Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 537)

I/O Interface
Section 10A
10A-14
Output Specifications
Table 10A.H lists the output specifications of the MTB I/O module.
Table 10A.H
Push-Button MTB Panel I/O Module Output Specifications
Item Specifications Remark
A-B MTB Panel Custom MTB Panel
Number of Output Points 37 18
Modal Group Outputs 19 Non--I/O Outputs
Discrete Outputs 18 I/O Outputs
Output Type Sink/Source Totem Pole Driver Output
Output Voltage Range 9.3-13.2V dc
Output Current at ON Less than 125mA Per Each Output
Output Voltage Drop at ON Less than 1 V dc
Number of Common Points 22 Internally Connected to Power Supply
Isolation Non-Isolated type
Connection 60 Pin Flat Cable Connector (CN52) Max. Length 1m
Figure 10A.8 through Figure 10A.9 show typical output circuit diagrams
for the push-button MTB panel I/O module.
Figure 10A.8
Push-Button MTB Panel I/O Module Output Circuit Diagram
Fiber
optics
Converted
from optical
to electrical
signal
Push-Button MTB Panel
Push-Button MTB Panel I/O Module
Load
Operator Panel
dc power
supply
+12V
Common
Output
Common
Important: A protection resistor is not required with this module.