The dual display Partlow MIC 8200 process controller is a 1/4 DIN single loop unit capable of measuring, displaying, and controlling a process variable in applications such as temperature, pressure, flow, and level.
Most heating outputs are easily tuned using the Partlow MIC 8200's auto tune function, which has several choices for control algorithms and control responses. Control functions, alarm settings, and other parameters are easily entered through the unit's front keypad. All user's data can be protected from unauthorized changes with the Enable mode security system. MIC 8200 controllers have an additional data protection feature in which battery back-up protects against data loss during AC power outages.
The MIC 8200 can control a variety of processes including those requiring simple on-off to dual 4-20mA outputs with full PID, while providing the operator with constant visual indication of process and setpoint. The top display may be programmed to show the process variable or deviation from setpoint. The lower display, when programmed, is keypad selectable to show setpoint 1, setpoint 2, or percent output.
Input to the 8200 is user-configurable to directly connect to thermocouple, RTD, mVDC, VDC, or mADC inputs. Thermocouple and RTD linearization, as well as thermocouple cold junction compensation, are performed automatically by the Partlow MIC 8200 controller. The sensor input is isolated, and the device can be specified to operate on either 115VAC or 230VAC power at 50/60Hz. It is housed in a 1/4 DIN extruded aluminum enclosure suitable for panel mounting and may be surface mounted using an optional adapter.
Options include single or dual 4-20mA output, up to three relay outputs, three types or alarms, remote setpoint input, electric motor modulation, and RS-485 communications. Process value retransmission output is also available.
• 1/4 DIN for easier viewing
• CSA certified, CE, and UL recognized
• Universal input or specified input
• Relay, solid state relay driver, or 4-20mA outputs
• Transmitter Power Supply
• Position Proportioning
• RS-485 Communications
• Remote Setpoint
• Power Supply 90-264VAC or optional 24V AC/DC
| Thermocouple Types | J, K, T, R, S, E, B, N, and C |
| RTD | 100 ohm (.00385 Ohm/Ohm/C) |
| Volts | 0 to 5VDC, 1 to 5 VDC |
| Milivolts | 0 to 25mVDC, 0 to 50mVDC,10 to 50mVDC |
| Milliamps | 4 to 20mADC, accommodated via the addition of a shunt resistor |
| Remote Setpoint | 0 to 5VDC, 1 to 5 VDC |
| Sensor Fault Detection | Displays Hi or Lo for thermocouple or RTD inputs (10% above or below range) and sensor break, SnSr. On/Off outputs go off, proportional outputs go to 0%. Sensor fault detection is not functional for 0 to 5VDC. |
| Relay | SPST 115VAC: 5.0 A Resistive; 1/8 HP or 250VA 230VAC: 2.5 A Resistive; 1/8HP or 250VA |
| SSR Driver | Open collector output Short circuit protected at 100mA maximum Provides 4VDC at 20mA or 3VDC at 40mA |
| Current Output | 4-20mADC into 650 ohms maximum |
| Digital Display | Four 7 segment LED's each .36 inches high |
| Status Indicators | Individual LED indictors for Setpoint 1, Setpoint 2, Out 1, Out 2, Manual, Alarm, Degrees F, Degrees C, or Engineering Units, minus sign for negative values, Process Value, Percent Output 1, Percent Output 2, and Remote Setpoint |
| Process Alarm | -9999 to 9999 units |
| Devitation Alarm | -3000 to 3000 units |
| Deviation Band Alarm | 1 to 3000 units |
| On/Off Hysteresis | 0 to 300 units |
| Proportional Band | 1 to 3000 units |
| Manual Reset | -1500 to 1500 units |
| Auto Reset | 0.0 to 100.0 repeats/minute |
| Rate | 0.0 to 10.0 minutes |
| Cycle Time | 1 to 240 seconds |
| Position Prop. Sensitivity | 0.0 to 50.0% |
| First Output Position | -1000 to 1000 units |
| Second Output Position | -1000 to 1000 units |
| Measurement Error Limit | • Type J, K, T, E, N, C thermocouples and RTD +/- 0.25% of reading plus 1 degree at 25 C • Type R, S, B thermocouple +/- 0.25% of span at 25 C • mVDC, mADC and VDC +/- 0.25% of span at 25 C |
| Ambient Temperature Error | 0.01% of span per degree C deviation from 25 C |
| Scan Rate | 1 scan per second, 3 scans available |
| Display Resolution | T/C & RTD: 0.01 or 1 degree mV & VDC: 0.001, 0.01, 0.1, or 1.0 |
| Auto Reset Windup Inhibit | Auto reset is disabled when the process is outside of the proportional band |
| Cold Junction Compensation | Self compensation for ambient temperature. All calibration values are stored in memory |
| Noise Rejection | Normal mode, 85dB minimum at 60Hz or greater. Common mode, 90dB minimum –24VAC maximum for RTD input, 115VAC maximum for other inputs. |
| Line Voltage | 115/230VAC +/- 10% 50/60 Hz |
| Power Consumption | 15VA maximum |
| Operating Temperature | 0 to 55 C, 32 to 131 F |
| Storage Temperature | -40 to 65 C, -40 to 149 F |
| Humidity | 0 to 90% RH, non condensing |
| Dimensions | 1/4 DIN front panel, 5.8" deep |
| Weight | 3 pounds maximum |
| Vibration | 0.5 to 100Hz at 0.5g |
| Agency Approvals | UL and CSA |
| Transmitter Power Supply | Provides up to 40mA @ 24VDC. |
| Communications Type | RS-485 serial communication port: Half-Duplex bi-directional comm. |
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