Mitsubishi Electric MELSEC iQ-R Series User Manual page 428

Serial communication module
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Item
Half-duplex
Simultaneous transmission priority/non-
communication
priority designation
control
specification
Retransmission time transmission
method designation
Data
No-reception monitoring time (timer 0)
communication
designation
time monitoring
specification
Response monitoring time (timer 1)
designation
Send monitoring time (timer 2)
designation
Send wait time
Transmission wait time designation
specification
Send/receive data
Send/receive data monitoring designation
monitoring function
specification
Stop at buffer full specification
0 timer error outbreak stop designation
Monitor buffer start address designation
Monitor buffer size designation
On-demand
Buffer memory start address designation
function
specification
Data length designation
Send area
Send buffer memory start address
specification
designation
Send buffer memory size specification
26 PARAMETER SETTING
426
26.2 Module Parameters
Description
Sets whether the transmission from C24 is continued or
discontinued when C24 and a target device stat data
transmission at the same time.
0.0: Priority
0.1 to 25.5: Non-priority
(Transmission wait time : unit: s)
Sets whether the discontinued message is transmitted from
the beginning or it is transmitted from the part disconnected
when C24 restarts transmission following the
discontinuation at the time of simultaneous transmission.
Sets a monitoring time for the no-reception monitoring time
(timer 0).
0: Unlimited wait
40 to 4000: Monitoring designation
(Unit: byte)
Set a monitoring time for the response monitoring time
(timer 1).
0: Unlimited wait
0.1 to 300.0: Monitoring designation
(Unit: s)
Set the monitoring time for transmission monitoring time
(timer 2).
0: Unlimited wait
0.1 to 300.0: Monitoring designation
(Unit: s)
Set a wait time to transmit a response message to a
message received from a target device.
0: No wait time
10 to 150: Monitoring designation (multiples of ten)
(Unit: ms)
Set the start/stop communication data monitoring.
Sets whether the monitor is stopped when the monitor data
area is full (buffer full).
Set whether the monitor is stopped when the timer 0 error
occurs.
Set the start address of the storage area for the monitored
data.
Set a monitor data area size.
Set the start address of the buffer memory used with the on-
demand function.
Set a data length to be transmitted using the on-demand
function.
Set the start address of the area used as the send area.
Set the size of the area used as the send area.
Setting range
0.0 to 25.5
(Default: 0.0: Priority)
• Do not resend
• Resend
(Default: Do not resend)
0, 40 to 4000
(Default: 0: Unlimited wait)
0, 0.1 to 300.0
(Default: 0.5)
0, 0.1 to 300.0
(Default: 180.0)
0, 10 to 150 (multiples of ten)
(Default: 0: No wait time)
• No monitor/stop instruction
• Monitor start instruction
(Default: No monitor/stop
instruction)
• OFF
• ON
(Default: OFF)
• OFF
• ON
(Default: OFF)
1024 to 6909 (400H to
1AFDH),
9728 to 16381 (2600H to
3FFDH)
(Default (CH1): 9728
(2600H))
(Default (CH2): 13056
(3300H))
3 to 6656 (3H to 1A00H)
(Default: 3328(D00H))
1024 to 6911 (400H to
1AFFH),
9728 to 16383 (2600H to
3FFFH)
(Default (CH1): 1024 (400H))
(Default (CH2): 2048 (800H))
0 to 13312 (0H to 3400H)
(Default: 0 (0H))
1024 to 6911 (400H to
1AFFH),
9728 to 16383 (2600H to
3FFFH)
(Default (CH1): 1024 (400H))
(Default (CH2): 2048 (800H))
1 to 6656 (1H to 1A00H)
(Default: 512 (200H))

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