Keithley Series 2200 User manual

!
1!
Series&2200&Multi-Channel&Power&Supplies&
&Quick&Start&Front&Panel&and&Programming&Operation&Guide&
!
Introduction*
!
This!operating!guide!describes!front!panel!operation!and!corresponding!SCPI!command!code!to!perform!
essential!functions!of!the!model!2230=30=1!Triple!Channel!Power!Supply!and!the!model!2220=30=1!Dual!
Channel!Power!Supply.!!References!to!the!third!channel!specifically!apply!to!the!model!2230=30=1!triple!
channel!power!supply.!
*
!
Single*Channel*Operation*
!
The!series!2200!multi=channel!power!supplies!have!all!channels!enabled!in!their!default!state.!!However,!
any!channel!can!be!disabled!and!enabled!independently.!!The!following!example!demonstrates!the!steps!
to!enable!and!output!a!voltage!on!channel!2.!
!
Front!Panel!Operation!
STEP%1%Enabling%Channel%2%
1. Press!Menu.!
2. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Enable!Channels.!
3. Press!Enter!to!enter!the!submenu.!
4. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Enable/Disable!CH2.!
5. Press!Enter!to!enter!the!submenu.!
6. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Enable!CH2!(default).!
7. Press!Enter!to!enable!channel!2.!
8. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
STEP%2%Setting%the%Output%Voltage%on%Channel%2%
9. Press!CH2.!
10. Press!V=Set.!
11. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!desired!voltage!
output!value.!If!using!the!arrow!keys!or!the!navigation!wheel,!use!the!left!arrow!key!to!highlight!
the!digit!that!represents!the!resolution!for!adjustments.!
12. Press!Enter!to!set!the!voltage.!
STEP%3%Setting%the%Current%Limit%on%Channel%2%
13. Press!I=Set.!
14. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!current!limit.!If!using!
the!arrow!keys!or!the!navigation!wheel,!use!the!left!arrow!key!to!highlight!the!digit!that!
represents!the!resolution!for!adjustments.!
15. Press!Enter!to!set!the!current.!!

!
2!
STEP%4%Turning%on%the%Output%
16. Press!Output!On/Off!to!turn!on!the!output.!
!
Remote!Operation!
!
The!following!SCPI!command!example!enables!channel!2,!sets!the!voltage!output!to!2.22V,!the!current!
limit!to!1.5A!and!turns!the!output!on.!
!
INST:SEL(CH2(
SOURCE:OUTP:ENAB(ON(
SOURCE:VOLT(2.22V(
SOURCE:CURR(1.5A(
SOURCE:OUTP(ON(
!
Combining*Channels*1*and*2*in*Series*to*Output*More*than*30V*
!
The!series!2200!multi=channel!power!supplies!have!all!channels!isolated!in!their!default!state.!!However,!
channel!1!and!channel!2!can!be!combined!in!series!to!output!a!higher!total!voltage.!!The!following!
example!demonstrates!the!steps!to!enable!and!output!a!combined!voltage!from!channel!1!and!2.!
!
Front!Panel!Operation!
STEP%1%Configure%the%Instrument%to%Series%Combination%
1. Press!Menu.!
2. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Combine!CH1+CH2.!
3. Press!Enter!to!enter!the!submenu.!
4. Use!the!arrow!keys!or!the!navigation!wheel!to!select!V1+V2!Series.!
5. Press!Enter!to!set!to!series!combination.!!!See!an!example!of!a!series!combination!front!panel!
display!below.!
!
!
STEP%2%Setting%the%Voltage%Output%and%the%Current%Limit%
6. Press!CH1.!!
7. Press!V=Set.!
8. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!voltage!output.!
9. Press!Enter!to!set!the!voltage!of!the!combined!channels.!
10. Press!I=Set.!
11. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!current!limit.!
12. Press!Enter!to!set!the!current!of!the!combined!channel.!
STEP%3%Turning%on%the%Output%
13. Press!Output!On/Off!to!turn!on!the!output.!

!
3!
!
Remote!Operation!
!
The!following!SCPI!command!example!configures!the!power!supply!for!the!series!combination!mode,!
sets!the!voltage!output!to!36V,!the!current!limit!to!1.5A!and!turns!the!output!on.!
!
*RST(
INST:COM:SER(
SOURCE:VOLT(36V(
SOURCE:CURR(1.5A(
SOURCE:OUTP(ON(
(
Wiring!Channels!1!and!2!in!Series!to!the!DUT!
!
Connect!two!wires!from!either!the!front!panel!binding!posts!or!the!rear!panel!terminals,!as!shown!in!
Figure!1!below,!to!your!device!under!test!(DUT).!!The!SENSE!lines!are!optional!(rear!panel!only)!and!are!
used!in!a!remote!sense!connection.!
DUT
0-30V 0-30V 0-6V
H
L
VDUT
+
-
IDUT
FRONT PANEL
!
DUT
H L
VDUT
+ -
IDUT
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 1
O
u
t
S
e
n
s
e
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 2
O
u
t
S
e
n
e
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 3
O
u
t
S
e
n
s
e
REAR PANEL
SOURCE HIGH
SOURCE LOW
SENSE HIGH
SENSE LOW
!
Figure!1!Connecting!a!Device!in!Series!Combination!on!the!Front!Panel!and!the!Rear!Panel!
!
Combining*Channels*1*and*2*in*Parallel*to*Output*More*than*1.5A*
!
The!series!2200!multi=channel!power!supplies!have!all!channels!isolated!in!their!default!state.!!However,!
channel!1!and!channel!2!can!be!combined!in!parallel!to!output!a!higher!total!current.!!The!following!
example!demonstrates!the!steps!to!enable!and!output!a!combined!current!from!channel!1!and!2.!
!
Front!Panel!Operation!
STEP%1%Configure%the%Instrument%to%Parallel%Combination%
1. Press!Menu.!
2. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Combine!CH1+CH2.!
3. Press!Enter!to!enter!the!submenu.!
4. Use!the!arrow!keys!or!the!navigation!wheel!to!select!I1+I2!Parallel.!

!
4!
5. Press!Enter!to!set!to!parallel!combination.!!!See!an!example!of!a!parallel!combination!front!panel!
display!below.!
!
!
STEP%2%Setting%the%Voltage%Output%and%the%Current%Limit%
6. Press!CH1.!!
7. Press!V=Set.!
8. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!voltage!output.!
9. Press!Enter!to!set!the!voltage!of!the!combined!channel.!
10. Press!I=Set.!
11. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!current!limit.!
12. Press!Enter!to!set!the!current!of!the!combined!channel.!
STEP%3%Turning%on%the%Output%
13. Press!Output!On/Off.!
!
Remote!Operation!
!
The!following!SCPI!command!example!configures!the!power!supply!for!the!parallel!combination!mode,!
sets!the!voltage!output!to!30V,!the!current!limit!to!2.9A!and!turns!the!output!on.!
!
*RST(
INST:COM:PARA(
SOURCE:VOLT(30V(
SOURCE:CURR(2.9A(
SOURCE:OUTP(ON(
!
Wiring!Channels!1!and!2!in!Parallel!to!the!DUT!
!
Connect!two!wires!from!either!the!front!panel!binding!posts!or!the!rear!panel!terminals,!as!shown!in!
Figure!2!below,!to!your!DUT.!!The!SENSE!lines!are!optional!(rear!panel!only)!and!are!used!in!a!remote!
sense!connection.!
!

!
5!
DUT
0-30V 0-30V 0-6V
H
L
VDUT
+
-
IDUT
FRONT PANEL
DUT
H L
VDUT
+ -
IDUT
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 1
O
u
t
S
e
n
s
e
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 2
O
u
t
S
e
n
s
e
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 3
O
u
t
S
e
n
s
e
REAR PANEL
SOURCE HIGH
SOURCE LOW
SENSE HIGH
SENSE LOW
!
Figure!2!Connecting!a!Device!in!Parallel!Combination!on!the!Front!Panel!and!the!Rear!Panel!
!
Track*Mode*–*Changing*the*Channel*1*and*2*Voltages*at*the*Same*Time*
!
The!series!2200!multi=channel!power!supplies!offer!a!track!mode!feature!that!allows!channel!1!and!2!
voltages!to!maintain!a!desired!ratio!whenever!channel!1!or!channel!2!voltages!are!modified.!!The!
following!example!demonstrates!the!steps!to!enable!track!mode!operation.!
!
Front!Panel!Operation!
STEP%1%Configure%CH1%and%CH2%voltages%to%the%desired%ratio%
1. Press!CH1.!!
2. Press!V=Set.!
3. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!voltage!output!(e.g.!
10V).!
4. Press!Enter!to!set!the!voltage!of!the!combined!channel.!
5. Press!I=Set.!
6. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!current!limit!(e.g.!1.5A).!
7. Press!Enter!to!set!the!current!of!the!combined!channel.!
8. Press!CH2.!!
9. Press!V=Set.!
10. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!voltage!output!based!on!
a!ratio!for!the!desired!change!between!the!channels.!Set!channel!1!and!2!voltages!to!the!same!
value!so!that!both!channel!voltages!change!by!the!same!amount!(e.g.!set!channel!2!to!10V).!To!
have!channel!2!change!by!½!of!the!voltage!change!of!channel!1,!set!the!channel!2!voltage!to!½!
the!voltage!of!channel!1!(e.g.!5V).!
11. Press!Enter!to!set!the!voltage!of!the!channel!2.!
12. Press!I=Set.!
13. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!current!limit!(e.g.!1.5A).!
14. Press!Enter!to!set!the!current!of!channel!2.!

!
6!
STEP%2%Configure%the%Instrument%Track%Mode%
15. Press!Menu.!
16. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Track!CH1/CH2.!
17. Press!Enter!to!enter!the!submenu.!
18. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Track!On.!
19. Press!Enter!to!activate!the!track!mode.!!!See!an!example!of!track!mode!front!display!below.!
!
!
STEP%3%Turning%on%the%Output%
20. Press!Output!On/Off!to!turn!on!the!output.!!Now!varying!the!voltage!on!channel!1!or!the!
channel!2!voltage!will!change!the!other!channel!by!the!desired!ratio.!
!
Remote!Operation!
!
The!following!SCPI!command!example!sets!CH1!voltage!output!to!10V,!the!current!limit!to!1.5A,!!CH2!
voltage!output!to!track!half!of!CH1’s!value,!or!5V,!the!current!limit!to!1.5A,!enables!the!track!mode!and!
turns!the!output!on.!!
!
*RST(
INST:SEL(CH1(
SOURCE:VOLT(10V(
SOURCE:CURR(1.5A(
INST:SEL(CH2(
SOURCE:VOLT(5V(
SOURCE:CURR(1.5A(
INST:COM:TRAC(
SOURCE:OUTP(ON(
…(
<the(following(example(steps(CH1(voltages(from(
2V(to(10V(at(2V(increment.((Observe(CH2(
voltage(varying(from(1V(to(5Vat(1V(increment(
on(the(front(panel>(
INST:SEL(CH1(
SOURCE:VOLT(2V(
..<delay>(
SOURCE:VOLT(4V(
..<delay>(
SOURCE:VOLT(6V(
..<delay>(
SOURCE:VOLT(8V(
..<delay>(

!
7!
SOURCE:VOLT(10V(
..<delay>(
!
Connecting!a!Device!in!Track!Mode!to!Create!a!Bipolar!Supply!
!
Connect!two!wires!from!either!the!front!panel!binding!posts!or!the!rear!panel!terminals,!as!shown!in!
Figure!3!below,!to!your!DUT.!!The!SENSE!lines!are!optional!(rear!panel!only)!and!are!used!in!a!remote!
sense!connection.!
DUT
0-30V 0-30V 0-6V
+VDD
-VDD
IDUT
COM
FRONT PANEL
H L
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 1
O
u
t
S
e
n
s
e
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 2
O
u
t
S
e
n
s
e
+ - -+
O
u
t
S
e
n
s
e
CHANNEL 3
O
u
t
S
e
n
s
e
DUT
+VDD VDD-
COM
REAR PANEL
SOURCE HIGH
SOURCE LOW
SENSE HIGH
SENSE LOW
!
Figure!3!Connecting!a!Device!in!Track!Mode!on!the!Front!Panel!and!the!Rear!Panel!
!
Turning*On*Multiple*Channels*Sequentially*
!
The!Series!2200!multi=channel!power!supplies!have!all!channels!enabled!in!its!default!state.!!The!
following!example!demonstrates!the!steps!to!output!a!voltage!on!each!channel!sequentially,!CH1!(3V)!=>!
CH2!(9V)!=>!CH3!(5V),!and!to!turn!off!each!output!sequentially,!CH3=>CH2=>CH1.!!!This!example!assumes!
that!all!channels!are!disabled!on!a!2230=30=1.!
CH1
CH2
CH3
!
Front!Panel!Operation!
STEP%1%Configuring%the%Output%Voltages%and%Current%Limit%on%each%channel%
1. Press!CH1.!
2. Press!V=Set.!
3. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!desired!voltage!
output!value,!or!3V!in!this!example.!
4. Press!Enter!to!set!the!voltage.!
5. Press!I=Set.!
6. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!current!limit.!

!
8!
7. Press!Enter!to!set!the!current.!
8. Press!CH2.!
9. Press!V=Set.!
10. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!desired!voltage!
output!value,!or!9V!in!this!example.!
11. Press!Enter!to!set!the!voltage.!
12. Press!I=Set.!
13. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!current!limit.!
14. Press!Enter!to!set!the!current.!
15. Press!CH3.!
16. Press!V=Set.!
17. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!the!desired!voltage!
output!value,!or!5V!in!this!example.!
18. Press!Enter!to!set!the!voltage.!
19. Press!I=Set.!
20. Use!the!arrow!keys,!numeric!keypad,!or!the!navigation!wheel!to!enter!a!current!limit.!
21. Press!Enter!to!set!the!current.!
STEP%2%Enabling%Channel%1%
22. Press!Menu.!
23. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!Channels.!
24. Press!Enter!to!enter!the!submenu.!
25. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable/Disable!CH1.!
26. Press!Enter!to!enter!the!submenu.!
27. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!CH1!(default).!
28. Press!Enter!to!enable!channel!1.!
29. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
STEP%3%Turning%on%the%Output%
30. Press!Output!On/Off.!
STEP%4%Enabling%Channel%2%
31. Press!Menu.!
32. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!Channels.!
33. Press!Enter!to!enter!the!submenu.!
34. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable/Disable!CH2.!
35. Press!Enter!to!enter!the!submenu.!
36. Use!the!arrow!keys!or!the!navigation!wheel!to!select!Enable!CH2!(default).!
37. Press!Enter!to!enable!channel!2!and!output!channel!2’s!configured!voltage.!
38. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
STEP%5%Enabling%Channel%3%
39. Press!Menu.!
40. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!Channels.!
41. Press!Enter!to!enter!the!submenu.!
42. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable/Disable!CH3.!
43. Press!Enter!to!enter!the!submenu.!
44. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!CH3!(default).!

!
9!
45. Press!Enter!to!enable!channel!3!and!output!channel!3’s!configured!voltage.!
46. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
STEP%6%Disabling%Channel%3%
47. Press!Menu.!
48. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!Channels.!
49. Press!Enter!to!enter!the!submenu.!
50. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable/Disable!CH3.!
51. Press!Enter!to!enter!the!submenu.!
52. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Disable!CH3.!
53. Press!Enter!to!disable!channel!3!and!turn!off!channel!3’s!output!voltage.!
54. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
STEP%7%Disabling%Channel%2%
55. Press!Menu.!
56. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!Channels.!
57. Press!Enter!to!enter!the!submenu.!
58. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable/Disable!CH2.!
59. Press!Enter!to!enter!the!submenu.!
60. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Disable!CH2.!
61. Press!Enter!to!disable!channel!2!and!turn!off!channel!2’s!output!voltage.!
62. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
%
STEP%8%Disabling%Channel%1%
63. Press!Menu.!
64. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable!Channels.!
65. Press!Enter!to!enter!the!submenu.!
66. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Enable/Disable!CH1.!
67. Press!Enter!to!enter!the!submenu.!
68. Use!the!arrow!keys,!or!the!navigation!wheel!to!select!Disable!CH1.!
69. Press!Enter!to!disable!channel!1!and!turn!off!channel!1’s!output!voltage.!
70. Press!Esc!a!couple!of!times!to!return!to!the!main!display.!
!
Remote!Operation!
!
The!following!SCPI!command!example!assumes!that!all!channels!are!disabled.!!The!command!sequence!
sets!the!voltage!output!to!3V,!9V!and!5V!on!CH1,!CH2!and!CH3,!respectively,!sets!all!the!current!limits!to!
1.5A,!turns!the!output!on!sequentially!from!CH1!to!CH2!to!CH3!and!turns!off!each!output!from!CH3!to!
CH2!to!CH1.!
!
INST:SEL(CH1(
SOURCE:VOLT(3V(
SOURCE:CURR(1.5A(
INST:SEL(CH2(
SOURCE:VOLT(9V(
SOURCE:CURR(1.5A(

!
10!
INST:SEL(CH3(
SOURCE:VOLT(5V(
SOURCE:CURR(1.5A(
(
INST:SEL(CH1(
SOURCE:OUTP:ENAB(ON(
SOURCE:OUTP(ON(
..<insert(desired(amount(of(delay(between(channel(1(turn(on(and(channel(2(turn(on(using(
the(appropriate(command(syntax(of(the(programming(environment>…(
INST:SEL(CH2(
SOURCE:OUTP:ENAB(ON(
..<insert(desired(amount(of(delay(between(channel(2(turn(on(and(channel(3(turn(on(using(
the(appropriate(command(syntax(of(the(programming(environment>…(
INST:SEL(CH3(
SOURCE:OUTP:ENAB(ON(
…(
<perform(tests(on(the(load>(
…(
INST:SEL(CH3(
SOURCE:OUTP:ENAB(OFF(
..<insert(desired(amount(of(delay(between(channel(3(turn(off(and(channel(2(turn(off(
using(the(appropriate(command(syntax(of(the(programming(environment>…(
INST:SEL(CH2(
SOURCE:OUTP:ENAB(OFF(
..<insert(desired(amount(of(delay(between(channel(2(turn(off(and(channel(1(turn(off(
using(the(appropriate(command(syntax(of(the(programming(environment>…(
INST:SEL(CH1(
SOURCE:OUTP:ENAB(OFF(