Manual

286 Publication 1756-UM009C-EN-P - December 2010
Appendix A Analog I/O Module Specifications
Current draw @ 5.1V 250 mA
Current draw @ 24V 100 mA
Power dissipation, max Voltage: 3.7 W
Current: 4.3 W
Thermal dissipation Voltage: 12.62 BTU/hr
Current: 14.32 BTU/hr
Input impedance Voltage: > 10 MΩ
Current: 249 Ω
Open circuit detection time Positive full scale reading within 5 s
Overvoltage protection, max Voltage: 120V AC/DC
Current: 8V AC/DC (with on-board current resistor)
Normal mode noise rejection
60 dB @ 60 Hz
(1)
Common mode noise rejection 120 dB @ 60 Hz
100 dB @ 50 Hz
Channel bandwidth
15 Hz (-3 dB)
(1)
Settling time
<80 ms to 5% of full scale
(1)
Calibrated accuracy 25 °C Better than 0.1% of range
Calibration interval 6 months
Offset drift 2 μV/°C
Gain drift with temperature Voltage: 35 ppm/°C, 80 ppm/°C max
Current: 45 ppm/°C, 90 ppm/°C max
Module error 0.54% of range
Module input scan time, min 25 ms min – floating point
10 ms min – integer
(1)
Isolation voltage 250V (continuous), basic insulation type, input
channels-to-backplane, and input channel-to-channel
Routine tested at 1350V AC for 2 s
Removable terminal block 1756-TBNH
1756-TBSH
Slot width 1
Wire size
0.33… 2.1 mm
2
(22…14 AWG) solid or stranded copper
wire rated at 90 °C (194 °F ), or greater, 1.2 mm
(0.047 in.) insulation max
(2)
Wire category
2
(3)
North American temperature code T4A
IEC temperature code T4
Enclosure type None (open-style)
(1)
Notch filter dependent.
(2)
Maximum wire size requires extended housing, catalog number 1756-TBE.
(3)
Use this conductor category information for planning conductor routing as described in the system-level
installation manual. See the Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1.
Technical Specifications - 1756-IF6I
Attribute 1756-IF6I