324Control Data

Ethernet Systems Refer to the PC Card Unit Operation Manual for details.

Word Bits 00 to 07 Bits 08 to 15
CNumber of words (0 to 1000 in 4-digit hexadecimal, i.e., 0000hex to 03E8hex)
C+1 Response time limit (0.1 and 25.4
seconds in 0.1 s increments in
2-digit hexadecimal without
decimal point, i.e., 01hex to FFhex)
Default is 00hex (2 seconds)
Bits 08 to 11:
No. of retries (0 to 15 in
hexadecimal,
i.e., 0hex to Fhex)
Bit 12 ON: Direct source
beginning word
designation
OFF: Indirect designation
Bit 13 ON: Response not
returned.
OFF: Response returned.
Bit 14 ON: Operating level 0
OFF: Operating level 1
Bit 15: Set to 1.
C+2 Source node (0 to 127 in 2-digit
hexadecimal, i.e., 00hex to 7Fhex)* Bits 08 to 12:
Unit address of source
node. Set to 00hex.
Bits 13 to 15: Set to 0.

SYSMAC NET Link Systems The source port number is always set to 0. Set the network number to 0 to re-

ceive data to a node on the same Subsystem (i.e., network). Refer to the SYS-

MAC NET Link System Manual for details.

Word Bits 00 to 07 Bits 08 to 15
CNumber of words (0 to 1000 in 4-digit hexadecimal, i.e., 0000hex to 03E8hex)
C+1 Network number (0 to 127 in 2-digit
hexadecimal, i.e., 00hex to 7Fhex)Bit 12 ON: Direct source
beginning word designation
OFF: Indirect designation
Bit 14 ON: Operating level 0
OFF: Operating level 1
Bits 08 to 11, 13 and 15: Set to 0.
C+2 Source node (1 to 126 in 2-digit
hexadecimal, i.e., 01hex to 7Ehex)Source port
NSB: 00
NSU: 01/02

SYSMAC LINK Systems Refer to the SYSMAC LINK System Manual for details.

Word Bits 00 to 07 Bits 08 to 15
CNumber of words (0 to 256 in 4-digit hexadecimal, i.e., 0000hex to 0100hex)
C+1 Response time limit (0.1 and 25.4
seconds in 2-digit hexadecimal
without decimal point, i.e., 00hex to
FFhex)
Note: The response time will be
2 seconds if the limit is set to 0hex.
There will be no time limit if the
time limit is set to FFhex.
Bits 08 to 11:
No. of retries (0
to 15 in
hexadecimal,
i.e., 0hex to Fhex)
Bit 12 ON: Direct source
beginning word
designation
OFF: Indirect designation
Bit 13: Set to 0.
Bit 14 ON: Operating level 0
OFF: Operating level 1
Bit 15: Set to 1.
C+2 Source node (0 to 62 in 2-digit
hexadecimal, i.e., 00hex to 3Ehex)Set to 0.
Network Instructions Section 5-26