Digital I/O Board; Digital Inputs; Digital Relay Switches; Valve Driver Outputs - Thermo Scientific 43iQTL Instruction Manual

Digital I/O Board

Digital Inputs

Thermo Scientific
The digital I/O board consists of:
16 Digital Inputs (18 pin connector)
G
10 Digital Relay Switches (20 pin connector)
G
8 Valve Driver Outputs (16 pin connector)
G
The digital inputs are TTL (3 V or 5 V) compatible and are pulled high
within the instrument. The active state can be user defined in firmware.
Logic Low Threshold: 0.8 V
G
Logic High Threshold: 2.0 V
G
Absolute allowable input voltages: -0.5 to 5.5 V
G
Figure 9–6. Digital Inputs
Optional Equipment
Connecting External Devices
9-11
43iQTL Instruction Manual