From 66612f3a5fc66805375947cd810241ab51bb0565 Mon Sep 17 00:00:00 2001
From: unknown <asoalexandros@gmail.com>
Date: Thu, 24 Oct 2024 17:40:35 +0200
Subject: [PATCH] Keithley 224 control class
---
{TLM_messplatz => TLM_tool}/.gitkeep | 0
{TLM_messplatz => TLM_tool}/first.ipynb | 6 +-
TLM_tool/keithley224.py | 143 ++++++++++++++++++++++++
keitley244/keithley_first.ipynb | 2 +-
4 files changed, 147 insertions(+), 4 deletions(-)
rename {TLM_messplatz => TLM_tool}/.gitkeep (100%)
rename {TLM_messplatz => TLM_tool}/first.ipynb (96%)
create mode 100644 TLM_tool/keithley224.py
diff --git a/TLM_messplatz/.gitkeep b/TLM_tool/.gitkeep
similarity index 100%
rename from TLM_messplatz/.gitkeep
rename to TLM_tool/.gitkeep
diff --git a/TLM_messplatz/first.ipynb b/TLM_tool/first.ipynb
similarity index 96%
rename from TLM_messplatz/first.ipynb
rename to TLM_tool/first.ipynb
index 917ea0b..994d72f 100644
--- a/TLM_messplatz/first.ipynb
+++ b/TLM_tool/first.ipynb
@@ -131,7 +131,7 @@
],
"metadata": {
"kernelspec": {
- "display_name": "Python 3",
+ "display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
@@ -145,9 +145,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
- "version": "3.11.1"
+ "version": "3.12.0"
}
},
"nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
}
diff --git a/TLM_tool/keithley224.py b/TLM_tool/keithley224.py
new file mode 100644
index 0000000..1775e8e
--- /dev/null
+++ b/TLM_tool/keithley224.py
@@ -0,0 +1,143 @@
+import pyvisa
+
+class Keithley224(object):
+ """
+ Control Class for the Keithley 224
+ """
+ def __init__(self,address="GPIB0::15::INSTR"):
+ """
+ Parameters
+ ----------
+ address: The GPIBO address is to be found at the I/O monitor
+
+ Atrributes
+ ---------
+ rm: pyvisa resource manager to connect to instrument(s)
+ inst : an object to control the keithley 224
+
+ Help
+ ---
+ 1) Set instrument timeout to NONE to prevent disconnections
+ 2) Use control_ren for with the following codes for remote operation
+
+ VI_GPIB_REN_DEASSERT = 0
+ VI_GPIB_REN_ASSERT = 1
+ VI_GPIB_REN_DEASSERT_GTL = 2
+ VI_GPIB_REN_ASSERT_ADDRESS = 3
+ VI_GPIB_REN_ASSERT_LLO = 4
+ VI_GPIB_REN_ASSERT_ADDRESS_LLO = 5
+ VI_GPIB_REN_ADDRESS_GTL = 6
+
+ """
+ self.address = address
+ self.rm = pyvisa.ResourceManager()
+ self.inst = self.rm.open_resource(address)
+ self.inst.timeout = None
+ self.inst.control_ren(5) #local lockout blocks the tool
+
+ def display(self,number):
+ """
+ Change the front display panel
+
+ Parameters
+ ---------
+ number : 0-2
+
+ Help
+ ----
+ D0 = Source
+ D1 = Voltage limit
+ D2 = Dwell time
+ """
+ self.inst.write(f"D{number}X")
+
+
+ def set_operation(self,number):
+ """
+ Use this function for standby or operate mode
+
+ Parameters
+ ----------
+ Number:0(Standby) or 1(Operate)
+ """
+ self.inst.write(f"F{number}X")
+
+ def set_range(self,number):
+ """
+ Sets the tool range
+
+ Parameters
+ ---------
+ number:0 and 5-9
+
+ Ranges:
+ R0 = Auto Range (Force Most Significant number)
+ R5 = Full Scale: 20uA 2.0E-5
+ R6 = Full Scale: 200uA 2.0E-4
+ R7 = Full Scale: 2mA 2.0E-3
+ R8 = Full Scale: 20mA 2.0E-2
+ R9 = Full Scale : 101mA 1.01E-1
+ """
+ self.inst.write(f"R{number}X")
+
+ def set_current(self,value):
+ """
+ Sets the Current Source Output Value
+
+ Parameters:
+ value: float
+ min -101mA
+ max = 101mA
+ """
+
+ sci_value = "{:.4E}".format(value) #according to tool manual for current
+ self.inst.write(f"I{sci_value}X")
+
+ def set_voltage_limit(self,value):
+ """
+ Sets the Voltage Limit(Compliance)
+
+ Parameters
+ ---------
+ value: float
+ min: 1V
+ max : 105V
+ """
+ sci_value= "{:.2E}".format(value) #manual format for voltage
+ self.inst.write(f"V{sci_value}X")
+
+ def set_time(self,value):
+ """
+ Sets the Dwell Time
+
+ Parameters
+ ----------
+ value: float
+ limits: 50msec to 999msec (1msec steps)
+ """
+ sci_value = "{:.3E}".format(value) # manual format for dwell time
+ self.inst.write(f"W{sci_value}X")
+
+ def __del__(self):
+ """
+ Destructor: Disconnect Computer from Instrument
+ """
+ self.inst.control_ren(0) # Return to local Mode see codes above
+ self.inst.close()
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/keitley244/keithley_first.ipynb b/keitley244/keithley_first.ipynb
index e2820b6..73df83f 100644
--- a/keitley244/keithley_first.ipynb
+++ b/keitley244/keithley_first.ipynb
@@ -144,7 +144,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
- "version": "3.8.18"
+ "version": "3.12.0"
}
},
"nbformat": 4,
--
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