Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 553

I/O Interface
Section 10A
10A-30
Table 10A.T
Transistor Output Specifications
Item
Rating
Remark
Output Voltage Range
10 - 50 V dc
Continuous Output Current per Circuit
1.0A at 30
°
C
0.5A at 60
°
C
Continuous Output Current Per Chassis
10.0A at 30
°
C
5A at 60
°
C
Surge Current
3.0A/20 msec
1 surge/sec (30
°
C)
1 surge/2 sec (60
°
C)
Minimum Load Current
1.0mA
Maximum OFF State Leakage Current
0.1mA
OFF to ON Response Time
100 microseconds
Maximum ON State Voltage Drop
1.5 V at 1.0A
0.8 V at 0.5A
Electrical-Optical Isolation
1500 V
Between Output Voltage
and Control Logic
Recommended Output Fusing
San-O: SOC ST4-2A
Or Equivalent
Figure 10A.22 through Figure 10A.23 show the digital I/O output circuit
diagrams. In Figure 10A.23 consider that the relay type outputs, A11 and
B11 terminals of E151, E152, E153, and E154 are not provided with a
noise suppressor.
Figure 10A.22
Digital I/O Triac Output Circuit Diagram (E151, E152)
Digital I/O Module
Signal destination
V ac
Photo-
coupler
PE
ac power
supply
Load
Noise
suppressor
L1
L2
11327-I