LAUREL
ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Specifications
RTD
Metal
Alpha
R at
0°C
R at top
of range
Excitation
Current
Range
Conformity
Error
Platinum
0.003850
(DIN)
100Ω
390.48Ω
at 850°C
196 µA
-200°C to +850°C
-328°F to +1562°F
±0.03°C
±0.05°F
Platinum
0.003902
(ANSI)
100Ω
394.36Ω
at 850°C
196 µA
-200°C to +850°C
-328°F to +1168°F
±0.04°C
±0.07°F
Nickel 0.00672 120Ω
380.31Ω
at 260°C
196 µA
-80°C to +260°C
-112°F to +500°F
±0.05°C
±0.09°F
Copper 0.00427 9.035Ω
19.116Ω
at 260°C
5.0 mA
-97°C to +260°C
-143°F to +500°F
±0.05°C
±0.09°F
RTD Input
Calibration, Pt 100 DIN
Calibration, Pt 100 ANSI
Configuration
Excitation Current
Overall Accuracy
Span Tempco
Zero Tempco
Lead Resistance Tempco
Overvoltage Protection
Open Sensor Indication
IEC 751 (IPTS-68)
NIST Monograph 126
2, 3 or 4-wire connection
196 µA for Pt100 and Ni120, 5 mA for Cu10
±0.01% of full scale ±2 counts
±0.003% of reading/ºC
±0.03 deg/deg
2-wire connection: 10 mdeg/Ω/deg up to 10Ω per conductor
3 & 4-wire connection: 10 µdeg/Ω/deg up to 100Ω per conductor
125 Vac
0 mA or > 20mA output, selectable
Analog Output (standard)
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation
Step Response Time
4-20 mA and 0-10 Vdc (selectable)
10V ( 0-500Ω m load )
2 mA ( 5 kΩ load )
16 bits (65,536 steps)
±0.02% of output span
250V rms working, 2.3 kV rms per 1 minute test
50 ms
Serial Communications (standard)
Type
Data Rates
Output Isolation
Serial Protocols
Modbus Compliance
Digital Addresses
10/100Base-T Ethernet per IEEE 802.3
300, 600, 1200, 2400, 4800, 9600, 19200 baud
250V rms working, 2.3 kV rms per 1 min test
Modbus TCP, Modbus RTU, Modbus ASCII, Laurel ASCII
Modbus over Serial Line Specification V1.0 (2002)
247 for Modbus, 31 for Laurel ASCII
Dual Relay Output (standard)
Relay Type
Load Rating
Two solid state relays, SPST, normally open, Form A
120 mA at 140 Vac or 180 Vdc
Power Input
Standard Power
Low Power Option
Power Frequency
Power Isolation
Power Consumption
85-264 Vac or 90-300 Vdc (DC operation not UL approved)
10-48 Vdc or 12-32 Vac
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test
2W typical, 3W with max excitation output
Mechanical
Dimensions
Mounting
Electrical Connections
129 x 104 x 22.5 mm case
35 mm rail per DIN EN 50022
Plug-in screw-clamp connectors
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Cooling Required
0°C to 55°C
-40°C to 85°C
95% at 40°C, non-condensing
Mount transmitters with ventilation holes at top and bottom.
Leave 6 mm (1/4") between transmitters, or force air with a fan.
(4 pages)
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