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| TECHNICAL
SPECIFICATION (2408i) |
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| Main process value input and second DC input | |||
| 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 | ||
| Calibration accuracy | ±0.2% of reading, or ±1°C or ±1LSD, whichever is the greater | ||
| User calibration | Low and high offsets can be applied | ||
| Input filtering | OFF to 999.9 seconds | ||
| Cold Junction compensation | In automatic mode, >30 to 1 rejection of ambient temperature change OR external 0°C, 45°C, 50°C external references | ||
| 3-wire Pt100 input | Bulb current: 0.3mA. Up to 22ohm in each lead without error | ||
| 2nd analogue input functions | 2nd process value, remote setpoint, select min, select max, derived value | ||
| Custom curve | 15 point, user selectable | ||
Digital inputs |
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| Contact closure or open collector inputs | |||
| Note: these are powered by the controller | |||
| Digital inputs 1 & 2 | Switching voltage/current: | 24Vdc/20mA nominal | |
| (Non isolated from PV) | Off state resistance <100ohms | ||
| On state resistance >28Kohm | |||
| Triple contact closure inputs (isolated) | Specification is as per digital inputs 1 & 2 | ||
| Externally powered inputs | |||
| Triple logic inputs | Off state: | <5Vdc | |
| On state: | 10.8 to 30Vdc @ 2.5mA | ||
| Digital input functions | |||
| Power consumption 15W max. As per digital inputs 1 & 2 in the ordering code | |||
Digital outputs |
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| Relay rating | 2A, 264Vac resistive | ||
| Triple logic output | 8mA, 12Vdc per channel | ||
| Digital output functions | As per the ordering code | ||
| DC retransmission | |||
| Range | Scaleable between 0-20mA and 0-10Vdc | ||
| Resolution | 1 part in 10,000 | ||
| Retransmission values | Process value, setpoint or error from setpoint | ||
Transmitter supply |
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| Rating | 20mA, 24Vdc | ||
Strain gauge bridge supply |
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| Bridge voltage | Software selectable, 5 or 10Vdc | ||
| Bridge resistance | 300W to 10KW | ||
Alarms |
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| Number of alarms | Four | ||
| Alarm types | High, low, deviation high, deviation low, deviation band, rate of change in units/sec, rate of change in units/min. New alarm status. Sensor break alarm. | ||
| Selecatble | On input 1, input 2 and main PV. | ||
| Alarm modes | Latching or non-latching. Blocking. | ||
| Energised or de-energised in alarm | |||
| Alarm delay | OFF to 999.9 secs | ||
Communications |
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| Module types | RS232, 2-wire RS485 and 4-wire RS485 | ||
| Protocols | Modbus®, EI-Bisynch (ASCII) or Profibus-DP | ||
PDSIO |
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| Functions | Remote setpoint input from master controller | ||
General |
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| Display colour | Red or green | ||
| Number of digits | Five with up to three decimal places | ||
| Supply | 100 to 240Vac -15%, +10% OR 24Vdc or ac -15%, +20%. | ||
| Power consumption | 15W max. | ||
| Operating ambient | 0 to 55°C and 5 to 95% RH non-condensing | ||
| Storage temperature | -10 to +70°C | ||
| Panel sealing | IP65 | ||
| Dimensions (mm) | 96W x 48H x 150D | ||
| Weight | 400g max | ||
| 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. | ||
