13 Appendix B Technical Specification
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General |
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Environmental performance |
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Temperature limits |
Operation: 0 to 55°C (32 to 131°F), |
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Storage: -20 to 70°C (-4 to 158°F) |
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Humidity limits |
Operation: RH: 0 to 90% non-condensing |
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Storage: RH: 5 to 90% non-condensing |
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Panel sealing |
IP66, NEMA Type 12 |
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Shock |
10 x 15g pulses |
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Vibration |
2g peak, 10 to 150Hz |
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Altitude |
<2000 metres |
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Atmospheres |
Not suitable for use in explosive or corrosive atmospheres. |
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Electromagnetic compatibility (EMC) |
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Emissions and immunity |
EN61326-1 Suitable for domestic, commercial and light industrial as well as heavy industrial environments. (Class B emissions, Industrial Environment immunity. Low voltage versions are suitable for industrial environments only. |
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Electrical safety |
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(BS EN61010) |
Installation category II; Pollution degree 2 |
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Installation category II |
The rated impulse voltage for equipment on nominal 230V supply is 2500V |
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Pollution degree 2 |
Normally only non conductive pollution occurs. Occasionally, however, a temporary conductivity caused by condensation shall be expected. |
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Physical |
816 |
808 |
804 |
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Panel mounting |
1/16 DIN |
1/8 DIN |
1/4 DIN |
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Weight grams |
250 |
350 |
420 |
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Panel cut-out dimensions mm |
45 x 45 |
45 x 92 |
92 x 92 |
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Panel depth |
All 90 mm |
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Operator interface |
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Type |
LED |
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Main PV display |
4 digits green |
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Secondary display |
4 digits amber |
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Third display |
4 digits amber |
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Status beacons |
Units, outputs, alarms, active setpoint |
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Power requirements |
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816 |
100 to 230Vac, +/-15% 48 to 62Hz, max 6W
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808 and 804 |
100 to 230Vac, +/-15% 48 to 62Hz, max 9W
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Approvals |
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CE, cUL listed (file E57766) Suitable for use in Nadcap and AMS2750D applications under Systems Accuracy Test calibration conditions. Other standards pending. |
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Transmitter PSU (not 816) |
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Isolation |
264Vac double insulated |
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Output Voltage |
24Vdc, >28mA, <33mA |
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Communications: serial communications option |
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Protocol |
Modbus RTU client Modbus RTU Host broadcast (1 parameter) |
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Isolation |
264Vac double insulated |
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Transmission standard |
EIA485 2-wire |
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Process Variable Input |
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Calibration accuracy |
<±0.25% of reading ±1LSD (1) |
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Sample rate |
4Hz (250mS) |
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Isolation |
264Vac double insulated from the PSU and communications |
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Resolution (µV) |
< 0.5µV with a 1.6 second filter |
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Resolution (effective bits) |
>17 bits |
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Linearisation accuracy |
<0.1% of reading |
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Drift with temperature |
<50ppm (typical) <100ppm (worst case) |
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Common mode rejection |
48 - 62 Hz, > 120dB |
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Series mode rejection |
48 - 62 Hz,> 93dB |
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Input impedance |
100MΩ |
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Cold junction compensation |
>30 to 1 rejection of ambient temperature |
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Cold junction accuracy |
<+1oC at 25oC ambient |
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Linear (process) input range |
-10 to 80mV, 0 to 10V with 100KΩ/806Ω external potential divider module |
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Thermocouple Types |
K, J, N, R, S, B, L, T, C |
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Resistance thermometer Type |
3-wire, Pt100 DIN43760 |
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Bulb current |
0.2mA |
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Lead compensation |
No error for 22 ohms in all 3 leads |
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Input filter |
Off to 59.9 seconds |
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Zero offset |
User adjustable over the full display range |
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User calibration |
2-point gain & offset |
Notes
(1) Calibration accuracy quoted over full ambient operating range and for all input linearisation types.
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OP4 relay |
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Type |
Form C (changeover) |
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Rating |
Min: 100mA @ 12Vdc. Max: 2A @ 264Vac resistive |
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Functions |
Control, alarms or events
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Current Transformer Input |
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Input current |
0 to 50mA rms 48/62Hz, 10Ω burden resistor fitted inside the module |
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Calibration accuracy |
<1% of reading (typical) <4% of reading (worst case) |
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Isolation |
By using external CT |
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Input impedance |
<20W |
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Scale |
10, 25, 50 or 100Amps |
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Functions |
Partial load failure, SSR fault |
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Digital input (DigIn 1 and 2, Digital Input 2 is not in 816) |
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Contact |
Contact open >600Ω Contact closed <300Ω |
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Input current |
<13mA |
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Isolation |
None from PV or system 264Vac double insulated from PSU and communications |
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Functions |
Include alarm acknowledge, SP2 select, manual, keylock, timer functions, standby select, RSP select |
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Logic Output Channels |
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Rating |
On/High 12Vdc at <44mA Off/Low <300mV at 100mA |
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Isolation |
None from PV or system 264Vac double insulated from PSU and communications |
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Functions |
Control, alarms or events |
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Relay Output Channels |
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Type |
Form A (normally open) |
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Rating |
Min: 12V, 100mA dc Max: 2A, 264Vac resistive |
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Functions |
Control, alarms or events |
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Analogue Output Channels (3) (OP3 808 and 804 only) |
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Rating |
0-20mA into <500W |
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Accuracy |
+ (<0.25% of reading + <50μA) |
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Resolution |
13.5 bits |
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Isolation |
264Vac double insulated |
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Functions |
Control, retransmission |
Note (3) Voltage output can be achieved by external adaptor.
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Software features |
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Control |
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Number of loops |
1 |
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Loop update |
250mS |
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Control types |
PID, ON/OFF, |
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Cooling types |
Linear, fan, oil, water |
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Modes |
Auto, manual, standby (Off). |
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Overshoot inhibition |
High, low |
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Alarms |
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Number |
3 |
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Type |
Absolute high and low, deviation high, low or band |
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Latching |
Auto or manual latching, non-latching, event only |
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Output assignment |
Up to three conditions can be assigned to one output |
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Other Status Outputs |
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Functions |
Including sensor break, timer status, loop break, heater diagnostics |
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Timer |
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Modes |
Dwell when SP reached. Delayed control action Soft start limits power below PV threshold |
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Current monitor |
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Alarm types |
Partial load failure, over current, SSR short circuit, SSR open circuit |
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Indication type |
Flashing beacon |
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Special features |
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Features |
Energy monitoring, Recovery point |