88
7.3 Command transmission and reception
The diagram below shows a timing chart for command transmission and reception.
The gateway analyzes the request command and responds at every time when control and status data
exchange for all axes which are always performed are ended.
The PLC and gateway unit execute the following.
[1] The PLC application confirms zero of the response command, then sets the necessary request command
and data.
[2] The gateway detects that the request command became other than zero, then transmits the request data
to the applicable axis.
[3] The gateway receives a response from the applicable axis, then outputs the response result.
[4] The PLC application confirms the response result, then clears the request command.
[5] The gateway confirms that the request command is cleared, then clears the response command and waits
for the next command.
When using continuously, repeat [1] to [5].
PLC request output
Gateway response
Request
command data
Transmission and
reception for controller are
executed by gateway.
Request = 0000
H
Response command
response data
Response=0000
H
[1]
[2]
[3]
[4]
[5]
Summary of Contents for RCM-GW-CC
Page 1: ...IAI America Inc CC Link RCM GW CC Gateway Unit Operation ManualFirst Edition...
Page 4: ......
Page 10: ...6 1 5 How to identify model RCM GW CC Basic model For CC Link Gateway unit...
Page 12: ...8 2 2 External dimension drawing Mounting dimension...
Page 78: ...74...
Page 82: ...78 Position data measurement value Present position 1 2 3 4 4 5 6 7...
Page 84: ...80 Speed acceleration and deceleration set value Actuator speed Speed n2 Speed n3 1 2 3...
Page 88: ...84 Command position No Completion position No 1 2 3 4 5 6...
Page 91: ...87...
Page 93: ...89...
Page 125: ...121 No 3 Axis 1 pause No 3 Axis 1 pause lamp No 3 Axis 1 STP...
Page 130: ...126...
Page 131: ......
