8620 Driver Entry Terminal
Varec, Inc.
13
Digital I/O Wiring
Four digital I/O modules can be installed in the 8620 DET. Field wiring should be installed
directly onto the Digital I/O Rack as shown in Table 3-2 and Table 3-3.
Ethernet Wiring
The 8620 DET has two 100-Base-T Ethernet jacks. One is located on the side of the single board
computer. The second one is located on the communications terminal as shown in Figure 3-1
on page 10. Standard 8-pin RJ-45 connectors are used for ethernet wiring.
3.2
Communications Wiring
Table 3-4 describes the wiring considerations for each communications protocol.
Pin
Pin Name
2
I/O 1+
3
I/O 1-
4
I/O 2+
5
I/O 2-
6
I/O 3+
7
I/O 3-
8
I/O 4+
9
I/O 4-
Table 3-2:
Field Terminal
Pin
Wire Color
Terminal
1
Red
Standard Voltage
2
Black
GND
3
Orange
I/O 1
4
Empty
N/A
5
Brown
I/O 2
6
Empty
N/A
7
Blue
I/O 3
8
Empty
N/A
9
Gray
I/O 4
Table 3-3:
Control Terminal — to Single Board Computer
Communication
Protocol
Description
Ethernet
Maximum length of 250 feet of twisted pair CAT5 cable.
RS-232
Maximum length of 50 feet of cable.
RS-485/422
Maximum length of 4000 feet of cable.
Table 3-4:
Communications Wiring Information
Summary of Contents for Data Entry Terminal 8620 Installation and...
Page 2: ......
Page 6: ...vi Installation and Operations Manual...
Page 8: ...Contents viii Installation and Operations Manual...
Page 12: ...Introduction 4 Installation and Operations Manual...
Page 16: ...Preparing for Installation 8 Installation and Operations Manual...
Page 22: ...Wiring 14 Installation and Operations Manual...
Page 26: ...Configuration 18 Installation and Operations Manual...
Page 36: ...Specifications 28 Installation and Operations Manual...
Page 38: ...Ordering Information 30 Installation and Operations Manual...
Page 39: ......