Masters and Slaves
Section 4-1
47
Switches
TEST
Pressed to test the transmission line when the PC is in PROGRAM mode. Test
is repeatedly performed while button is held down. This switch is also pressed
to clear transmission errors.
CONTINUE/STOP
Used to select whether or not transmission is to be STOP continued for trans-
mission errors or I/O bus errors at Slaves.
STOP
CONTINUE
This switch is used to set either CONTINUE or STOP mode to designate re-
sponse to transmission errors. When a transmission error occurs, data trans-
mission to Slaves will continue in CONTINUE mode and stop in STOP mode.
Transmission errors for Masters include BCC errors, no-Slave-response er-
rors, and transmission line check errors.
CONTINUE
Communications with Slaves continued for transmission er-
rors. Normal operation continued after error cleared.
STOP
Communications with Slaves discontinued for transmission
errors. Refer to Section 5 Error Processing for recovery proce-
dure.
CONTINUE/STOP Switch