Campbell CR6 Series, Руководство оператора, Страница: 63 / 690

Section 5. Overview
63
TABLE 2: CR6 Wiring Panel Terminal Definitions
Terminal Label

============
Function

C1 C2 C3 C4 U1 U2 U3 U4 U5 U6 U7 U8 U9 U1
0
U1
1
U1
2
12V SW
12
-1
SW
12
-2
C
S
I/O
RS
-232/
C
PI
M
ax
imum
1
Analog Output Function:
Switched-voltage
excitation
           
12
Switched-Current
Excitation
           
12
Pulse Counting Function:
Switch closure
               
16
Low-level Vac
     
6
High frequency
               
16
Digital I/O Function:
True RS-232 (TX/RX)
 

3

4
3
TTL or LVTTL RS-232
(TX/RX)
       
8
Half-Duplex RS-485
(A– B+)
 
2
Full-Duplex RS-485
(Tx– Tx+ Rx– Rx+)

1
SDI-12
       
8
SDM
(Data/Clock/Enable)
   
1
SPI
(MOSI/SCLK/MISO)
   
4
I
2
C (SDA/SCL)
       
8
Control
               
16
Status
               
16
General I/O
               
16
Pulse-width modulation
               
16
Timer Input
               
16