Acromag IOS-521 Series Manuals

Manuals and User Guides for Acromag IOS-521 Series. We have 1 Acromag IOS-521 Series manual available for free PDF download: User Manual

Acromag IOS-521 Series User Manual

Acromag IOS-521 Series User Manual (21 pages)

Octal EIA/TIA-422B Communication Module

Brand: Acromag | Category: Control Unit | Size: 0 MB

Table of Contents

Table of Contents
2
General Information
2
Key Ios-521 Features
2
I/O Server Module Software Library
3
Preparation for Use
3
Unpacking and Inspection
3
Board Configuration
3
Connectors
3
IOS Field I/O Connector (P2)
3
Noise and Grounding Considerations
4
Programming Information
4
Address Maps
4
RBR - Receiver Buffer Register
6
THR - Transmitter Holding Register
6
DLL & DLM - Divisor Latch Registers
6
IER - Interrupt Enable Register
7
ISR - Interrupt Status Register
7
FCR - FIFO Control Register
8
LCR - Line Control Register
8
MCR - Modem Control Register
9
LSR - Line Status Register
10
MSR - Modem Status Register
11
SCR - Scratch Pad/Interrupt Vector Register
11
Enhanced Register Set
11
EFR - Enhanced Feature Register
11
XON/XOFF - 1,2 Registers
12
Identification Space
12
The Effect of Reset
12
Ios-521 Programming Considerations
13
FIFO Polled-Mode
13
FIFO Interrupt Mode
13
Loopback Mode Operation
14
Interrupt Generation
14
Software Flow Control
14
Programming Example
15
Theory of Operation
16
Eia/Tia-422B Serial Interface
16
Ios-521 Operation
17
Service and Repair
17
Service and Repair Assistance
17
Preliminary Service Procedure
17
Specifications
18
Physical
18
Environmental
18
Uart
18
Rs422/Rs485 Ports
18
Rs422/Rs485 Transmitter Outputs
18
Rs422/Rs485 Receivers Inputs
18
Ios-521 Block Diagram
19
Rs422/Rs485 Interface Diagram
20
Resistor Socket Location Diagram
21

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