Agilent Technologies 6031A, 6035A, 6032A, 6030A Control Board Test Connector, A2J7, Vdc

Table 3-9. Control Board Test Connector, A2J7

PIN NO.			SIGNAL NAME	Vdc	WAVEFORM/CONDITIONS	SOURCE
Digital-Circuits Bias & Reference Voltages
24	+5V			5.0		A2Q9 (emitter)
22	+ 20V(5V UNREG)			20.0	with 120Hz & 45KHz ripple	AlCR6, AlCR7
14	2.5V ref			2.50		A2U7 (OUT)
6	0.5V ref			0.50		A2R24,A2R84, A2R85
Analog-Circuits Bias Voltages
2	+ 15V			15.0		A2U11 (OUT)
21	-15V			-15.0		A2U12 (OUT )
Status Signals
17				TTL Lo	if in CV operation	A2Q2 (collector)
		CV
16				TTL Lo	if in CC operation	A2Q1 (collector)
		CC
13				TTL Hi	if not OVP shutdown	A2U15-13
		OV
11				TTL Hi	if ac mains okay	A2U15-10
		AC FAULT
12				TTL Hi	if not overtemp shutdown	A4TS1,A5TS1
		OT
Control Signals
25	PWM OFF				10∝s TTL pulses, 20KHz	A2U16-5
26	PWM ON				1.7∝s TTL pulses, 20KHz	A2U15-1
18	Ip MONITOR				1V pk, ½ sawtooth, 20KHz	A2CR27 (cathode)
					(at full power only)
8				TTL Hi	if not remotely inhibited	A2U18-9
	INHIBIT
15				1.2-3.0	while not down programming	A2CR17, CR31(anode)
		DOWN PROGRAM
7	OVP PROGRAM			1/100 OVP (6030A)	e.g.: 2 Vdc if OVP set to full
				1/10 OVP (6031A)	voltage output	A3R72 (wiper)
				1/30 OVP (6032A)
				1/250 OVP (6035A)
5				+5V	inverted OV reset line	A8U4-35
		OV CLEAR
19				+5V	if +5V bias OK	A2Q11-4
	PCLR
Commons & Current-Monitor
4	COMMON			0.0	return for all bias voltages,
					status and control signals
9	COMMON			0.0	return for 2.5V and 0.5V ref
10	I-TEST			≈0.013*I0UT(6030A/35A).	inboard-side monitoring res	A1R11,A1T2
				≈0.0017* IOUT (6031A)		(AlR13 (6032A))
				≈0.0037* IOUT (6032A)
3	V-MON-BUF			V-OUT/4 (6031A)	buffered V-MON for readback	A8U25-6
				V-OUT/12 (6032A)
				V-OUT/40 (6030A)
20	Ip-SET			V-OUT/100 (6035A)		A2R25 wiper
				≈0.9

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