GE IC660BBA104 Current-source 4 Input/2 Output Analog Blocks
GE IC660BBA104 Current-source 4 Input/2 Output Analog Blocks
OVERVIEW
Current Source Analog I/O blocks are used to interface a controller to devices that provide or accept 4mA to 20mA analog signals. Two block versions are available:
115 VAC Current-source Analog I/O Block (IC66*BBA104)
24/48 VDC Current-source Analog I/O Block (IC66*BBA024)
Features
Block features include:
Six 4-to-20 mA analog circuits: 4 inputs and 2 outputs
Isolated channels
No user calibration required for operation
Software configurable
Advanced diagnostics
Dedicated Bus Switching Module control
Block diagnostics include:
input low and high alarm detection
overrange and underrange detection for inputs and outputs
input open wire detection
output feedback error detection
internal fault reporting
Block Specifications
Size (height x width x depth):8.83” (22.44cm) x 3.34” (8.48cm) x 3.91” (9.93cm)
Weight:4 lbs. (1.8 kg)
LEDs (I/O Block):Unit OK, I/O Enabled
Block to Block Isolation:1500V for one minute
Group to Group Isolation:Group to Group Isolation
Heat Dissipation:12 Watts maximum
BSM Control:Switches one 24/48 VDC BSM (IC66*BSM021)
Input Specifications
Input accuracy (at 25° C):0.1% of full scale reading
Input resolution:1µA
Input conversion time:16.6ms to 400ms (user selectable)
Range:4mA to 20mA
Overrange capacity:0mA to 25mA
Input diagnostics:Under / Overrange, High /Low Alarm, Open Wire
Channel to channel isolation:1500V rms
Normal Mode Rejection:-45 dB at 50, 60 Hz
Output Specifications
Output accuracy at 25° C:0.15% of full scale reading
Output resolution:6µA
Output update frequency:6ms to 8ms typical
Overrange capacity:0mA to 24mA
Output diagnostics:Underrange, Overrange, Feedback error
Environmental Specifications
Operating temperature:0° C to +60° C (+32° to +140° F)
Storage temperature:-40° to +100° C (-40° to +212° F)
Humidity:5% to 95% (non-condensing)
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