2704 and 2704f High Performance Multi-Loop
Controller and Programmer with Graphical User Interface |
TECHNICAL SPECIFICATION (2704(f))
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| Control options |
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| No. of loops |
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1, 2 or 3 loops |
| Options |
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Cascade, Ratio or Override |
| Modes |
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PID, ON/OFF or Valve Position |
| Applications |
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Temperature, Process, Carbon Potential, Humidity,
Boiler and Vacuum |
| STANDARD I/O |
Precision PV Input |
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| Accuracy |
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±0.1% |
| Ranges |
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mV, mA, volts or RTD (PT100) |
| Thermocouple types |
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J,K,L,N,R,S,B,PII,C, plus others |
| Cold junction |
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Ext 0°C, 45°C or 50°C |
| Analogue input |
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| Allocation |
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1 fitted |
| Accuracy |
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±0.1% |
| Ranges |
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-10V to 10V or 0 to 20mA |
| Digital I/O |
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| Types |
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1 digital input |
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7 Bi-directional input/outputs |
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1 Changeover relay |
| MODULES |
Digital outputs |
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| Types |
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Single relay, dual relay, Single Triac, Dual Triac, Single Logic and Triple Logic module |
| Allocation |
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Slot 1, 3, 4, 5 or 6 (Max 3 Triacs per unit) |
| Digital inputs |
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| Types |
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Triple contact input, Triple logic input |
| Allocation |
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Slot 1, 3, 4, 5 or 6 |
| Analogue outputs |
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| Types |
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DC Control or DC Retransmission (5 Max) |
| Allocation |
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Slot 1, 3, 4, 5 or 6 |
| Range |
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0 to 20mA or 0 to 10Vdc |
| Dual Analogue outputs |
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| Allocation |
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Slot 1, 4 or 5 |
| Range |
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4-20mA or 24Vdc transmitter PSU |
| High Resolution Analogue output |
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| Allocation |
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Slot 1, 4 or 5 |
| Range |
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4-20mA and 24Vdc transmitter PSU |
| Transmitter PSU |
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| Allocation |
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Slot 1, 3, 4, 5 or 6 |
| Transmitter |
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24Vdc @ 20mA |
| Transducer supply |
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| Bridge voltage |
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Software selectable, 5 or 10Vdc |
| Bridge resistance |
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300W to 15Kohms |
| Potentiometer input |
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330W to 150Kohms |
| Potentiometer resistance |
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| Precision PV input (Module) |
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| Allocation |
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Slot 3 or 6 |
| Accuracy |
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±0.1% |
| Ranges |
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mV, mA, volts or RTD (PT100) |
| Thermocouple types |
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J, K, T, L, N, R, S, B, PII, C, plus others |
| Cold junction |
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Ext 0°C, 45°C or 50°C |
| Dual (Probe) input |
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| Allocation |
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Slot 3 or 6 |
| Accuracy |
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±0.1% |
| Ranges |
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mV, mA, volts or RTD (PT100) |
| Thermocouple types |
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J, K, T, L, N, R, S, B, PII, C, plus others |
| Cold junction |
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Ext 0°C, 45°C or 50°C |
| Analogue input (module) |
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| Allocation |
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Slot 1, 3, 4 or 6 |
| Accuracy |
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±0.2% |
| Ranges |
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mV, mA, volts or RTD (PT100) |
| Thermocouple types |
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J, K, T, L, N, R, S, B, PII, C, plus others |
| Cold junction |
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Ext 0°C, 45°C, or 50°C |
| SETPOINT PROGRAMMER |
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| No profiles |
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1, 2 or 3 profiles |
| No. of programs |
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50 programs max. |
| No. of segments |
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650 time to target segments (Max) or 400 ramp rate segments (max.) |
| Event outputs |
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Up to 16 |
| I/O Expander |
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| 10 I/O Version |
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4 Changeover and 6 normally open relay contacts |
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10 Logic inputs |
| 20 I/O Version |
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4 Changeover and 16 normally open contacts |
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20 Logic inputs |
| ADVANCED FUNCTIONS |
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Application blocks |
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32 digital operations |
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32 analogue operations |
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3 multiple input blocks |
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50 user values |
| Timers |
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4 ON pulse, OFF delay, one shot and min-ON |
| Totalisers |
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4, trigger level and reset input |
| Pattern generators |
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16 patterns each with 16 bits |
| Real time clock |
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Day of week and time |
| Customisable screens |
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8 user screens |
| User switches |
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8, toggle and momentary function |
| Slave communications |
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| Allocation |
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Slot H or J (Ethernet/DeviceNet/Profibus slot H only) |
| Types |
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Ethernet
(modbus/TCP), Profibus DP |
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Modbus RTU RS485 (2 wire or 4 wire) or RS232 |
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DeviceNet |
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EI-Bisynch (subset of parameters) |
| Master communications |
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| Allocation |
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Slot J |
| Types |
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Modbus RTU RS485 (2 wire), RS485 (4 wire) or RS232 |
| Parameters |
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100 read/write |
| GENERAL SPECIFICATION |
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| Display range |
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5 digits up to 4 decimal places |
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85 to 264Vac, 20 watts (max.) or 24Vdc or ac, 10 watts (max) |
| Operating ambient |
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0 to 50°C and 5 to 95%RH non condensing |
| Storage temperature |
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-10 to 70°C |
| Panel seal |
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IP65 |
| EMC standards |
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EN50081-1 and EN50082-2 generic standards - suitable for domestic, commercial and light industrial as well as heavy industrial environments |
| Safety standards |
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UL/cUL File #E57766
Meets EN61010 installation category II, pollution degree 2 |
| Atmospheres |
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Not suitable for use above 2000m or in explosive or corrosive atmospheres |
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