Description
Application – 3111 TC converter isolated
- The 3111 TC converter isolated measures standard TC J and K temperature sensors and provides an isolated analog voltage or current output.
- High 3 port isolation provides surge suppression and protects the control system from transients and noise.
- The 3111 can be mounted in the safe area or in Zone 2 / Division 2 areas.
- Approved for marine applications.
Technical characteristics
- Flexibly powered by 24 VDC (±30%) via power rail or connectors.
- < 30 ms fast response time with simultaneous sensor error detection when selected.
- Selectable 300 ms response time when signal dampening is needed.
- Selectable internal/external CJC.
- Excellent conversion accuracy in all available ranges, better than 0.05% of span.
- Meeting the NAMUR NE21 recommendations, the 3111 provides top measurement performance in harsh EMC environments.
- The device meets the NAMUR NE43 standard defining out of range and sensor error output values.
- A visible green LED indicates operational status of the unit and the input sensor.
- All terminals are protected against overvoltage and polarity error.
- High galvanic isolation of 2.5 kVAC.
- Excellent signal/noise ratio of > 60 dB.
Mounting / installation / programming
- Selectable DIP-settings for easy configuration of more than 1000 factory calibrated measurement ranges.
- The narrow 6.1 mm housing allows up to 163 units to be mounted per meter of DIN rail, without any air gap between units.
- Wide ambient temperature range of -25…+70°C.
Environmental Conditions – 3111 TC converter isolated
| Operating temperature | -25°C to +70°C |
| Storage temperature | -40°C to +85°C |
| Calibration temperature | 20…28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
| Installation in | Pollution degree 2 & meas. / overvoltage cat. II |
Mechanical specifications
| Dimensions (HxWxD) | 113 x 6.1 x 115 mm |
| Weight approx. | 70 g |
| DIN rail type | DIN EN 60715/35 mm |
| Wire size | 0.13…2.5 mm2 / AWG 26…12 stranded wire |
| Screw terminal torque | 0.5 Nm |
| Vibration | IEC 60068-2-6 |
| 2…25 Hz | ±1.6 mm |
| 25…100 Hz | ±4 g |
Common specifications
Supply | |
| Supply voltage | 16.8…31.2 VDC |
| Max. required power | 0.70 W |
| Max. power dissipation | 0.70 W |
Isolation voltage | |
| Isolation voltage, test / working | 2.5 kVAC / 300 VAC (reinforced) |
| Zone 2 / Div. 2 | 250 VAC |
Response time | |
| Response time (0…90%, 100…10%) | < 30 ms / 300 ms (selectable) |
| Signal / noise ratio | Min. 60 dB |
| Programming | DIP-switches |
| Signal dynamics, input | 23 bit |
| Signal dynamics, output | 18 bit |
| Accuracy | Better than 0.05% of selected range |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
| Incorrect DIP-switch setting identification | 0 V / 0 mA output; LED 0.5 s / 1 Hz |
Input specifications
TC input | |
| Temperature range, TC J | -100…+1200°C |
| Temperature range, TC K | -180…+1372°C |
| Min. measurement range (span) – TC J & K | 50°C |
| Accuracy: the greater of | Better than 0.05% of span or 0.5°C |
| Temperature coefficient: the greater of | 0.1°C/°C or ≤ ±0.01%/°C |
| Sensor cable resistance | < 5 kΩ per wire |
| Cold junction compensation (CJC): Accuracy @ external Pt100 input | Better than ±0.15°C |
| Cold junction compensation (CJC): Accuracy @ internal CJC | Better than ±2.5°C |
| Internal CJC error detection | Yes |
| External CJC error detection | Yes – selectable via DIP-switch |
| Open Thermocouple detection | Yes – selectable via DIP-switch |
Output specifications
Common output specifications | |
| Updating time | 10 ms |
Current output | |
| Signal range | 0…23 mA |
| Programmable signal ranges | 0 / 4…20 mA |
| Sensor error indication (0…20 mA) | 0 mA or 23 mA / OFF |
| Sensor error indication (4…20 mA) | 3.5 mA or 23 mA / acc. to NAMUR NE43 or OFF |
| Load (@ current output) | ≤ 600 Ω |
| Load stability | ≤ 0.01% of span / 100 Ω |
| Current limitation @ low output load | < 60 mA peak / < 4 mA average |
Voltage output | |
| Programmable signal ranges | 0/1…5 and 0/2…10 V |
| Sensor error indication | 0 V / 10% above the max. / none |
| Open output | < 18 V |
I.S. / Ex marking
| ATEX | II 3 G Ex ec IIC T4 Gc |
| IECEx | Ex ec IIC T4 Gc |
| FM, US | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4 |
| FM, CA | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4 |
| EAC Ex | 2Ex nA IIC T4 Gc X |
Observed authority requirements
| EMC | 2014/30/EU & UK SI 2016/1091 |
| LVD | 2014/35/EU & UK SI 2016/1101 |
| ATEX | 2014/34/EU & UK SI 2016/1107 2014/34/EU |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
| EAC | TR-CU 020/2011 |
| EAC Ex | TR-CU 012/2011 |
Approvals
| ATEX | KEMA 10ATEX0147 X |
| IECEx | KEM 10.0068X |
| UKEX | DEKRA 21UKEX0055X |
| c FM us | FM17US0004X / FM17CA0003X |
| c UL us, UL 61010-1 | E314307 |
| DNV Marine | TAA00001RW |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
High-Accuracy Thermocouple Signal Conversion with the PR Electronics 3111 TC Converter
The PR Electronics 3111 TC Converter Isolated is a high-performance signal conditioning device designed to convert thermocouple (TC) signals into a standardized analog output while ensuring complete electrical isolation. Engineered for industrial applications, the 3111 provides reliable and accurate temperature measurement, making it an essential component for process control and automation.
Key Features of the PR Electronics 3111 TC converter isolated:
- Universal Thermocouple Input: Supports multiple TC types, including J, K, T, E, N, R, S, and B.
- High Accuracy & Stability: Ensures precise temperature measurement with minimal drift over time.
- Galvanic Isolation: Provides complete electrical isolation between input, output, and power supply, protecting against ground loops and interference.
- Configurable Output: Converts thermocouple signals into standard current (4-20 mA) or voltage (0-10V) outputs.
- Compact DIN Rail Mounting: Facilitates easy installation in control panels.
- Fast Response Time: Ensures real-time signal conversion for efficient process monitoring.
- Industrial-Grade Durability: Operates reliably in harsh environments with wide temperature tolerance.
Applications of the 3111 TC converter isolated
The PR Electronics 3111 TC converter isolated is ideal for industries requiring precise and stable thermocouple signal conversion, including:
- Industrial Process Control: Monitoring and regulating temperatures in manufacturing processes.
- Energy & Power Plants: Ensuring accurate temperature readings in power generation systems.
- Chemical & Pharmaceutical: Maintaining precise thermal conditions for critical processes.
- Food & Beverage Industry: Complying with temperature control regulations for food safety.
- HVAC & Building Automation: Integrating thermocouple data for heating and cooling systems.
Why Choose PR Electronics 3111?
PR Electronics is a trusted provider of high-quality signal conditioning solutions. The 3111 TC Converter Isolated ensures reliable thermocouple signal conversion with exceptional accuracy, isolation, and ease of use, making it the perfect choice for engineers and automation professionals.
Order the PR Electronics 3111 Today!
Looking for a dependable thermocouple converter with isolation? The PR Electronics 3111 TC converter isolated offers superior signal accuracy and protection. Contact us today to learn more or place an order.
