Campbell SDM-SIO4 Manuel d'utilisateur télécharger pdf (Page 5)

SDM-IO16 16-Channel Input/Output Expansion Module

 e SDM-IO16 expands the digital input and/or

output capability of Campbell Scienti c dataloggers. It

o ers similar functionality to the control ports of our

dataloggers. When con gured as an input, each port

can monitor logic state, count pulses and switch clo-

sures, measure signal frequency, and determine duty

cycle. When con gured as an output, the SDM-IO16

can drive normal logic level inputs and directly control

low-voltage valves and relays.

SDM-SIO1 Serial Input/Output Module

 e SDM-SIO1 expands the number of serial devices

that can communicate with a CR800, CR850, CR1000,

or CR3000 datalogger.  e SDM-SIO1 module con-

nects to a remote serial device using industry standard

hardware that can be set to true RS-232, RS-485 or

RS-422 mode. It accepts up to 2047 bytes of serial

data and stores the data in a bu er.  e bu er allows

remote equipment to transmit large amounts of data

without hindering other processes in the datalogger.

SDM-SIO4 Four-Channel Serial Input/Output Interface

 e SDM-SIO4 adds capacity and  exibility to a data-

logger. It has four serial ports that communicate with

intelligent serial sensors, display boards, printers, satel-

lite links, and other serial devices. Once programmed,

the SDM-SIO4 communicates with connected devices

in parallel with the datalogger’s own program se-

quence, thus making the complete datalogging system

faster and more e cient.

SET UP

STATUS

SDM-SIO4

4-Channel Serial I/O

odule

MADE IN ENCLAND

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Campbell SDM-SIO4 Manuel d'utilisateur Page 5