Super Systems 3L Series - Manual (Page 51)

Series 3L Indicators
51
13. TECHNICAL SPECIFICATION
General
Temperature limits Operation: 0 to 55°C (32 to 131°F),
Storage: -10 to 70°C (14 to 158°F)
Humidity limits Operation: RH: 5 to 90% non-condensing
Storage: RH: 5 to 90% non-condensing
Panel sealing IP 65, Nema 4X
Shock BS EN61010
Vibration 2g peak, 10 to 150Hz
Altitude <2000 metres
Atmospheres Not suitable for use above 2000m or in
explosive or corrosive atmospheres.
Electromagnetic
compatibility
(EMC) BS EN61326
Electrical safety BS EN61010 Installation cat. II; Pollution
degree 2
Installation
category II The rated impulse voltage for equipment
on nominal 230V supply is 2500V
Pollution degree 2 Normally only non conductive pollution
occurs. Occasionally, however, a
temporary conductivity caused by
condensation shall be expected.
Physical Series 3L
Panel mounting 1/4 DIN
Weight grams 420
Dimensions mm 96W x 96H x
90D
Panel cut-out
dimensions mm 92W x 92H
Operator interface
Type LCD TN with backlight
Main PV display Series 3L
4 digits
green
Lower display 5 character
starburst,
green
Status beacon Units, outputs, alarms, active setpoint
Power requirements
Series 3L 100 to 240Vac, -15%, +10%
48 to 62Hz, max 8W
24Vac, -15%, +10%
24Vdc, -15%, +20%, +5% ripple voltage,
max 8W
Approvals
CE, cUL listed (file ES7766), Gost, FM,
EN14597TW approval number TW1222.
Transmitter PSU
Isolation 264Vac double insulated
Output Voltage 24Vdc, 20mA
Communications: serial communications option
Protocol Modbus RTU slave
Modbus RTU Master broadcast (1
parameter)
Isolation 264Vac double insulated
Transmission
standard EIA485 2-wire
Transmission
standard EIA485 2-wire
Process Variable Input
Calibration accuracy <+0.25% of reading +1LSD (1)
Sample rate 9Hz (110mS)
Isolation 264Vac double insulated from the PSU
and communications
Resolution (µV) < 0.5µV with 1.6s filter (mV range)
< 0.25µV with 1.6s filter (Volts range)
Resolution (effective
bits) >17 bits
Linearisation
accuracy <0.1% of reading
Drift with
temperature <50ppm (typical) <100ppm (worst case)
Common mode
rejection 48 - 62 Hz, >-120db
Series mode
rejection 48 - 62 Hz, >-93db
Input impedance 100M
Ω (200KΩ on volts range C)
Cold junction
compensation >30 to 1 rejection of ambient
temperature
External cold
junction Reference of 0 O C
Cold junction
accuracy <+1 o C at 25 o C ambient
Linear (process)
input range -10 to 80mV, 0 to 10V with external
potential divider module 100K
Ω/806Ω
Thermocouple Types K, J, N, R, S, B, L, T, C, custom
download (2)
RTD Type 3-wire, Pt100 DIN43760
Bulb current 0.2mA
Lead compensation No error for 22 ohms in all 3 leads
Input filter Off to 100 seconds
Zero offset User adjustable over the full display
range
User calibration 2-point gain & offset
Notes
(1) Calibration accuracy quoted over full ambient operating
range and for all input linearisation types.
(2) Contact SSI for details of availability of custom downloads for
alternative sensors.
Sample time: 9hz (110ms)
Isolation: 264Vac double isolation from the PSU
and communications
Excitation: 10Vdc +7%
Sensitivity: 1.4 to 4mV/V
Input span: -27% to +127% of full scale (approx. –