User manual OMRON WIRED REMOTE I-O SYSTEM MANUAL
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Manual abstract: user guide OMRON WIRED REMOTE I-OSYSTEM MANUAL
Detailed instructions for use are in the User's Guide.
[. . . ] W120-E1-08
SYSMAC C-series Rack PCs
Wired Remote I/O
Wired Remote I/O
Revised April 2003
OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. Failure to heed precautions can result in injury to people or damage to property. !
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
! [. . . ] Pin 1 0 1 2 3 4 5 6 7 OFF ON OFF ON OFF ON OFF ON Pin settings Pin 2 OFF OFF ON ON OFF OFF ON ON
Pin 3 OFF OFF OFF OFF ON ON ON ON
Note Unit numbers 0 through 7 are used in C1000H and C2000H Systems. Use numbers 0 and 2 or numbers 1 and 3 for C500 Slaves attached to a C200H Master (to prevent overlapping word assignments). All other PC Systems use only unit numbers 0 and 1.
Pin 4: Output HOLD/STOP Mode
OFF: STOP mode ON: HOLD mode All output words set to OFF for transmission errors. All output words retain status transmission errors.
Transmission errors for Slaves include errors in data from the Master and no-data errors. Note that HOLD mode is not effective for all errors detected by the CPU Unit.
Unit number switch
Transmission line terminals
Masters and Slaves
LINE ERROR XMT/RCT
Lights for transmission line errors. Setting of 0 or 1 on unit number switch Flashes when any of the Slaves or Remote Terminals in the Master Subsystem are transmitting normally. Goes out if all Slaves and Remote Terminals are abnormal or for errors occurring in the CPU Unit refresh cycle. Goes out if an error occurs in any Slave or Remote Terminal transmitting data or for errors occurring in the CPU Unit refresh cycle. All transmissions will be stopped when this indicator goes out.
Setting of 2 or 3 on unit number switch
ERROR END RS
Lights if an error occurs in any Slave or Remote Terminal transmitting data or for errors occurring in the refresh cycle. Remains unlit as long as all Slaves and Remote Terminals transmitting data are normal. Refer to 7-7 Slave Unit Numbers with Multiple Terminator.
Switches and Selectors
Unit Number ("Machine No. ") Set to 0 or 2 to set Unit #0; 1 or 3 to set Unit #1. If 0 or 1 is used, transmission will continue even if a transmission error occurs. If 2 or 3 is used, transmission to all Slaves will be interrupted if a transmission error occurs.
The only setting necessary for C200H Masters is the unit number. The unit number determines AR area Error flags and Restart bits (see 7-2 Error Codes and Monitoring).
Two models of C200H Slave are available: C200H-RT201 and C200H-RT202. The C200H-RT201 is switchable between 100/110 VAC and 200/220 VAC; the C200H-RT202 uses 24 VDC. The RT201 is shown below.
Power supply fuse
Switch cover Remove to access DIP switch and terminator selector.
Power supply terminals
Masters and Slaves
XMT/RCV not lit flash ----flash flash flash ERROR1 not lit not lit lit lit flash lit lit
C200H Slaves indicators function together to show the status of the System. The RUN indicator is controlled by the mode setting on the CPU Unit.
ERROR2 not lit not lit --lit lit lit flash RUN not lit --not lit not lit --not lit --Status Meaning
System not started or pow- Master is still testing System or power off. Normal transmission Transmission error I/O bus error I/O verification error I/O setting error Normal transmissions are occurring between Slave and Master. An I/O Unit designation on the Slave Rack is wrong.
Expansion I/O Rack miss- An Expansion I/O Rack connected to the ing. Slave Rack with I/O Connecting Cable cannot be confirmed by the PC.
C200H Slave Switches
The DIP switch and terminator selectors are accessed by removing the switch cover on the front of the Slave. Always be sure that the PC and Slave power are turned off before setting the switches.
Terminator (Termination resistance ON) Terminator Setting Not terminator (Termination resistance OFF)
Pins 1 through 3: Unit Number
Unit number* 0 1 2 3 4 5 6 7 Pin 1 OFF OFF OFF OFF ON ON ON ON 2 OFF OFF ON ON OFF OFF ON ON 3 OFF ON OFF ON OFF ON OFF ON
*Unit numbers 0 and 1 can be set for C120 and C500 Systems; unit numbers 0 through 4 for C200H Systems; and 0 through 7 for C1000H and C2000H Systems.
Pin 4: Type of Master
ON OFF Master other than C200H C200H Master
Pin 5: Output HOLD/STOP Mode
ON OFF HOLD mode, i. e, all output words retain status in for transmission errors. STOP mode, i. e. , all output words set to OFF for transmission errors.
Pin 6: Pin 6 should always be set to OFF.
The procedure for setting the switches in the Remote Interface is exactly the same as in the Remote Terminals. [. . . ] A Rack containing a Remote I/O Slave Unit and controlled through a Remote I/O Master Unit. Slave Racks are generally located away from the CPU Rack.
Remote I/O Master Unit
Remote I/O Slave Unit
Remote I/O Subsystem
Remote I/O System
Remote I/O Unit
Slave Slave Rack
slot Special I/O Unit A position on a Rack (Backplane) to which a Unit can be mounted. Special I/O Units include Position Control Units, High-Speed Counter Units, Analog I/O Units, etc. In OMRON PC terminology, the word Unit is capitalized to indicate any product sold for a PC System. [. . . ]
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