Hardware reference guide

Intrinsically Safe Modules
35013379 02 October 2007 453
Specifications Specifications for the Quantum 140AIO33000 Intrinsically Safe Analog Output
module are as follows.
Specifications
Number of Channels 8
LEDs Active (Green)
F (Red)
1 ... 8 (Green) - Module output switched ON
1 ... 8 (Red) - Broken wire on indicated Channel
(4 ... 20 mArange)
Loop Resistance 500 ohms maximum
Ranges 4 ... 20 mA (0 to 4095) 4 ... 20 mA (0 to 16000)
0 ... 20 mA (0 to 20000) 0 ... 25mA (0 to 25000)
Resolution 15 bits within 4 ... 20 mA
Accuracy Drift w/
Temperature
Typical: 40 PPM/°C.
Maximum: 70 PPM/°C
Accuracy Error @ 25°C +/- 0.2% of full scale
Linearity +/- 1 LSB
Isolation
Channel to Channel None
Channel to Bus 1780 Vac RMS for 1 minute
Update Time 4 ms - for all channels
Settling Time 1 ms to +/- 0.1% of the final value
Bus Current Required 2.5 Amp
Power Dissipation 12.5 W
External Power Not required for this module
Fault Detection Open circuit in 4 ... 20 mA range
Voltmeter Monitor Specifications
Range 0.250 ... 1.250 V
Scaling
(Volts) = (mA) x 0.0625
Output Impedance 62.5 W Typical
Wire Length 1 m maximum
Hot Swap Not allowed per intrinsic safety standards
Fusing Internal - not user accessible
Programming Software Modsoft Ver. 2.61or higher
V
OUT
I
LOOP
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com