CR1000 Manual - Campbell Scientific

Appendix F. Other Campbell Scientific Products
F.4 Control Output Modules
F.4.1 Digital I/O (Control Port) Expansion
Digital I/O expansion modules expand the number of channels for reading or
outputting or 5-Vdc logic signals.
Table 140. Digital I/O Expansion Modules
Model
SDM-IO16
Description
16-channel I/O expansion module
F.4.2 Continuous Analog Output (CAO) Modules
CAO modules enable the CR1000 to output continuous, adjustable voltages that
may be required for strip charts and variable-control applications.
Table 141. Continuous Analog Output (CAO) Modules
Model
SDM-AO4A
SDM-CVO4
Description
Four-channel, continuous analog voltage output
Four-channel, continuous voltage and current analog
output
F.4.3 Relay Drivers
Relay drivers enable the CR1000 to control large voltages.
Table 142. Relay Drivers
Model
A21REL-12
A6REL-12
LR4
SDM-CD8S
SDM-CD16AC
SDM-CD16S
SDM-CD16D
SW12V
Description
Four relays driven by four control ports
Six relays driven by six control ports / manual override
Four-channel latching relay
Eight-channel dc relay controller
16-channel ac relay controller
16-channel dc relay controller
16-channel 0 or 5-Vdc output module
One-channel 12-Vdc control circuit
F.5 Dataloggers
Other Campbell Scientific datalogging devices can be used in networks with the
CR1000. Data and control signals can pass from device to device with the
CR1000 acting as a master, peer, or slave. Dataloggers communicate in a network
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