Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 286)

Publication AG-UM008C-EN-P - February 2005
8-20 Configuring Modems
Switch Settings
Set the switches on Model 166-100 according to those in Table 8.19.
Table 8.19
Model 166-100 Switch Settings
MARC Model 166-010
Model 166-010 is a Bell and CCITT compatible dial-up telephone
model that fits into a single slot of the Allen-Bradley 1771 I/O chassis.
To connect an Allen-Bradley PLC-5 processor to MARC Model
166-010, follow these specifications for:
•
cable pin assignments
•
switch settings
Cable Pin Assignments
The Model 166-010 requires a 15-pin male connector with the pin
assignments shown below or these MARC cable assemblies:
•
127-079 (1785-KE to MARC 166-010)
•
127-078 (1785 PLC-5/xx to MARC 166-010)
Figure 8.12 MARC, Inc. Model 166-010
Switch Assembly 1 2 3 4 5 6 7 8
Transmit Level off on off off off off off off
MARC
TIP (red wire)
RING (green wire)
CONTACT OUTPUT COMMON
RING CONTACT OUTPUT
NOT USED
NOT USED
INPUT #1 GROUND
INPUT #1 +24 VDC
INPUT #2 GROUND
INPUT #2 +24 VDC A
0
1
2
3
4
5
6
7
B
15-pin D female
port
To Allen-Bradley
PLC-5/xx or 1785-KE
RS-232 port
15-pin D female
port