diff options
| -rwxr-xr-x | bin/kaxxxxp-viewer | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/bin/kaxxxxp-viewer b/bin/kaxxxxp-viewer index 277fbb4..9eaf51d 100755 --- a/bin/kaxxxxp-viewer +++ b/bin/kaxxxxp-viewer @@ -193,6 +193,14 @@ class KA320: time.sleep(0.1) # assert self.get_status().over_current_protection_enabled == enable + def set_max_voltage(self, max_voltage): + self.ser.write(f"VSET{self.channel:d}:{max_voltage:05.2f}".encode()) + time.sleep(0.1) + + def set_max_current(self, max_current): + self.ser.write(f"ISET{self.channel:d}:{max_current:05.3f}".encode()) + time.sleep(0.1) + def get_max_voltage(self): return float(self.rw(f"VSET{self.channel:d}?".encode(), 5, True)) @@ -228,7 +236,17 @@ def graceful_exit(sig, frame): terminate_measurement = True -def measure_data(port, filename, duration, channel=1, ocp=False, ovp=False): +def measure_data( + port, + filename, + duration, + channel=1, + ocp=False, + ovp=False, + max_voltage=None, + max_current=None, + on_off=False, +): global terminate_measurement signal.signal(signal.SIGINT, graceful_exit) @@ -243,6 +261,19 @@ def measure_data(port, filename, duration, channel=1, ocp=False, ovp=False): else: output_handle = tempfile.TemporaryFile("w+") + if max_voltage or max_current: + # turn off output before setting current and voltage limits + print("Turning off outputs") + korad.set_output(False) + + if max_voltage: + print(f"Setting voltage limit to {max_voltage:5.2f} V") + korad.set_max_voltage(max_voltage) + + if max_current: + print(f"Setting current limit to {max_current:5.3f} A") + korad.set_max_current(max_current) + if ovp: print("Enabling over-voltage protection") korad.ovp(True) @@ -251,6 +282,10 @@ def measure_data(port, filename, duration, channel=1, ocp=False, ovp=False): print("Enabling over-current protection") korad.ocp(True) + if max_voltage or max_current or on_off: + print("Turning on outputs") + korad.set_output(True) + if duration: print(f"Logging data for {duration} seconds. Press Ctrl+C to stop early.") else: @@ -275,6 +310,10 @@ def measure_data(port, filename, duration, channel=1, ocp=False, ovp=False): if duration and ts - start_ts > duration: terminate_measurement = True + if on_off: + print("Turning off outputs") + korad.set_output(False) + korad.disconnect() output_handle.seek(0) @@ -390,6 +429,21 @@ def main(): help="Enable over-voltage protection", ) parser.add_argument( + "--voltage-limit", + type=float, + help="Set voltage limit", + ) + parser.add_argument( + "--current-limit", + type=float, + help="Set current limit", + ) + parser.add_argument( + "--on-off", + action="store_true", + help="Enable output after starting the measurement; disable it after stopping it", + ) + parser.add_argument( "--save", metavar="FILE", type=str, help="Save measurement data in FILE" ) parser.add_argument( @@ -438,6 +492,9 @@ def main(): channel=args.channel, ocp=args.over_current_protection, ovp=args.over_voltage_protection, + max_voltage=args.voltage_limit, + max_current=args.current_limit, + on_off=args.on_off, ) data = parse_data(log_data, skip=args.skip, limit=args.limit) |