7
FO 935
TECHNICAL SPECIFICATIONS
FO 935 BASIC
FO 935 D
TESTS AND PERFORMANCE
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Construction in compliance with the EC regulations
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Protection from electrical interferences EN 61000-4-4
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Dielectric strength 1500 VAC for 1 min. between output relay and FO
IN input, relay and power supply, and FO IN input and power supply
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Reading range: -35°C to +195°C
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Interface precision1% vfs, ±1 digit
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Ambient operating temperature from
–20°C to +60°C
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Permitted humidity 90% without condensate
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Polycarbonate frontal film IP65
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Container NORYL 94 _V0
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Absorption 7.5VA
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Self-diagnostic circuit
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Electronic part protective treatment
Optional
Optional
DISPLAY AND DATA MANAGEMENT
2 x 13 mm displays with 3 digits to display temperatures, messages
and channels
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3 LEDs to display the state of the alarms of the selected channel
(ALARM-TRIP-FAULT)
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4 LEDS selection of display mode
(SCAN-AUTO-MAN-T.MAX)
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2 LEDs to display the state of FAN1 and FAN2
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Temperature control from 1°C to 190°C (alarms)
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2 alarm thresholds for channels 1-2-3
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2 alarm channels for channel 4
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2 ON-OFF thresholds FAN 1 and FAN 2 ventilation
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FO sensor diagnostics (FCC-FOC-FLT)
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Data memory diagnostics (Ech)
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Communication diagnostics FO 935 to CFO 521 (TEC)
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Access to programming through front keyboard
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Automatic exit from programming, display and relay test after 1
minute of inactivity
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Incorrect programming warning
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Selection between channels automatic scanning, hottest channel or
manual scanning (SCAN-AUTO-MAN)
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Storage of maximum temperatures reached by channels and alarm
status (TMAX)
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Front key to reset the alarms
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