Specifications – Despatch Protocol Plus Controller (Heat Only) User Manual

Page 9

Protocol Plus Owner’s Manual

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ANUAL

Version 2

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1.5. Specifications

UL, cUL listed:

UL file E136675

CE compliance
to:

· EMC Directive 2004/108/EC

· Low Voltage Directive 2006/95/EC

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 +/-12.0 VDC

· Sample rate of at least 1 sample per second

· Stability of +/- 0.5°C per 5°C change in ambient temperature

· Repeatability of +/- 0.5°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°C per 10% change in nominal line

voltage

Temperature
display:

· 1 degree resolution (C or F)

· Accuracy after calibration of +/- 1°C, or +/-0.2% of sensed temperature

(whichever is greater) @25°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

Relay output:
(plug-in module)

Form A dry contact, rated 3 amps @ 24-264VAC

Retransmit
output:

1 to 5 VDC into > 100K ohm load

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)