Watlow Series SD31 PID with Optional Countdown Timer Instrukcja Użytkownika Pobierz pdf (Strona 65)

Watlow Series SD31 ■ 63 ■ Appendix

Specifications

Controller

• 1/32 DIN, microprocessor-based, user-selectable control modes

• Heat and cool autotune for control outputs

• 1 Universal input, 2 outputs

• Control outputs user-selectable as on-off, P, PI, PID

• Display update: 10 Hz, adjustable digital filter

• Output update: burst, 0.1 to 999.9 seconds

• Communication output isolated

• Displayed in °C, °F or process units

Operator Interface

• Single 4-digit LED displays

• SET, Infinity (Home), Up Arrow, Down Arrow, tactile keys

Standard Conditions For Specifications

• Ambient temperature 25°C (77°F) ±3°C, rated line voltage, 50

to 60Hz, 0 to 90% RH non-condensing, 15-minute warm-up

Universal Input

• Sampling rate: 6.5 Hz.

Thermocouple

• Type J, K, T, E, N, C (W5), D (W3), PTII (F), R, S, B thermocou-

ple types. Whole or tenth of a degree resolution.

• >20 MΩ input impedance

• Maximum 20 Ω source resistance

RTD

• 2- or 3-wire platinum, 100 Ω

• DIN curve (.00385 curve)

• Whole or tenth degree indication

• 390 µA nominal RTD excitation currrent

Process

• Range selectable: 0 to 10VÎ (dc), 0 to 5VÎ (dc), 1 to 5VÎ (dc), 0

to 20 mA, 4 to 20 mA. (Can reverse low and high values.)

• Voltage input impedance 20 kΩ

• Current input impedance 100 Ω

• Minimum current source resistance 1 MΩ

• Input resolution 50,000 bits (approximately) at full scale

Input Accuracy Span Ranges

Thermocouple Input

• Calibration accuracy: ±0.1% of input accuracy span ±1°C at

standard conditions

• Temperature stability: ±0.2 degree per degree change in

ambient for J, K, T, E, N, F

±0.3% for C and D

±0.4% for B, R (excluding 0 to 100°C) and S (excluding 0 to

100°C)

±0.5% for R and S (entire input accuracy range)

RTD Input

• Calibration accuracy ±0.1% of input accuracy span ±1°C at

standard conditions

• Temperature stability: ±0.05 degree per degree change in

ambient

Process Input

• Voltage input ranges

Accuracy ±10mV ±1 LSD at standard conditions

Temperature stability ±100 ppm/°C maximum

• Milliamp input ranges

Accuracy ±20µA ±1 LSD at standard conditions

Temperature stability ±100 ppm/°C maximum

Allowable Operating Ranges

Output Types

• Output update rate: 6.5 Hz.

Switched DC

• Supply voltage minimum: 6VÎ (dc) @ 30 mA

• Supply voltage maximum: 12VÎ (dc) into an infinite load

Solid-state Relay

• Optically isolated

• Zero cross switched

• Without contact suppression

• Minimum load current: 10 mA rms

• Maximum current: 0.5A rms at 24 to 240VÅ (ac), resistive

• 20 VA pilot duty, 120/240VÅ (ac), inductive

• Must use RC suppression for inductive loads

• Maximum offstate leakage current: 100 µA rms

Type J: 32 to 1,500°F or 0 to 816°C

Type K: -328 to 2,500°F or -200 to 1,371°C

Type T: -328 to 750°F or -200 to 399°C

Type E: -328 to 1,470°F or -200 to 799°C

Type N: 32 to 2,372°F or 0 to 1,300°C

Type C (W5): 32 to 4,200°F or 0 to 2,316°C

Type D (W3): 32 to 4,200°F or 0 to 2,316°C

Type PTII (F): 32 to 2,543°F or 0 to 1,395°C

Type R: 32 to 3,200°F or 0 to 1,760°C

Type S: 32 to 3,200°F or 0 to 1,760°C

Type B: 32 to 3,300°F or 0 to 1,816°C

RTD (DIN) -328 to 1,472°F or -200 to 800°C

Process -1,999 to 9,999 units

Appendix

Type J: 32 to 1,382°F or 0 to 750°C

Type K: -328 to 2,282°F or -200 to 1,250°C

Type T: -328 to 662°F or -200 to 350°C

Type E: -328 to 1,470°F or -200 to 799°C

Type N: 32 to 2,282°F or 0 to 1,250°C

Type C (W5): 32 to 4,200°F or 0 to 2,316°C

Type D (W3): 32 to 4,200°F or 0 to 2,316°C

Type PTII (F): 32 to 2,540°F or 0 to 1,393°C

Type R: 32 to 2,642°F or 0 to 1,450°C

Type S: 32 to 2,642°F or 0 to 1,450°C

Type B: 1,598 to 3,092°F or 870 to 1,700°C

RTD: -328 to 1,472°F or -200 to 800°C

Process: -1,999 to 9,999 units

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 71 72

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Watlow Series SD31 PID with Optional Countdown Timer Instrukcja Użytkownika Strona 65

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