CV500BSC51 Omron, CV500BSC51 Datasheet - Page 49
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CV500BSC51
Manufacturer Part Number
CV500BSC51
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500BSC51.pdf
(101 pages)
Specifications of CV500BSC51
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Master Mode Functions
5-1
5-1-1
5-1-2
32
Master Mode Functions
Sending Interface Messages
Sending Data in Master Mode
1,2,3...
1,2,3...
Send interface messages to control other devices in the GP-IB system. Use
the following procedure to send interface messages.
1. Write the following 3 settings into buffer memory from the ladder program.
2. Turn ON (OFF
Use the INTELLIGENT I/O READ and INTELLIGENT I/O WRITE instructions
(IORD(222) and IOWR(223)) to read and write data in the Unit’s buffer mem-
ory.
Use the following procedure to send data in Master mode.
1. Write the following 2 settings into buffer memory from the ladder program.
Buffer memory
Send Interface
Message Request Bit
(Bit 00 of n)
Interface Message
Send Completed Flag
(Bit 00 of n+5)
• Interface message number
• Number of peer devices
• Peer device addresses
• Transmission delimiter specification
• Timeout monitor time
n). When the interface message has been sent, the Interface Message
Send Completed Flag (bit 00 of n+5) will be turned ON.
(It isn’t necessary to make these settings if they are the same as the set-
tings in the allocated DM area words.)
CPU Unit
CPU Unit
CPU Unit
1. Use IOWR(223) to
2. Turn ON the Send
4. The Interface
1. Use IOWR(223) to
2. Turn ON the Send
4. The Interface
1. Use IOWR(223) to
2. Turn ON the Send
4. The Interface
write settings such
as the message
number.
Interface Message
Request Bit (bit 00
of n).
Message Send
Completed Flag goes ON
when the interface
message has been sent.
write settings such
as the message
number.
Interface Message
Request Bit (bit 00
of n).
Message Send
Completed Flag goes ON
when the interface
message has been sent.
write settings such
as the message
number.
Interface Message
Request Bit (bit 00
of n).
Message Send
Completed Flag
goes ON when the
interface message
has been sent.
Interface
Message Sent
IOWR
ON) the Send Interface Message Request Bit (bit 00 of
Turned ON by
ladder program.
Write the interface
message number.
Controller
(Master mode)
GP-IB Interface
Unit
Controller
(Master mode)
GP-IB Interface
Unit
GP-IB Interface
Unit
Controller
(Master mode)
n = CIO 2000 + (10
Buffer
memory
Turned ON
by Unit.
Buffer
memory
Buffer
memory
Turned OFF by
ladder program.
3. The interface
3. The interface
3. The interface
message is
sent to the GP-
IB bus
message is
sent to the GP-
IB bus
message is sent
to the GP-IB bus.
Turned OFF
by Unit.
unit number)
GP-IB
Device
GP-IB
Device
GP-IB
Device
Section 5-1
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