Watlow Series SD31 PID with Optional Countdown Timer Manual de usuario Pagina 65

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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 M input impedance
Maximum 20 source resistance
RTD
2- or 3-wire platinum, 100
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 k
Current input impedance 100
Minimum current source resistance 1 M
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
A
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
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