Campbell CR300 series - 5.4 Communications ports

CR300-Series Datalogger
20
5. Overview
5.1 Wiring Panel Overview
FIGURE 5-1. CR300 Wiring Panel
TABLE 5-1. CR300 Wiring Panel Terminal Definitions
Analog Input Function
C1
C2
P_SW
P_LL
VX1
VX2
SE1
SE2
SE3
SE4
SE5
SE6
RS-232
SW12
Max
Single Ended
     
6
Differential
H L H L H L 3
4 to 20 or 0 to 20 mA
  2
Analog Output Function
C1
C2
P_SW
P_LL
VX1
VX2
SE1
SE2
SE3
SE4
SE5
SE6
RS-232
SW12
Max
Switched-Voltage Excitation
  2
5 V Source
    4
12 V Source
 1
Digital I/O Function
C1
C2
P_SW
P_LL
VX1
VX2
SE1
SE2
SE3
SE4
SE5
SE6
RS-232
SW12
Max
RS-232
 1
RS-232 0-5 V
Tx Rx 1
SDI-12
  2
Pulse-Width Modulation
    4
Timer Input
    4
Period Average
    4
Interrupt
      6
General I/O
       7
Pulse Counting Function
C1
C2
P_SW
P_LL
VX1
VX2
SE1
SE2
SE3
SE4
SE5
SE6
RS-232
SW12
Max
Switch Closure
  
3
High Frequency
        8
Low Level AC
 1
Earth
Ground