3
T-154 0-240°C protection relays
TECSYSTEM S.r.l ®
AUXILIARY POWER SUPPLY
• Rated voltage 24-240 Vac-dc
• Maximum ratings 20-270 Vac-dc
INPUTS
• 3 or 4 inputs RTD Pt100 sensors-3
wires
• removable rear terminals
• input channels protected against elec-
tromagnetic noises and spikes
• sensors length cables compensation up
OUTPUTS
• 2 alarm relays (ALARM-TRIP)
• 1 alarm relay for fan control (FAN)
• 1 alarm relay for sensor fault or working
anomaly (FAULT)
• output contacts capacity: 5A-250 Vac
res.
TEST AND PERFORMANCES
• Assembling in accordance with CE
rules
• Protection against electrical and mag-
netic noises: CEI-EN50081-2/50082-2
• Dielectric strength: 2500 Vac for 1 min.
from relays to sensors, relays to power
supply, power supply to sensors
• Accuracy: ± 1% full scale, ±1 digit
• Ambient operating temperature: -20°C
to 60°C
• Humidity: 90% non-condensing
• ABS self-extinguishing housing-NORYL
94VO
• Opt. Frontal plastic protection
• Opt. Protection treatment of electronic
part
• Frontal polycarbonate-IP65
• Burden: 3VA
• Data storage: 10 years minimum
• Digital linearity of sensors signal
• Self-diagnostic circuit
DISPLAYING AND DATA MANAGEMENT
• 1 display 13 mm high with 3 digits for
displaying temperatures
• LED for displaying reference channel
• LED indicating alarm or trip channel
• LED indicating fault
• Temperature monitoring from 0-240°C
• 2 alarm thresholds
• 2 alarm ON-OFF thresholds for fan con-
trol
• Sensors diagnostic (Fcc-Foc-Fcd)
• Entering the programming by frontal
push button
• Automatic output from programming cy-
cle after 1 minute of no operation
• wrong programming automatic display
• Programmed data call out
• Possibility of setting automatic channel
scanning, hottest channel, manual scan-
ning
• Maximum temperatures and alarms stor-
age
DIMENSIONS
• 96x96 mm-DIN43700 – depth 140mm
(with rear terminals)
• panel cutout 92x92 mm
1) TECHNICAL SPECIFICATIONS
To Next Page
Loading...
Need help?
General
