Troubleshooting
2-4
Table 2-2
R1_STB register control bits
Range and function
200mV-20V DC
10011111
200V, 1000V DC
10011111
200 µ A DC
00010111
2mA DC
00001111
20mA DC
00111111
200mA DC
01011111
2A DC
10011111
20 Ω 2-wire
10011111
200 Ω 2-wire
10011111
2k Ω 2-wire
10011111
20k Ω 2-wire
10011111
200k Ω 2-wire
10011111
2M Ω 2-wire
10011111
20M Ω 2-wire
10011111
200M Ω 2-wire
10011111
1G Ω 2-wire
10011111
20 Ω 4-wire
10011111
200 Ω 4-wire
10011111
2k Ω 4-wire
10011111
20k Ω 4-wire
10011111
200k Ω 4-wire
10011111
2M Ω 4-wire
10011111
200mV -750V AC
10011111
200 µ A AC
00010011
2mA AC
00001011
20mA AC
00111011
200mA AC
01011011
2A AC
10011011
*Bits associated with register IC terminals as follows:
Q
Q
Q
Q
Q
87654321
87654321
87654321
IC pins: Q8=11, Q7=12, Q6=13, Q5=14, Q4=7, Q3=6, Q2=5, Q1=4.
Register IC*
U224
U203
01110000
00000110
00000110
00000110
00000110
00000110
00000110
11110000
11110000
11110000
11110000
11110000
11110000
01110100
01110100
01110100
10100001
10100001
10100001
10100001
10100001
10100001
00001110
00000110
00000110
00000110
00000110
00000110
Q
U221
11101001
11101001
11101001
11101001
11101001
11101001
11101001
01110111
10110111
10110111
11010111
11100111
11101011
11101000
11101000
11101000
01110111
10110111
10110111
11010111
11100111
11101011
11101001
11101001
11101001
11101001
11101001
11101001