CR1000 Manual - Campbell Scientific

Appendix F. Other Campbell Scientific Products
F.2.2 Pulse / Frequency Input Expansion Modules
These modules expand and enhance pulse- and frequency-input capacity.
Table 132. Pulse / Frequency Input-Expansion Modules
Model
SDM-INT8
SDM-SW8A
LLAC4
Description
Eight-channel interval timer
Eight-channel, switch-closure module
Four-channel, low-level ac module
F.2.3 Serial Input Expansion Peripherals
Serial i/o peripherals expand and enhance input capability and condition serial
signals.
Table 133. Serial Input Expansion Modules
Model
SDM-SIO1
SDM-SIO4
SDM-IO16
Description
One-channel i/o expansion module
Four-channel i/o expansion module
16-channel i/o expansion module
F.2.4 Vibrating-Wire Input Modules
Vibrating-wire input modules improve the measurement of vibrating wire sensors.
Table 134. Vibrating-Wire Input Modules
Model
CDM-VW300
CDM-VW305
AVW200 Series
Description
Two-channel dynamic vibrating wire analyzer
Eight-channel dynamic vibrating wire analyzer
Two-channel vibrating wire spectrum analyzers
F.2.5 Passive Signal Conditioners
F.2.5.1 Resistive Bridge TIM Modules
Signal conditioners modify the output of a sensor to be compatible with the
CR1000.
Table 135. Resistive Bridge TIM Modules
Model
4WFB120
4WFB350
4WFBS1K
3WHB10K
Description
120--Ω, four-wire, full-bridge TIM module
350-Ω, four-wire, full-bridge TIM module
1-kΩ, four-wire, full-bridge TIM module
10-kΩ, three-wire, half-bridge TIM module
561