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ADAM-5511
2-3
Chapter 2
dedicated as the RS-485 port. This unique design makes the controller
suitable for use in a variety of applications.
3-way isolation and watchdog timer
Electrical noise can enter a system in many different ways. It may enter
through an I/O module, a power supply connection or the communica-
tion ground connection. The ADAM-5511 system provides isolation
for I/O modules (3000 V
DC
), communication connections (2500 V
DC
),
and communication power connections (3000 V
DC
). The 3-way
isolation design prevents ground loops and reduces the effect of
electrical noise on the system. It also offers better surge protection to
prevent dangerous voltages or spikes from harming your system. The
system also has a watchdog timer to monitor the microprocessor. The
watchdog timer automatically resets the microprocessor in the ADAM-
551 if the system fails.
2.3 Technical Specifications of the ADAM-5511 System
2.3.1 System
•
CPU: 80188-40, 16-bit microprocessor
•
Flash ROM: 256 KB (system use only)
•
Operating system: ROM-DOS
•
Flash disk: 512 KB (400 KB free space for users)
•
SRAM: 12 KB battery backup free memory for users
•
Timer BIOS: Yes
•
Real-time clock: Yes
•
Watchdog timer: Yes
•
COM1(3F8): RS-232
•
COM2(2F8): RS-485
•
Programming port (RS-232 interface, DB-9 connector): Tx, Rx, GND
Summary of Contents for ADAM-5511
Page 1: ...1 Introduction ...
Page 2: ......
Page 19: ...0 Quick Start Chapter ...
Page 35: ...1 Introduction Chapter ...
Page 39: ...2 System Specifications Chapter ...
Page 45: ...3 Installation Guidelines Chapter ...
Page 57: ...4 I O Modules Chapter ...
Page 110: ...4 54 ADAM 5511 I O Modules This page inyrntionally left blank ...
Page 111: ...5 Programming and Downloading Chapter ...
Page 143: ...6 Function Library Chapter ...
Page 153: ...ADAM 5511 6 11 Chapter 6 ADAMdelay 1000 WDT_clear WDT_disable Remarks None ...
Page 161: ...ADAM 5511 6 19 Chapter 6 SetRTCtime RTC_hour hour Remarks None ...
Page 163: ...ADAM 5511 6 21 Chapter 6 printf nNode number Error Remarks None ...
Page 169: ...ADAM 5511 6 27 Chapter 6 write_user_ram 0 Remarks None ...
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Page 223: ...ADAM 5511 6 81 Chapter 6 printf start failed n Remarks None ...
Page 242: ...6 100 ADAM 5511 Function Library Remarks None ...
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Page 250: ...6 108 ADAM 5511 Function Library printf nAdam 4017 channel3 d data17 Remarks None ...
Page 252: ...6 110 ADAM 5511 Function Library printf nAdam 4018 channel3 d data18 Remarks None ...
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Page 260: ...6 118 ADAM 5511 Function Library printf nAdam 4080 channel2 d Idata80 Remarks None ...
Page 264: ...6 122 ADAM 5511 Function Library This page is blank ...
Page 297: ...A COM Port Register Structure Appendix ...
Page 301: ...B Data Formats and I O Ranges Appendix ...
Page 312: ...B 12 ADAM 5511 Data Formats and I O Ranges This page is blank ...
Page 313: ...C Examples on CD Appendix ...
Page 315: ...D RS 485 Network Appendix ...
Page 323: ...E Grounding Reference Appendix ...
Page 330: ...E 8 ADAM 5511 Grounding Reference Figure E 6 wire impedance ...