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| TECHNICAL SPECIFICATION (2408(f), 2404(f)) |
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| Process value inputs | |||
| Low level range | -100 to + 100mV | ||
| High level range | 0-20mA or 0-10Vdc | ||
| Sample rate | 9Hz | ||
| Resolution | <2µV for low level inputs | ||
| <0.2mV for high level inputs | |||
| Linearity | Better than 0.2°C ±1LSD | ||
| Calibration accuracy | ±1°C or ±0.2% of reading, whichever is greater | ||
| User calibration | Low and high offsets can be applied | ||
| Input filtering | OFF to 999.9 seconds | ||
| Thermocouple types | Refer to the ordering code sensor input table | ||
| Cold Junction compensation | In automatic mode, >30 to 1 rejection of ambient temperature change OR external 0°C, 45°C, 50°C references | ||
| 3-wire Pt100 input | Bulb current: 0.3mA. Up to 22ohm in each lead without error | ||
| Potentiometer input | 330 to 15Kohm | ||
| Analogue input functions | Process value, remote setpoint, setpoint trim, external power limit, feedforward input, Valve position feedback | ||
| Second process value input functions | Select min, select max, derived value, transfer to 2nd PV | ||
Digital inputs (Isolated except for fixed digital inputs 1 & 2) |
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| Contact closure | Open circuit voltage: | 24 to 30Vdc | |
| inputs | Short circuit current: | 24 to 29mA | |
| Off state: | <100ohms input resistance | ||
| On state: | >28Kohm input resistance | ||
| Logic inputs | Off state: | -3 to 5Vdc @ <-0.4mA | |
| (Current sinking) | On state: | 10.8 to 30Vdc @ 2.5mA | |
Digital outputs |
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| Relay rating | 2A, 264Vac resistive | ||
| Single logic output* | 18Vdc, 20mA (non-isolated) | ||
| Triple logic output | 12Vac, 8mA per channel (isolated) | ||
| Triac | 1A, 264Vac resistive (isolated) | ||
| High current output | Rating: | 10amp, 264Vac resistive (2404 f only) (isolated) | |
Analogue outputs |
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| Range | 0-20mA, 0-10VDC (isolated) | ||
| Resolution | 1 part in 10,000 for analogue retrans. | ||
| 1 part in 7,000 for DC control outputs | |||
| Transmitter supply | 20mA, 24Vdc | ||
Control functions |
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| Control modes | On/Off, PID or motorised valve control, with or without a feedback potentiometer | ||
| Cooling algorithms | Linear, water, fan, oil | ||
| Tuning | One-shot and continuous adaptive tuning | ||
| Number of PID sets | Two | ||
| Auto manual control | Bumpless transfer or forced manual output available | ||
| Setpoint rate limit | Display units per sec, per min or per hour | ||
Alarms |
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| Number of alarms | Four | ||
| Alarm types | High, low, deviation high, deviation low, deviation band, rate of change. | ||
| Alarm modes | Latching or non-latching. Blocking. | ||
| Energised or de-energised in alarm | |||
Setpoint programming |
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| Number of programs | Up to four | ||
| Segments per prog | 16 | ||
| Event outputs | Up to eight | ||
Communications (All modules are isolated) |
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| Profibus | High speed, RS485. Up to 1.5Mb/s | ||
| Modbus ® | RS232, 2-wire RS485 and 4-wire | ||
| RS485 modules | |||
PDSIO |
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| Slave input (isolated) | Remote setpoint with holdback to master | ||
| Master output* | Retransmission of setpoint, process value or output | ||
General |
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| Display range | Four digits with up to two decimal places | ||
| Supply | 100 to 240Vac -15%, +10% 48 to 62Hz, OR 24Vdc or ac -15%, +20%. 10W max. | ||
| Operating ambient | 0 to 55°C and 5 to 95% RH non-condensing | ||
| Storage temperature | -10 to +70°C | ||
| Panel sealing | IP54 | ||
| Dimensions (mm) | 2408f: | 48W x 96H x 150D | |
| 2404f: | 96W x 96H x 150D | ||
| EMC standards | EN50081-2 & EN50082-2 generic standards for industrial environments | ||
| Safety standards | Meets EN61010, installation category II, pollution degree 2 | ||
| Atmospheres | Not suitable for use above 2000m or in explosive or corrosive atmospheres. | ||
| * These inputs or outputs are not isolated from the main process value input. | |||
