Mitsubishi Electric MELSEC iQ-R Series User Manual page 501

■Class3/UCMM communication area (No.1) (Un\G7751680 to Un\G7753727)
This area stores communication requests and communication responses during Class3/UCMM communications.
: Set, : Do not set
Request area
Address Item
Un\G7751680 Communication method
specification
Un\G7751681 Communication method
specification
Un\G7751682 to System area
Un\G7751684
Un\G7751685 Service
Un\G7751686 to Target IP address
Un\G7751687
Un\G7751688 RPI
Un\G7751689 TimeOutMultiplier
Class3 UCMM Description
*1*2
 
Specify the communication method.
• 0001H: UCMM communications
• 0002H: Class3 communications
*1
 
Specify the communication method.
• 0001H: Message communications
• 0002H: Tag communications
*1
 
■Message communications
Specify the service code of the EtherNet/IP message
communications.
• Lower 8 bytes: Service code (0H to FFH)
• Upper 8 bytes: System area
Refer to the manuals of the EtherNet/IP device
except for the following.
• 000EH (Get_Attribute_Single): Obtains the set
value of the specified Attribute.
• 0010H (Set_Attribute_Single): Sets the value for
the specified Attribute.
■Tag communications
Specify the tag communication type.
• 124CH: Class3/UCMM Read Originator
• 124DH: Class3/UCMM Write Originator
*1
 
Set the IP address of the EtherNet/IP device to
which the request data is sent during Class3/UCMM
communications.
Setting range: 0.0.0.1 to 223.255.255.254
Specify the IP address from the first octet to the 4th
octet as follows.
• Lower byte of the No.1 word: Fourth octet
• Upper byte of the No.1 word: Third octet
• Lower type of the No.2 word: Second octet
• Upper byte of the No.2 word: First octet
*1
  Set Requested Packet Interval.
■0000H to 00C7H (0 to 199) (unit: ms)
• Class3: Operates with parameter setting or the
previous setting value.
• UCMM: When the trigger specification is set to
Cyclic, a response error occurs.
■00C8H to EA60H (200 to 60000) (unit: ms)
• Class3: Operation is performed with the set value.
• UCMM: When the trigger specification is set to
Cyclic, operation is performed with the set value.
■EA61H to FFFFH (60001 to 65535) (unit: ms)
• Class3: Operates with parameter setting or the
previous setting value.
• UCMM: When the trigger specification is set to
Cyclic, a response error occurs.
*1
  Set TimeOutMultiplier during Class3
communications.
• 0000H: 4
• 0001H: 8
• 0002H: 16
• 0003H: 32
• 0004H: 64
• 0005H: 128
• 0006H: 256
• 0007H: 512
• For other than the above: Operates with the
default value (32).
Initial value Read, write
• UCMM: 1 • Class3:
• Class3: 2 Read
• UCMM:
Read
• Class3: • Class3:
Parameter Read
followed • UCMM:
• UCMM: 0 Read, write
• Class3: • Class3:
Parameter Read
followed • UCMM:
• UCMM: 0 Read, write
• Class3: • Class3:
Parameter Read
followed • UCMM:
• UCMM: 0 Read, write
• Class3: • Class3:
Parameter Read, write
followed • UCMM:
• UCMM: 0 Read, write
• Class3: • Class3:
Parameter Read
followed • UCMM:
• UCMM: 0 Read
APPX
Appendix 3 Buffer Memory
A
499