Hardware reference guide

Intrinsically Safe Modules
432
35013379 02 October 2007
RTD/Resistance
Module
Specifications
Specifications for the Quantum140AII33000 module configured as an Intrinsically
Safe RTD/Resistance input module are as follows.
RTD/Resistance Module Specifications
Number of Channels 8
LEDs Active (Green)
F (Red)
1 - 8 (Red) Indicated channel is out of range - includes
broken wire and short circuit conditions.
RTD Types (Configurable)
Platinum (American and European)
– PT100, PT200, PT500, PT1000
-200° C to +850° C
Nickel – N100, N200, N500, N1000 -60° C to +180° C
Measurement Current
PT100, PT200, N100, N200
PT500, PT1000, N500, N1000
2.5 mA
0.5 mA
Input Impedance >10 MΩ
Linearity +/- 0.003% of full scale (0 ... 60° C)
Resolution 12 bits plus sign (0.1° C)
Absolute Accuracy +/- 0.5 °C (25° C)
+/- 0.9 °C (0 .. 60° C)
Accuracy Error @ 25°C Typical: +/- 0.05% of full scale Maximum: +/- 0.1%
of full scale
Input Filter > 100 dB @ 50/60 Hz
Isolation
Channel to Channel
Channel to Bus
None
1780 Vac @ 47-63 Hz or 2500 Vdc for 1 min.
Update Time (All Channels)
3-wire
2 or 4-wire
1.35 sec.
750 m sec.
Bus Current Required 400 mA
Power Dissipation 2 W
External Power Not required for this module
Fault Detection Out of range or broken wire conditions
Hot Swap Not allowed per intrinsic safety standards
Fusing Internal-not user accessible
Programming Software Modsoft Ver. 2.61 or higher
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com