, transformers, fans and blowers DG temperature monitoring, Motor protection: Winding & Bearing temperature, Water and Waste-Water remote monitoring, Electrical Sub-station monitoring, Drying Ovens, Fermentation Processes, Flow Monitoring, Retorts and Cooking Processes, Heat Treatment: to achieve desired result of hardening or softening material, Power Monitoring, As a SCADA RTU, Metal and mining applications, Machine conditi
IndustriesIIOT Industry 4.0, Power, Metal, Water, Panel Manufacturing, Chemical, Food, Paper, Pharma, Sugar

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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