Table of Contents
Advertisement
Use Figure 2-29 to estimate the maximum length of wire that can be connected to an Auxiliary-
Power Output as a function of RS-485 peripheral-devices current.
4000
3500
3000
2500
2000
1500
1000
500
0
0.0
0.1
Figure 2-29. 24 Vdc-Power Wiring Length vs. Peripheral-Devices Current
Refer to the installation manuals for the remote display module and driver modules for address
selection and additional point-to-point-connection details. The numbers of peripheral devices for
a particular application are specified via the ARIES Programmer's Guide.
2-14
RELAYS
The ARIES Control Unit has three Form-C, programmable relays and one Form-C, trouble relay
as shown in Figure 2-30. All of these relays have the following contact ratings:
•
1.0 A @ 30 Vdc (resistive)
•
0.5 A @ 30 Vdc (inductive)
•
0.5 A @ 120 Vac (inductive)
August 2013
0.2
0.3
0.4
Total Current (A) for RS-485 Peripheral Devices
Programmable Relay No. 1
Programmable Relay No. 2
Programmable Relay No. 3
Relay No. 4 (Trouble)
Figure 2-30. Programmable and Trouble Relays
0.5
0.6
2-28
0.7
0.8
0.9
P/N 06-236530-001
1.0
Advertisement
Table of Contents
