Data Transfer Rates; Power; General; Environmental - Measurement Computing USB-DIO24 User Manual

USB-DIO24/37 User's Guide

Data transfer rates

Parameter
Digital I/O transfer rates (software paced)
Digital input
Digital output
Counter/timer read/write rates (software paced)
Counter read
Counter clear

Power

Parameter
Supply current (Note 2)
+5V USB power available (Note3)
Output current (Note 4)
Note 2: This is the total current requirement for the USB-DIO24/37which includes up to 5 mA for the status LED.
Note 3: Self-powered refers to USB hubs and hosts with a power supply. Bus-powered refers to USB hubs and hosts
without their own power supply.
Note 4: This refers to the total amount of current that can be sourced from the USB +5V and digital outputs.

General

Parameter
USB controller clock error
Device type
Device compatibility

Environmental

Parameter
Operating temperature range
Storage temperature range
Humidity
Table 3. Data transfer rate specifications
Specification
62 port reads or single bit reads per second typ
125port writes or single bit writes per second typ
62 port reads per second typ
125 port writes per second typ
Table 4 . Power specifications
Conditions
Connected to self-powered hub
Connected to bus-powered hub
Connected to self-powered hub
Connected to bus-powered hub
Table 5. General specifications
Conditions
25 °C
0 to 70 °C
Table 6. Environmental specifications
Specification
0 to 70 °C
–40 to 85 °C
0 to 90% non-condensing
12
Specifications
Specification
20 mA typ, 40 mA max
4.5 V min, 5.25 V max
4.1 V min, 5.25 V max
460 mA max
60 mA max
Specification
±30 ppm max
±50 ppm max
USB 1.1 low-speed
USB 1.1, USB 2.0