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The Business of Science

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Serial Port Commands

Serial Port Commands

Serial Port Commands

Serial Port Commands    

The following serial port commands are provided: 
GetRev 
Returns

Returns

Returns

Returns: Revision $x.x  
 

    

Example

Example

Example

Example    

SEND

SEND

SEND

SEND    

$GetRev\r\n 

RECEIVE

RECEIVE

RECEIVE

RECEIVE    

$Revision 1.0\r\n 

 
GetTemp(channel)  - Returns the current temperature in K for the selected channel. 
Channel

Channel

Channel

Channel: 1 or 2 
Returns

Returns

Returns

Returns:$xxx.x or “OOR” if out of range. 
 

Example (Get Channel 2 Temp)

Example (Get Channel 2 Temp)

Example (Get Channel 2 Temp)

Example (Get Channel 2 Temp)    
SEND

SEND

SEND

SEND    

$GetTemp 2\r\n 

RECEIVE

RECEIVE

RECEIVE

RECEIVE    

$21.6\r\n 

 
GetSetp (channel,relay) 
Channel

Channel

Channel

Channel: 0 or 1 (0-> Channel 1, 1-> Channel 2) 
Relay

Relay

Relay

Relay: 0, 1, or 2.  0->LO, 1->HI, 2->SPARE 
Returns

Returns

Returns

Returns: $xxx (integer) 
 

Example (Get Channel 2 SPARE setpoint)

Example (Get Channel 2 SPARE setpoint)

Example (Get Channel 2 SPARE setpoint)

Example (Get Channel 2 SPARE setpoint)    
SEND

SEND

SEND

SEND    

$GetSetp 1,2\r\n 

RECEIVE

RECEIVE

RECEIVE

RECEIVE    

$280\r\n 

 
SetSetp(channel,relay,temp) 
Channel

Channel

Channel

Channel: 0 or 1 (0-> Channel 1, 1-> Channel 2) 
R

R

R

Relay

elay

elay

elay: 0, 1, or 2.  0->LO, 1->HI, 2->SPARE 

Temp

Temp

Temp

Temp: xxx (integer, no decimal point) 
Returns

Returns

Returns

Returns: $xxx\r\n (returns the new value stored) 
 

Example (Set Channel 1 LOW setpoint to 12K)

Example (Set Channel 1 LOW setpoint to 12K)

Example (Set Channel 1 LOW setpoint to 12K)

Example (Set Channel 1 LOW setpoint to 12K)    
SEND

SEND

SEND

SEND    

$SetSetp 0,0,12\r\n 

RECEIVE

RECEIVE

RECEIVE

RECEIVE    

$12\r\n 

 
 
 
 
 
 

Summary of Contents for E1000

Page 1: ...Airport Commerce Blvd Bld 1 Suite 175 Austin TX 78741 USA Sales 800 611 8871 Support 800 404 1055 cryo sales oxinst com support oxinst com www oxford instruments com The Business of Science E1000 Dual Temperature Controller Users Manual ...

Page 2: ...e basis for manufacture or sale of any items or for infringements of patents or other rights of third parties These documents are the property of Oxford Instruments Austin Inc and by furnishing this information Oxford Instruments Austin Inc grants no license expressed or implied under any patents copyrights trademarks trade secrets or other intellectual property rights of Oxford Instruments Austin...

Page 3: ... Port Interface 10 Serial Port Cable 10 Serial Port Protocol 10 Serial Port Commands 11 E1000 Curve Programmer 13 Order Information 15 Revision History Revision History Revision History Revision History Document Number 97 00041 002 Date Date Date Date Revision Revision Revision Revision Description of Change Description of Change Description of Change Description of Change December 2012 1 0 2 Upda...

Page 4: ... and provides a visual display of the temperature on a backlit LCD module The intended applications of the E1000 include controlling two separate cryopumps or cryocoolers simultaneously by using one diode channel for each coldhead The E1000 also has the unique capability to control the temperature of a water pump to a user specified temperature from90 to 130K While in the Water pump mode the coldh...

Page 5: ...nect temperature sensor according to the following pin out Pin 1 Shield GND Pin 2 No Connect NC Pin 3 NC Pin 4 Diode Sensor 1 Positive Pin 5 Diode Sensor 1 Negative Pin 6 7 NC Pin 8 Diode Sensor 2 Positive Pin 9 Diode Sensor 2 Negative 1 2 4 D sub 9 Male RS 232 Serial Port Provides serial interface to a remote serial device The serial port is intended to be used with a standard straight through se...

Page 6: ... to the user set temperatures In the Cryopump mode power will be supplied at all times to the coldhead unless the manual mode is selected To change the Mode of the E1000 the power switch must be turned off and back on after changing the positioni of the switch 7 Compressor Power in Input drive power from the compressor Requires special drive cable 8 Compressor Power Out Power out to drive and addi...

Page 7: ...tom Row Bottom Row Relay Position Relay Position Relay Position Relay Position Pin 1 Normally Open Pin 2 Common Pin 3 Channel 1 Low Relay Channel 2 Low Relay Normally Closed Pin 4 Normally Open Pin 5 Common Pin 6 Channel 1 High Relay Channel 2 High Relay Normally Closed Pin 7 Normally Open Pin 8 Common Pin 9 Channel 1 Spare Relay Channel 2 Spare Relay Normally Closed The dual row connector provide...

Page 8: ... temperature use the following formula Temperature Kelvin 35 Analog Output Voltage in Volts Temperature Kelvin 35 Analog Output Voltage in Volts Temperature Kelvin 35 Analog Output Voltage in Volts Temperature Kelvin 35 Analog Output Voltage in Volts This formula provides a maximum range of 0 350 0 K The pinout also shown on the back panel of the unit is as follows Analog Output Pinout Pin 1 left ...

Page 9: ...Configuration Manual Auto Configuration The user can manually control the operation of the coldhead by selecting the CH1 or CH2 switch from the front panel Pushing the cold head switch causes the respective cold head to switch off It the switch is pushed again the cold head is switched on The manual mode will override the water pump control mode To place the E1000 back into auto mode use the menu ...

Page 10: ... The user can select the diode curve which corresponds to the temperature diode sensor connected to the E1000 To select a diode curve 1 Press the MENU MENU MENU MENU button 2 Scroll through the standard diode options by pressing the UP UP UP UP and DOWN DOWN DOWN DOWN buttons 3 When the appropriate diode curve has been selected press MENU MENU MENU MENU E1000 supports the following standard temper...

Page 11: ...NU MENU button twice The first relay is Channel 1 LO Channel 1 LO Channel 1 LO Channel 1 LO When the temperature is below this value the relay is in the Active position The temperature value is modified by pressing U U U UP P P P or DOWN DOWN DOWN DOWN for each digit Once the digit has been set press ENTER ENTER ENTER ENTER to move to the next digit 2 Press the MENU MENU MENU MENU button to config...

Page 12: ...to move to the Channel 2 Low Temperature Setpoint Note that the cursor is on the HUNDREDS digit Press ENTER to move to the TENS digit The cursor is now on the TENS digit so press ENTER again to move to the ONES digit Once the cursor is on the ONES digit use the UP DOWN keys to increment the value under the desired value of 12K is reached After the value has been set either press MENU until the Mai...

Page 13: ...male to E1000 DB9 to Controller DB9 to Controller DB9 to Controller DB9 to Controller 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 Serial Port Protocol Serial Port Protocol Serial Port Protocol Serial Port Protocol All commands start with and end with r n The serial port should be configured as shown...

Page 14: ...el relay Channel Channel Channel Channel 0 or 1 0 Channel 1 1 Channel 2 Relay Relay Relay Relay 0 1 or 2 0 LO 1 HI 2 SPARE Returns Returns Returns Returns xxx integer Example Get Channel 2 SPARE setpoint Example Get Channel 2 SPARE setpoint Example Get Channel 2 SPARE setpoint Example Get Channel 2 SPARE setpoint SEND SEND SEND SEND GetSetp 1 2 r n RECEIVE RECEIVE RECEIVE RECEIVE 280 r n SetSetp c...

Page 15: ...D SetColdhead 0 1 r n RECEIVE RECEIVE RECEIVE RECEIVE 0 or 1 r n GetColdhead x where x is the Coldhead number and it returns 0 1 for OFF ON Channel Channel Channel Channel 0 or 1 Returns Returns Returns Returns 0 or 1 0 1 for OFF ON Example Get The status of th Example Get The status of th Example Get The status of th Example Get The status of the coldead e coldead e coldead e coldead SEND SEND SE...

Page 16: ...mum flexibility Once the values have been chosen the fields shown below should be populated Set the 2 voltages values that determine the boundaries of the 3 equations Set all coefficient values for all 3 equations Please ensure that each text box is populated Begin by pressing Get Values at the bottom of the screen This will ensure that communications are established If successful the Monitor Revi...

Page 17: ...9M Serial Connector DB9M Serial Connector DB9M Serial Connector DB9M Serial Connector Carry AC Current Carry AC Current Carry AC Current Carry AC Current 10 A 250 VAC 10 A 250 VAC 10 A 250 VAC 10 A 250 VAC Carry DC Current Carry DC Current Carry DC Current Carry DC Current 5 A 30 VDC 5 A 30 VDC 5 A 30 VDC 5 A 30 VDC Max Switching Voltage Max Switching Voltage Max Switching Voltage Max Switching Vo...

Page 18: ...000 E1000 includes connections for dry contacts analog output and power cable Order diode cable s separately per desired configuration see below 99 00101 000 19 Rack Mount Kit 10 00001 000 E1000 Curve Programmer to program custom diode curve Configuration Configuration Configuration Configuration Cables Cables Cables Cables 10 Ft 10 Ft 10 Ft 10 Ft 15 Ft 15 Ft 15 Ft 15 Ft 20Ft 20Ft 20Ft 20Ft 50 FT ...

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