Despatch Protocol Plus Controller (Heat/Cool) - Manual (Page 44)

38
Technical Specifications
UL, cUL listed: UL file E136675
CE compliance to:
•
EMC Directive 89-366/EEC
•
European Standard EN55011/1991
•
European Standard EN50082-2/1995
Power supply: •
100 to 240 VAC +10% -15%, 50-60Hz, 30VA Maximum
•
12 to 24 VAC/VDC +/-10%, DC to 60Hz, 30VA Maximum
Temperature:
•
Storage -20 to 60°C
•
Operating 0 to 50°C
Humidity: 90% or less, non-condensing
Sensor inputs:
•
Type J thermocouple -73°C to 760°C (-100°F to 1400°F)
•
Input impedance 1M ohm or greater
•
Common mode noise rejection of 140db@60Hz
•
Common mode input voltage of +/-12.0VDC
•
Sample rate of at least 1 sample per second
•
Stability of +/- 0.5
Ε
C per 5
Ε
C change in ambient temperature
•
Repeatability of +/- 0.5
Ε
C, or +/-0.1% of sensed temperature (whichever is
greater)
•
Accuracy (@ 77 °F +/-0.2 percent of span (+/-3°F)
•
Supply Voltage Influence of +/-0.5
Ε
C per 10% change in nominal line voltage
Temperature
display: •
1 degree resolution (C or F)
•
Accuracy after calibration of +/- 1
Ε
C, or +/-0.2% of sensed temperature
(whichever is greater) @25
Ε
C
•
Four-digit seven-segment LCD, 0.43 inches high (11mm)
•
Readout Stability (+/- 1°F/10°F Change in ambient temperature)
Message display: •
Two-line, 16 alpha-numeric 5x7 dot matrix characters per line
•
0.2 inches high (5mm)
Time base: +/- 4 seconds accuracy in 24 hours
Heat control output: SSR Drive 24VDC nominal @ 70mA
Cooling control output: 4-20ma DC > 0-800 Ohm Load
Relay output: (plug-in
module) Form A dry contact, rated 3 amps @ 24-264VAC
Communications:
(plug-in module)
•
RS232 Single drop, isolated
•
RS422 Multi-drop, isolated
•
RS485 Multi-drop, isolated
Remote inputs:
(plug-in module) Dry-contact closure type with less than 250 ohm ON resistance
Front panel: NEMA 4X (with gasket)
Dimensions: 3.57H x 7.24W x 2.84D inches (91H x 184W x 72D mm)
Panel opening: 3.63H x 7.30W inches (92H x 185W mm)