Appendices; Specifications; General Specifications; Input Specifications - M-system M3LU2 Operating Manual

12. APPENDICEs

12.1 sPECIFICATIONs

12.1.1 GENERAL sPECIFICATIONs

Construction
Connection
Housing material
Isolation
Overrange output
Zero adjustment
Span adjustment
Burnout (other than current or voltage (V) input)
Linearization (T/C, RTD input)
Cold junction compensation (T/C input)
Status indicator LED
Configuration DIP SW configuration
PC configuration
Calibration
Configurator connection

12.1.2 INPUT sPECIFICATIONs

Input types and ranges are shown in the following table.
DC Current
mV & Voltage
Thermocouple
RTD (2-wire, 3-wire or 4-wire)
Resistance (2-wire, 3-wire or 4-wire)
Potentiometer
Small-sized front terminal structure
Euro type connector terminal
Flame-resistant resin (gray)
Input to output to power
-15 to +115% (negative current output is not available)
-15 to +15% (front)
85 to 115% (front)
Upscale, downscale or no burnout selectable; Also detects wire breakdown and
overrange input exceeding the electrical design limit for DC input.
Standard
CJC sensor (included) to be attached to the input terminals
Tri-color (green/amber/red) LED; Blinking patterns indicate operation status of the
transmitter.
Input type, sensor type, burnout action, RTD/resistance wires, cold junction com-
pensation, output type, configuration mode, front control button lock
Refer to 12.2 PC CONFIGURATOR SOFTWARE.
I/O ranging and fine adjustment via 'One-Step Cal' calibration or PC
2.5 dia. miniature jack; RS-232-C level
Input resistance: 50 Ω resistor incorporated
Maximum range: 0 to 20 mA DC
Minimum span: 1 mA
Input resistance: ≥ 1 MΩ
Maximum range: refer to Table 1
Minimum span: refer to Table 1
Input resistance: ≥ 1 MΩ
Maximum range: refer to Table 2
Burnout sensing: ≤ 4 µA
Conformance range: refer to Table 2
Minimum span: refer to Table 2
Excitation: ≤ 0.3 mA
Maximum range: refer to Table 3
Allowable leadwire resistance: max. 20 Ω per wire
Minimum span: refer to Table 3
Excitation: ≤ 0.3 mA
Maximum range: 0 to 4000 Ω
Allowable leadwire resistance: max. 20 Ω per wire
Minimum span: 10 Ω
Excitation: ≤ 0.3 mA
Maximum range: refer to Table 5
Allowable leadwire resistance: max. 20 Ω per wire
Minimum span: 2%
M3LU2 OPERATING MANUAL EM-2653-B Rev.0 40