Product Description
Product Overview
| Parameter | Details |
|---|---|
| Product Name | IS Thermocouple/mV CHARM |
| Model Number | SE4502 |
| Category | Intrinsically Safe (IS) CHARMs |
| Function | Analog Input for Thermocouple and mV signals |
| System Compatibility | DeltaV v11.3.1 or later (with SD Plus, SX, SQ, MQ, MX, PK Controllers) |
| Terminal Block | IS Terminal Block (Light Blue, 4 terminals) |
Hardware & Electrical Specifications
| Specification | Value |
|---|---|
| Sensor Types | Thermocouple (Types B, E, J, K, N, R, S, T); mV (±100 mV) |
| Full Signal Range | -100 to +100 mV |
| Accuracy | Varies by sensor type (see table below); ±0.25°C for CJC |
| Resolution | 16-bit A/D converter |
| Calibration | None required |
| Cold Junction Compensation (CJC) | Local CJC provided by IS Terminal Block; accuracy ±0.25°C |
| Isolation | Galvanically isolated per EN 60079-11; voltage peak value 375 V DC |
| CHARM Power Requirement | 22 mA max @ 24 V DC ± 10% |
| CHARM Heat Dissipation | 0.33 W |
Accuracy for Sensor Types
| Sensor Type | Accuracy @ 25°C | Accuracy Over Temperature Range (-40 to 70°C) |
|---|---|---|
| Type B | ±2.75°C | ±6.75°C |
| Type E | ±0.5°C | ±1.5°C |
| Type J | ±0.65°C | ±2.0°C |
| Type K | ±0.75°C | ±2.25°C |
| Type N | ±0.85°C | ±2.5°C |
| Type R | ±2.5°C | ±6.25°C |
| Type S | ±2.5°C | ±6.25°C |
| Type T | ±0.65°C | ±2.0°C |
| mV | ±0.025 mV | ±0.075 mV |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | -40 to 70°C (or -40 to 60°C for fanless enclosures) |
| Storage Temperature | -40 to 85°C |
| Relative Humidity | 5 to 95%, non-condensing |
| Protection Rating | IP20 |
| Airborne Contaminants | ISA-S71.04-1985 Class G3, Conformal coating |
| Shock | 10 g ½-sine wave for 11 ms |
| Vibration | 1 mm peak-to-peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz |
Functional Features
| Feature |
|---|
| Supports multiple thermocouple types (B, E, J, K, N, R, S, T) and mV signals |
| Local Cold Junction Compensation (CJC) integrated into IS Terminal Block |
| LED Indicators: |
| - Power/Integrity (Bi-color): Green Solid (Normal), Green Blink (Awaiting configuration), Red Blink (Wiring fault), Red Solid (Internal fault) |
| Galvanic isolation per channel for intrinsically safe applications |
| Acts as a circuit protection device and field wiring disconnect |
| Surge protection to meet EMC industry standards |
| Can be partially ejected to a locked position for field maintenance |
Certifications
| Standard | Details |
|---|---|
| CE | EMC - EN 61326-1 |
| FM (USA) | Class I, Div 2, Groups A, B, C, D, T4; Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc; Field Circuits: Class I, II, III, Div 1, Group A-G, T4 |
| CSA (Canada) | Class I, Div 2, Groups A, B, C, D, T4; Class I, Zone 2, Ex ec [ia Ga] IIC T4 Gc; Field Circuits: Class I, II, III, Div 1, Group A-G, T4 |
| ATEX | II 3(1) G Ex ec [ia Ga] IIC T4 Gc; II 3 G (1D) Ex ec [ia IIIC Da] IIC Gc |
| IEC-Ex | II 3(1) G Ex ec [ia Ga] IIC T4 Gc; II 3 G (1D) Ex ec [ia IIIC Da] IIC Gc |
| Marine | DNV Marine Certificate; IACS E10 |
| Achilles | CIOC: Level 1 (v13.3.1); CIOC2: Level 2 (v14.3) |
Physical & Installation
| Parameter | Details |
|---|---|
| Installation Type | Mounted on IS CHARM Baseplate (DIN rail) |
| Wiring | 4 screw cage terminals, 0.32–2.5 mm² (22–14 AWG), 7–9 mm strip length (IS Terminal Block) |
| Maximum Current | 45 mA at 28 V DC max |
| Terminal Block Color | Light Blue (Intrinsically Safe) |
| Keying | Keying posts automatically set on first CHARM insertion; can be manually reset to change CHARM type |
| Removal/Insertion | Can be partially ejected to a locked position for field maintenance; full removal requires non-hazardous area or de-energized system |
| Maintenance | No user-serviceable parts; calibration not required |
Hazardous Area Installation
| Parameter | Details |
|---|---|
| Installation Instructions | Refer to ATEX/IECEx installation instructions (12P6523); Control Drawings (12P6123) |
| Hazardous Area Standards | Suitable for Class I, Div 2, Groups A, B, C, D, T4; Class I, Zone 2, AEx/Ex ec [ia Ga] IIC T4 Gc; ATEX II 3(1) G Ex ec [ia Ga] IIC T4 Gc |
Ordering Information
| Description | Model Number |
|---|---|
| IS Thermocouple/mV CHARM | SE4502 |
| IS CHARMs Baseplate Assembly with Standard IS CHARM Terminal Blocks | SE4608T01 |
| IS CHARM Protection Cover (Package of 12) | SE6104 |