Description
2002ALM
Dimensions and connections
1 2 3
11
10
12
4 5 6
7 8 9
Connection details
10. Power input -ve
11. Power input +ve
7. Process input -ve
8. Process input +ve T/C +ve
T/C -ve
RTD -ve
RTD +ve
9. Signal O/p (0-1V)
12. Setpoint -ve
T/C shield
RTD 3rd wire
1. Relay 1 common
2. Relay 1 N/C
3. Relay 1 N/O
4. Relay 2 common
5. Relay 2 N/C
6. Relay 2 N/O
L
L
L
L
L
L
L
104.5mm
98mm
7
2
Specifications
Parameter
Supply voltage
Supply current
Input impedance (volt)
Input impedance (mA)
Volt drop (mA input)
Trip point accuracy
Temperature coefficient
Trip point drift
Time constant (10-90%)
Operating ambient
Relative humidity
Isolation voltage
Surge voltage
Notes
Min
Typ
24Vdc
Max
Comments
Options:12, 24Vdc or 24Vac
24V supply, both relays energised
Dependent on range (Typ=10V)
Dependent on range (Typ=20mA)
At 20mA input
45mA
10M
5k
0.35
±0.25%
±100ppm/C
-100ppm/C
100k
0.02
1M
15
0.3
10ms
0C
0%
1kV
55C
90%
2.5kV for 50μS
Transient of 10kV/μS
Setpoints are adjusted by 20 turn potentiometers on the front panel.
Setpoints can be checked by measuring the 0-1V (0-100% voltage on the front panel terminals.
H/H, H/L, L/H, LL, fail-safe, non-fail-safe and LED options are user selectable using internal links.
Hysteresis is set at 1.0%but other values are possible, please specify if required.
The process input level is available as 0-1V (0-100% on terminal 9.
Figures based on HL version, 24Vdc supply, 20C ambient.
Inputs
The input types and ranges included below are our standard ones
only. Contact sales for others.
2002ALMHL and DC current and voltage
0-20mA, 4-20mA, 0-10mA into 15
/30
0-1V, 0-10V, 1-5V into 100k
/1M
Min and Max full scale ranges:
DC current
0 to 50μA
DC voltage
0 to 100mV
Note: For input voltages greater than 30Vac or 60Vdc a divider unit
must be specified.
0 to 10A
0 to 300V
2002ALMTC for Thermocouples
Types E, J, K, N, R, S and T non-linearised
Ranges 0-250, 0-500, 0-1200C (Others available)
Auto cold junction compensation. Open cct t/c can drive either
upscale or downscale.
2002ALMR TD for Resistance Thermometers
2 or 3 wire Pt100 or other, linearised output
Ranges 0-250, 0-500, -100-100C (others available)
Outputs
Mains rated relays are 3A resistive at 240Vac.
Note: If one relay is switching >115Vac the isolation between the two
relay outputs is not safety isolation.
The default setting on the relay operation is set to Hi/Lo. The LED is
set on when energised.
Please specify the correct operation when ordering, if different from
above.
AND ORDERING
相關(guān)PDF資料 |
PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
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2002ALMHL-AXXX-6 |
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2002B-E |
制造商:Newport Electronics Inc 功能描述:PROCESS METER 制造商:Newport Electronics Inc 功能描述:PROCESS METER; No. of Digits / Alpha:4-1/2; Meter Function:DC Milliamps / DC Volts; Meter Range:4mA to 20mA / 0V to 10V / 1V to 5V; Digit Height:14.2mm; Panel Cutout Height:44.96mm; Panel Cutout Width:91.95mm; Power Consumption:4W ;RoHS Compliant: NA |
2002B-E-2 |
制造商:Newport Electronics Inc 功能描述:PROCESS METER, No. of Digits / Alpha:4-1/2, Meter Function:DC Milliamps / DC Vo |