User`s manual

Watlow Series SD 71 Appendix
Specifications
(2396)
Controller
Microprocessor-based, user-selectable control modes
Heat and cool autotune for control outputs
•1 Universal input, 3 outputs (2 outputs on 1/32 DIN)
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
Static set point model has ramp to set point capability
Profiling (ramp and soak) model has four profiles, 10 steps per
profile. Profiles can be linked together.
Operator Interface
Dual 4-digit LED displays
Advance, Up Arrow, Down Arrow, Infinity (Home) tactile keys
Standard Conditions For Specifications
Ambient temperature 25°C (77°F) ±3°C, rated line voltage, 50 to
60 Hz, 0 to 90% RH non-condensing, 15-minute warm-up
Universal Input
Sampling rate: 6.5 Hz.
Input Accuracy Span Ranges
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 50 mVÎ (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
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 stan-
dard 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
Open Collector
Maximum voltage: 42VÎ (dc)
Maximum current: 250 mA
Class 2 power source required
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
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
Appendix
A