11.5 Analog measurements specifications 216
11.5.1 Voltage measurements 216
11.5.2 Resistance measurements specifications 218
11.5.3 Period-averaging measurement specifications 219
11.5.4 Static vibrating wire measurement specifications 219
11.5.5 Thermistor measurements specifications 220
11.5.6 Current-loop measurement specifications 220
11.6 Pulse measurement specifications 221
11.6.1 Switch closure input 221
11.6.2 High-frequency input 222
11.6.3 Low-level AC input 222
11.7 Digital input/output specifications 222
11.7.1 Switch closure input 223
11.7.2 High-frequency input 223
11.7.3 Edge timing 223
11.7.4 Edge counting 224
11.7.5 Quadrature input 224
11.7.6 Pulse-width modulation 224
11.8 Communications specifications 224
11.8.1 Wi-Fi option specifications 225
11.8.2 RF radio option specifications 226
11.9 Standards compliance specifications 227
Appendix A. Glossary 229
Table of Contents - xiv