1-11
XRC-195 Board Specifications, Cont.
Table 1–1 XRC Board Component Descriptions
ID Number
Description
ID Number
Description
1
SRAM (Lithium backed)
15
A-PI/DI/DO Connectors
2
Flash Program Memory
16
B- PI/DI/DO Connectors
3
Prom Loader/Utilities Memory
17
Remote Comm 1: Connectors
4
Factory Maintenance Interface
18
Remote Comm 2: Connectors
5
Keypad Connector
19
Remote Comm 2: RS-485 Term. Jumper
6
Security Switch
20
Remote Comm 2: Module Plug-in
7
Lithium Battery
21
Remote Comm 1: RS-485 Term. Jumper
8
Battery Cover
22
Remote Comm 1: Module Plug-in
9
Battery Mounting Bracket
23
External Charger Connector
10
Memory Backup Enable/Disable
24
Battery Connection
11
Analog Input Connectors
25
I/O Module Interface
12
Analog Input Selection Jumper
26
LCD Display Interface
13
Aux. Power Output Connectors
27
PCCU Interface
14
DeBounce Enable/Disable
28
SDRIVE: 32K E2Prom
29
Contrast Potentiometer
XSeries On-board Input/Output
Totalflow's XRC features the base I/O listed below:
•
5 User A/I's
•
4 User D/O's
•
4 User D/I’s (2 may be used as High Speed P/I’s (D/I 1 and D/I 2))
•
2 RS232 or 485 Comm Ports
•
1 Dedicated Local Communication Port
•
Interface for TFIO Modules
The Main Electronic Board (XRC-195 Board) is an enhanced replacement for previous
versions of the RTU Main Electronic Board. In the next few pages, you will see the
specifications for Digital/Pulse Input, Digital Output and Analog Input. To see a complete
overview of the XRC-195 Board, see Figure 1–5.
Comm. Ports
You have the ability to program up to two on-board communication ports
on the XRC-195 Board. Normally COMM 0 is the local port required for
reading the XRC with a laptop computer running PCCU32. COMM 1 and
COMM 2 can be configured for any combination of RS 232 or RS 485.
See Figure 1–5 for On-Board Communication Ports.
Summary of Contents for XRC6490
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Page 112: ...5 24 12V Communication Supply Voltage Test Cont Figure 5 9 XRC 195 Communication Wiring ...
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