Despatch MIC1422 Controller Manual de usuario descargar pdf (Pagina 81)

Resolution: Eight bits in 250 mS (10 bits in 1 second typical, >10 bits in

>1 second typical).

Update Rate: Four times per second

Ranges: 0-20 mA, 4-20 mA, 0-10 V, and 0-5 V

NOTE: Changes between V and mA ranges also require jumper movement.

Load Impedance: 0 - 20 mA: 500 ohm maximum

4 - 20 mA: 500 ohm maximum

0 - 10 V: 500 ohm minimum

0 - 5V: 500 ohm minimum

Isolation: Isolated from all other inputs and outputs.

Transmitter Power Supply Rating: 24 VDC, 20 mA maximum

Control Specifications

Control Types: RaPID, PID, PID/On-OFF2, ON-OFF

Automatic Tuning

Types: Pre-Tune and Auto-Tune

Proportional Bands: 0 (OFF), 0.5% - 999.9% of input span @ 0.1% increments

Auto Reset: 1 s - 99 min 59 s/repeat and OFF

Rate: O (OFF) - 99 min 59 s

Manual Reset: Adjustable in the range 0-100% of output power (single

output) or -100% to +100% of output power(dual output)

Deadband/Overlap: -20% to +20% of proportional band 1 + proportional band 2

ON/OFF Hysteresis: 0.1% to 10.0% of input span

Auto/Manual Control: User-selectable with "bumpless" transfer into and out

of Manual control.

Cycle Times: Selectable for 0.5s to 512s in binary steps

Setpoint Range: Limited by Setpoint Upper and Setpoint Lower limits

Setpoint Maximum: Limited by Setpoint and Range Upper Limits

Setpoint Minimum: Limited by Range and Setpoint Lower Limits

Setpoint Ramp: Ramp rate selectable 1-9999 LSDs per hour and infinite.

Number displayed is decimal point aligned with selected

range.

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 90 91

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Despatch MIC1422 Controller Manual de usuario Pagina 81