Mô tả
THÔNG SỐ KỸ THUẬT CỦA 40TB
TECHNICAL DATA INPUTS
Accuracy 0.2% f.s. ± 1 digit.
– Input 1
Sampling time 120 msec. with control of sensor power supply, configurable down to a minimum of 15 msec. with reduction of the resolution to 4000 points.
Configurable decimal point position for linear inputs, for strain gauge inputs or potentiometer range -1999…9999, indication of min. and. Max. over-range for linear inputs. A 32-segment custom linearisation can be entered.
- 4/6 wire strain gauge 350W, sensitivity: 5…7.5mV/V by 10V power supply 1.5…15mV/V by 5V power supply.
Positive or symmetrical polarisation and calibration that automatically calculates the sensitivity.
- Potentiometer supply 2V >100W
-Current 0…20mA, 4…20mA, Ri= 50W.
– Input 2
Sampling time 120 msec. for temperature sensors, for linear inputs, configurable down to a minimum of 15 msec. with reduction of resolution to 4000 steps.
Configurable decimal point position for linear inputs, for TC, RTD, PTC, NTC inputs only one decimal point is allowed in the maximum display range of
-199.9…999.9.
Indication of open circuit thermocouple or RTD, PTC, NTC in open or short circuit, indication of over- and under-range for linear inputs.
TC – Thermocouple
Cold junction auto-compensation. J (Fe-CuNi) 0…1000°C / 32…1832°F K (NiCr-Ni) 0…1300°C / 32…2372°F
R (Pt13Rh-Pt) 0…1750°C / 32…3182°F
S (Pt10Rh-Pt) 0…1750°C / 32…3182°F
T (Cu-CuNi) -200…400°C / -328…752°F
B (Pt30Rh-Pt6Rh) 44…1800°C / 111…3272°F E (NiCr-CuNi) -100…750°C / -148…1382°F N (NiCrSi-NiSi) 0…1300°C / 32…2372°F
(Ni-Ni18Mo) 0…1100°C / 32…2012°F
L-GOST (NiCr-CuNi) 0…600°C / 32…1112°F
U ( ) -200…400°C / -328…752°F
G ( ) 0…2300°C / 32…4172°F
D ( ) 0…2300°C / 32…4172°F
C ( ) 0…2300°C / 32…4172°F
Custom -1999…9999
RTD 3 wires
Pt100 -200…600°C / -328…1112°F
JPt100 -200…600°C / -328…1112°F
PTC
990W 25°C
-55…120°C / -67…248°F
NTC
1 KW 25°C
-10…70°C / 14…158°F
DC – Linear
With scale configurable within the limits:
-1999…9999 (4 digits) 0…60mV / 12…60mV
0…10V / 2…10V
0…5V / 1…5V
0…1V / 0.2…1V
0…20mA / 4…20mA
Input impedance for voltage signals Ri>500W for V £ 1V; Ri >20KW for
V > 1V, for current signals: Ri = 50W.
A 32-segment configurable linearisation can be used.
Digital
2 inputs from contact free of potential. The function is selectable among stored alarm reset, hold, flash, zero, selection of peak value (minimum, maximum, or
peak-to-peak).
OUTPUT
Relay with NO(NC) contacts 5A, 250V cosj=1. Three alarms configurable as output to calibrate 6-wire strain-gauge probes.
Analogue retransmission
1500V Isolation
- 2 configurable retransmission analogue
- Range configurable from
- 0…10Vdc; 0/4…20mA configurable
- Resolution 4000
SERIAL LINK
4-wire, optoisolated.
Passive current loop configurable interface (1200 bauds), RS232 and RS422/485 (1200, 2400, 4800, 9600,
19200 bauds) Protocol: GEFRAN, CENCAL or MODBUS.
POWER SUPPLY
Standard: 100…240Vac/dc ±10% On demand: 20…27Vac/dc ±10% 50/60Hz; 12VA max.
Protected by an internal fuse (not replaceable by the operator).
SENSOR POWER SUPPLY (VS)
1.2Vdc for potentiometer > 100W
5Vdc, 10Vdc max 120mA for strain-gauge Available for input 1 (Terminal 11).
TRANSMITTER POWER SUPPLY (VT)
24Vdc ±10% max. 50mA 15Vdc ±10% max. 80mA
Available for input 1 (Terminal 11) and input 2 (Terminal 3).
AMBIENT CONDITIONS
Working temperature range: 0…50°C Storage temperature range: -20…70°C Humidity: 20…85% HR non condensing
ALARMS
- 3 alarm points configurable as absolute, relative, with direct or inverse
- Alarm points with configurable limits on the whole selected
- The hysteresis of each alarm is configurable
- Alarm masking with exclusion on power up, with memory, delay and minimum alarm/intervention
- Alarms can be associated to single inputs, either as “OR” or “AND”.
WEIGHT
Full version: 600g
