- Emerson Remote Terminal Unit Instruction Manual

CI-ControlWave Express Specifications / 4-7
4.3.2 Non-isolated Digital Input/Output Circuitry Specs.
Non-isolated Digital Inputs
Number of Inputs: 4 Fixed, 2 Selectable DI - Internally Sourced (Dry Contact)
operation
Input Filtering: 15 milliseconds
Input Current: Switch Selectable (SW1-3)
DI1 through DI4 (SW1-3: ON = 2mA, OFF = 60uA)
DI5 & DI6 (SW1-3: ON = 2.2mA, OFF = 200uA)
Bus Access: SPI
ON State Voltage: below 1.3V
OFF State Voltage: above 1.6V
Electrical Isolation: None
Surge Suppression: 30V Transorb between signal and ground
Meets ANSI/IEEE C37.90-1978
Status Indication: None
Non-isolated Digital Outputs
Number of Outputs: 2 Fixed, 2 Selectable DO
Output Configuration: Open Drain (Externally Powered)
Maximum Load Current: 400mA each 30Vdc
Electrical Isolation: None
Surge Suppression: 30V Transorb between signal and ground
Meets ANSI/IEEE C37.90-1978
General DI/DO Circuitry Specs.
Terminations: Pluggable, max wire size is 16 AWG
4.3.3 Non-isolated Analog Input/Output Circuitry Specs.
Non-isolated Analog Inputs
Number of Inputs: 3 Single Ended Inputs (1-5V or 4-20mA) individually
jumper configurable
Input Type: (Externally Powered) Voltage Input: 1-5 Vdc
(Externally Powered) Current Loop: 4-20mA
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