Table 4-2. Signal-Name Descriptions

Mnemonic

+S - S

SA_EN*

SD SDB SKP SLEW SLW1,SLW2,SLW3,SLW4

SPCLR*

SPROG

SRX

START

STAT_EN

STB*

STOP

STX

S0, S1, S2

TEMP1

TMONR

TOGGLE*

TRANS_EN

TRIG

TRIG_EN*

UNREG*

UXFER

VMON

VMON*

VMONR

VREF

X

-10V_REF

+15V -15V

+ 12V_REF

Function

CONTROL BOARD

Remote + sense (A) from rear-panel + S Remote - sense (A) from rear-panel - S Secondary ∝P SA enable (D) from TP301-1 Secondary ∝P data bus (D)

Secondary ∝P data bus, buffered (D) Skip self-test (D) from TP301-5 Programming-voltage input to slew circuit (A) Slew-rate control signals (D)

Secondary-circuit power-on clear (D)

(not used)

Secondary-∝P receiver (D) Secondary-∝P SA start signal (D) Enable status latch (D)

Enable chip-select decoder (D) Secondary-∝P SA stop signal (D) Secondary-∝P transmitter (D) Chip-select-decoder input (D) Power-board temperature (A) Temperature-monitor-comparator output (D) Toggle mode select (D)

Transient-generator clear and enable (D)

Secondary-∝P SA start/stop (D) Trigger (D)

Main and transient DACs trigger enable (D) Unregulated-input status (D)

Main and transient DACs transfer control (D) Voltage-monitor output (A) to rear-panel A2 Input-voltage monitor signal (A) to rear panel A2 CR-mode middle-&-high-range DAC Ref (A) Voltage-monitor-comparator output (D)

Voltage reference for DACs (A)

(not used)

DAC reference for CV and CC modes (A)

To power board (A) To power board (A)

Ref for readback DAC & main DAC self-test (A)

Sheet 1

Sheet 2

 

1C

1C, 7D

1C

 

1B, 6D

 

5B

4C, 5A

8C,8B,

 

8C,7C,

 

5C

 

lB,7D,6D,

8D

5D

2D

8D

 

1B

 

4D, 3D

 

7C, 2D

 

1B

 

8D, 1B

 

7C, 2D

5A

 

6D

4A

6B

4A

4D, 8B,

 

7B

 

4D, 1B

 

6A

8C

4D

8D

3D

 

7C

8D

 

1C, 1C

 

3C, 6A

 

5D

6D

4A

 

6D, 8B,

3D

5C

2B, 4D,

 

 

6A

 

1A, 5B,

 

7B, 5D,

 

2B

Sheet 3

2C

2C

2D,2A

2C

5B

5A

2C

5B

2A

2A

5D, 2B

5C, 2B

2B

(A) = analog signal

(D) = digital signal

8C = signal origin

33

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Agilent Technologies 60502B, 60501B service manual Mnemonic, Sheet 1C, 7D 1B, 6D, 8C,8B

60501B, 60502B specifications

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