Optional Equipment
Connecting External Devices
Thermo Scientific
49iQPS Instruction Manual
8-11
The digital I/O board consists of:
●
16 Digital Inputs (18 pin connector)
●
10 Digital Relay Switches (20 pin connector)
●
8 Valve Driver Outputs (16 pin connector)
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
●
Logic High Threshold: 2.0 V
●
Absolute allowable input voltages: -0.5 to 5.5 V
Figure 8–6.
Digital Inputs
Digital I/O Board
Digital Inputs
Summary of Contents for Ozone Primary Standard 49iQPS
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