FANUC Power Mate i-MODEL H CONNECTION MANUAL (HARDWARE)

NOTE
(*1) The signal is turned on and off as follows:
10. CONNECTION TO PERIPHERALS
B63173EN/03
372
(2)RS232C interface signals
Signal
name
RS232C
circuit number
Input/output Description
SD 103 Output Send data
12345678
ON
OFF
Start bit
Stop bit
(The ISO code for 0 is sent)
RD 104 Input Receive data
12345678
ON
OFF
Start bit
Stop bit
(The ISO code for 0 is sent)
RS 105 Output Request to send
This signal is turned on when data output from the NC machine is started;
it is turned off when data output from the NC machine is terminated.
CS 106 Input Ready for sending
When this signal and the DR signal are on, data can be output from the NC
machine. If the I/O device is not ready in time, for example, for punchout
operation, this signal, when turned off, causes the NC machine to stop data
transmission after sending a maximum of two characters including
characters currently being transmitted. When this signal is not used, be
sure to connect this signal to the RS signal on the NC.
DR 107 Input Data set ready
When this signal is no, the I/O device is ready. Generally, this signal is
connected with a signal for indicating the poweron state(*1) of the I/O
device (ER signal on the I/O device side). The NC sends data when this
signal is on. If this signal is turned off during data transmission, alarm
No.086 occurs. When this signal is not used, be sure to connect this signal
to the ER signal on the NC.
ER 108.2 Output NC equipment ready
When this signal is on, the NC machine is ready for operation. An I/O
device regards the SD signal sent while the ER signal is on, as valid
information.
CD 109 Input Signal quality detect
This signal is not used for connection with an I/O device. Be sure to
connect this signal with the ER signal on the NC in the cable.
SG 102 Signal ground
FG 101 Frame ground
3V or lower +3V or higher
Function OFF ON
Signal Condition Marking Spacing
(3)RS232C interface transmission system
(a) Startstop system
In general, two systems can be used for serial interface
transmission: the startstop system and synchronous system. With
Power Mate the startstop system is used.
Startstop system: Information bits are transmitted preceded by
a start signal and followed by a stop signal.

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