52
To restore the output back to On, first set the voltage level to high (5V), then press and
hold the ENTER key for 2 seconds.
Figure 55 - Remote Inhibit Timing Diagram
12.6
Tx / Rx
Pin 11 (Tx) and pin 23 (Rx) (reference ground is DGND) are the send and receive lines of the
RS232 interface. Open System → Comm → Select RS232 and activate the transmission
function in Comm.
Settings
Value
Baud
19200
Data bits
8
Parity
None
Stop bits
0
Flow control None
Table 20 - RS232 Settings
The RS232 interface does not support flow control. The programmer should be
aware of this limitation and pay attention to the Instrument command process
time. If the remote commands are sent too fast the internal buffer may overrun
and cause communication errors. Therefore, it is mandatory to add a delay
between commands so that the Instrument has sufficient time to process.
12.7
Event_SW
The Event_SW output can be used to control external devices. The Instrument uses a opto-
coupler with an NPN transistor output.
Event switch ratings
Voltage
- 6 to 60 V maximum
Current
50 mA maximum
Table 21 - Event Switch Power
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