External components, Screw terminals – Measurement Computing USB-QUAD08 User Manual
Page 18

USB-QUAD08 User's Guide
Functional Details
18
External components
The USB-QUAD08 has the following external components, as shown in Figure 15.
10 Screw terminal banks
37-pin I/O connector (J12)
Device Power and Status LEDs
USB connector
Counter/encoder channel LEDs (not shown below, refer to Figure 2 on page 8 for each location)
1
Counter input 1 connections
7
DIO2, 4, 6, 8, trigger, pacer, and power connections
2
Counter input 3 connections
8
Counter input 6 connections
3
Counter input 5 connections
9
Counter input 4 connections
4
Counter input 7 connections
10
Counter input 2 connections
5
DIO1, 3, 5, 7, ENC+ IN, power connections
11
Counter input 0 connections
6
USB connector and LEDs (Figure 16)
12
37-pin I/O connector (J12)
Figure 15. USB-QUAD08 external components
The LEDs and USB connector locations are shown in Figure 16.
1
Power LED (top) and Status LED (bottom)
2
USB connector
Figure 16. Power/Status LEDs, USB connector (device left side)
Screw terminals
The device has ten banks of detachable screw terminals that provide the following connections:
Eight encoder/counter inputs
Eight DIO, or six DIO and two timer outputs
Clamp for CEMF suppression
External trigger input
External pacer input
External encoder power input
Eight encoder power outputs
Power outputs
Ground