- Emerson Remote Terminal Unit Instruction Manual

4-8 / Specifications CI-ControlWave Express
Input Impedance: 1 Meg ohm for 1-5V inputs
250 ohm for 4-20mA inputs
Settling Time: 600 msec to within 0.1% of input signal
Conversion Time: 20 usec
Non-isolated Analog Outputs
Number of Outputs: 1 AO (1-5V or 4-20mA) individually 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
General AI/AO Circuitry Specs.
Accuracy: Analog Input
0.1% of Span @ +25ºC (+77ºF)
0.2% of Span @ -40ºC to +70ºC (-40ºF to 158ºF)
Analog Output
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 (I
load
max = 5mA):
(see Note
1
& Note
2
)
0.1% of Span + (2.5 ohms x I
load
)/4.4V x 100@ +25ºC (+77ºF)
0.2% of Span + (2.5 ohms x I
load
)/4.4V x 100 @ -20ºC to +70ºC
(-4ºF to +158ºF)
0.3% of Span + (2.5 ohms x I
load
)/4.4V x 100 @ -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
Terminations: Pluggable - Max. wire size is 16 AWG
Data Transfer: SPI
4.3.4 Non-isolated High Speed Counter Input Circuitry Specs.
Number of Inputs: 2 HSC Inputs
Input Configuration: Internally Sourced Dry Contact
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