Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 567)

I/O Interface
Section 10A
10A-44
Table 10A.AF lists the input specifications for the analog I/O.
Table 10A.AF
E- Series Analog I/O Input Specifications
Item Specifications Remark
Number of Input Points 1
Input Voltage Range Bipolar: -10 to +10 V dc
Unipolar: 0 to +10V dc
Range selected by switch next to the
node address switch on the analog I/O
Resolution 12 bit binary
Input Impedance More than 100 Kohms -10V to +10V
Conversion Rate Interval: Less than 100 m sec
Time: Less than 30 m sec
Approx. 64 m sec
Approx. 20 m sec
Maximum Input Voltage ± 25 V dc
Common Mode Rejection More than 70dB From dc to 60 Hz
Connection Terminal Block
PAL Variable Values Bipolar:
0 -- 2047 (0 to +10V dc)
2048 -- 4096 (--10 to 0 V dc)
Unipolar:
0 -- 4096 (0 to +10V dc)
The PAL variable name is determined in
your I/O configuration using ODS.
Figure 10A.35 shows a typical analog I/O input device connection.
Figure 10A.35
E- Series Analog I/O Input Device Connection
Single
Input
Differential
Input
Terminal
Block
Label
Shielded cable Shielded cable
CHASSIS
GND
INPUT
( - )
COM
INPUT
( + )
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
NOT
USED
NOT
USED
CHASSIS
GND
INPUT
( - )
COM INPUT
( + )
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
NOT
USED
NOT
USED
From analog device
e e 2 e 1
e=e
1
-e
2
From analog device
11340-I