Emerson Process Management ControlWave EFM 3808 User Manual
Page 140
4-8 / Specifications
CI-ControlWave EFM
Power Consumption:
2.5mA + 1.145mA @ 4.66US/Channel Period, CLK active
180uA, CLK stopped
Non-isolated Mixed I/O Module Analog Output
Number of Outputs:
1 AO (1-5V or 4-20Ma) jumper configurable
4-20mA Output
Compliance:
250 ohm load with 11V External Power Source
650 ohm load with 24V External Power Source
1-5V Output:
5mA maximum output current into external load with
external voltage range of 11 to 30 Vdc
Accuracy: Current
Output:
0.1% of Span @ +25ºC (+77ºF)
0.2% of Span @ -20ºC to +70ºC (-4ºF to 158ºF)
0.3% of Span @ -40ºC to +70ºC (-40ºF to 158ºF)
Voltage Output Compliance (I
load
max = 5mA):
(see Note
1
& Note
2
)
0.1% of Span + X @ +25ºC (+77ºF)
0.2% of Span + X @ -20ºC to +70ºC (-4ºF to +158ºF)
0.3% of Span + X @ -40ºC to +70ºC (-40ºF to 158ºF)
where X = [(2.5 ohms x I
load
)/4.4V x 100]
Note
1
: Does not include error due to inductors
Note
2
: 2.5 ohm uncompensated series resistance with
Inductors
Power Consumption:
System Power - 5.0mA from 3.3V source
External Power V to I (AO at 20mA each) - 24.3mA
External Power V to I (AO at 5V @ 0mA) – 4.2mA
External Power V to I (AO at 5V @ 5mA) - 9.2mA
Non-isolated Mixed I/O Module High Speed Counter Inputs
Number of Inputs:
2 HSC Inputs per Module
Input Configuration:
Internally Sourced Dry Contact, individually Jumper
selectable Debounce Circuitry and individually Jumper
selectable input current of 180uA or 2.2mA. HSC Circuitry
can be Jumper Enable/Disabled to save power
Input Frequency:
10kHz Max.
Input filtering:
20 microseconds
Signal Conditioning:
Debounce circuit for contact closures and bandwidth
limiting
‘1’ State Voltage:
below 1.5V
‘0’ State Voltage:
above 1.5V
Bus Access:
Eight Bits Wide