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1.1.5 Communicating signals between D75P2 and each module
The outline of the signal communication between the D75P2 and PLC CPU, peripheral
device and drive unit, etc., is shown below.
RX(n+7)B
RXnD, RXnE
RY(n+1)0,
RY(n+1)1
RXn7, RXn8
RXn0
RY(n+1)6,
RY(n+1)8
RY(n+1)7,
RY(n+1)9
RXn4, RXn5
RXn1, RXn2
RY(n+1)3,
RY(n+1)4
RXnA, RXnB
Data write/read
Error detection signal
Master module
D75P2
Remote station READY signal
D75P2 READY signal
Interface with
master module
External
interface
Drive unit READY signal
Drive unit
Upper/lower limit signal
Near-point dog signal
Zero point signal
Forward run JOG start signal
Reverse run JOG start signal
Deviation counter clear
Pulse train
Positioning start signal
Positioning complete signal
BUSY signal
Start complete signal
Axis stop signal
M code ON signal
Manual pulse generator A-phase
Manual pulse generator B-phase
External
signal
External
signal
Manual pulse
generator
Speed/position changeover signal
Stop signal
External start signal
Peripheral
device
interface
Peripheral
device
Parameter write/read
Positioning data write/read
Positioning start information
write/read
Zero point return operation
(test)
JOG operation (test)
Positioning operation (test)
Operation monitor
PLC CPU
Write/read
D75P2 Master module
The D75P2 and Master module communicate the following data via the base unit.
Direction
Communication
D75P2
Master module Master module D75P2
Control signal *
Signal indicating D75P2 state, such as
D75P2 READY signal, BUSY signal.
Signal related to commands such as
various start signals, stop signals, etc.
Data (read/write)
Parameter, positioning data, positioning
start information, monitor data, control data
Parameter, positioning data, positioning
start information, control data
* Refer to the section "3.4 Specifications of input/output signals with master module" for details.