6146/6156 DC Voltage/Current Generators Operation Manual
4.2.12 Self Test
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4.2.12 Self Test
The 6146/6156 can self-test internal operations by turning on the power, executing the remote command,
or manual operation.
1. The following table shows the self test items and output results.
Table 4-13 Self-test Items (1 of 2)
No. Display Error Code Description
Executing Method
Power ON *TST?
Key
Operation
1 004 ROM check SUM
2 001 RAM read/write
3 002 Display section ROM/RAM/communication
4 003 Calibration data check SUM
5 006 Parameter data check SUM
6 210 Communication between logic section and analog section
7 200 AD operation zero measurement
8 201 OVL detection check (LO_G)
9 203 Source reference voltage
10 204 Limiter reference voltage
11 212 Source HI DAC
12 213 Source LO DAC
13 215 Source DAC+ZERO
14 216 Source DAC+FS
15 217 Source DAC-ZERO
16 218 Source DAC-FS
17 226 Limiter DAC+ZERO
18 227 Limiter DAC+FS
19 228 Limiter DAC-ZERO
20 229 Limiter DAC-FS
21 230 +VL Zero
22 231 +VL FS
23 232 -VL Zero
24 233 -VL FS
25 236 +IL Zero
26 237 +IL FS
27 238 -IL Zero
28 239 -IL FS
29 240 Voltage source 30 mV+ZERO
30 241 Voltage source 30 mV+FS
31 242 Voltage source 30 mV-ZERO
32 243 Voltage source 30 mV-FS
33 244 Voltage source 300 mV+ZERO