Emerson VE4003S2B1 parameters are as follows:

Sensor connectivity: Each channel has four inputs (A, B, ST, and DI) and one output (DO).
Interface: Available for RS422, 5V, 12V, 24V and 13mA sensor signal levels.
Pulse counting and frequency measurement: Pulse counting and frequency measurement are performed simultaneously.
Frequency (speed) measurement: Frequency (speed) measurement value is 0.25Hz-1.5MHz.
Channels: There are two channels.

Emerson VE4003S2B1 Analog input card features are as follows:

Easy installation: The interface carrier is mounted on the T-DIN rail, and the I/O interface carrier includes 24VDC field instrument power supply, I/O interface and terminal connection.
Strong scalability: Each I/O interface carrier is equipped with a connector that allows an additional I/O interface carrier to be plugged into it.
High performance: The controller executes all control strategies at an execution speed of up to every 100 milliseconds.