24
Unit Components
Section 2-1
2-1
Unit Components
2-1-1
Nomenclature
The illustration below shows the Status LED indicators, the Unit number
selector switch, and a 9-pin female sub-D connector on the front side of the
CS1W-PRM21 and the CJ1W-PRM21 Units. Each of these components are
explained in the following sections
Indicators
Unit number switch
This switch sets the Unit Number of the
PROFIBUS-DP Master Unit as a one-digit
hexadecimal number
PROFIBUS-DP Connector
9-Pin Sub-D, female connector, #4/40 UNC thread
Connect the PROFIBUS-DP network cable to this
connector. Termination must be provided with the
cable connector
CS1W-PRM21
CJ1W-PRM21
ERC
RUN
BF
PRM21
COMM
BST
ERH
PRM
NO.
UNIT
01
2345678
9ABC
DE
F
BUS
Indicators
Unit number switch
This switch sets the Unit Number of the
PROFIBUS-DP Master Unit as a one-digit
hexadecimal number
PROFIBUS-DP Connector
9-Pin Sub-D, female connector, #4/40 UNC thread
Connect the PROFIBUS-DP network cable to this
connector. Termination must be provided with the
cable connector
PRM21
CS
CS
UNIT
No.
FEDC
BA987
654
3210
RUN
RUN
ERC
ERC
BST
BST
BF
BF
ERH
ERH
PRM
PRM
COMM
COMM
BUS
Summary of Contents for SYSMAC CJ1W-PRM21
Page 2: ...iv...
Page 36: ...22 Basic Operating Procedure Section 1 5...
Page 52: ...38 Defining PROFIBUS DP in the Software Section 2 5...
Page 112: ...98 Allocated CIO Area Words Section 4 2...
Page 122: ...108 Command Response Reference Section 5 2...
Page 160: ...146 Replacing the Unit Section 7 8...
Page 174: ...160 Appendix...
Page 180: ...166 I O Data Conversions Appendix D...
Page 186: ...172 Configurator Error and Warning Messages Appendix E...
Page 187: ...173 Index...
Page 188: ...174 Index...
Page 190: ...176 Revision History...