Veeder-Root TLS2 - Probe Wiring Safety Issues; Intrinsically Safe Wiring Precautions

Serial Interface Manual
• TLS2 Monitoring Systems
Part No. 577013-767, Revision H 6
6.3.2 EXAMPLES
6.3.2.1 3F800000 hex = 0011 1111 1000 0000 0000 0000 0000 0000 bin
S = 0 = + (positive)
E = 011 1111 1 bin = 7F hex = 127 dec
M = 000 0000 0000 0000 0000 0000 bin = 0 hex = 0 dec
Exponent = 2
(127-127)
= 1.0
Mantissa = 1.0 + (0/8,388,608) = 1.0
Decimal Value = +1.0 x 1.0 = 1.0
6.3.2.2 B8D1B717 hex = 1011 1000 1101 0001 1011 0111 0001 0111 bin
S = 1 = - (negative)
E = 011 1000 1 bin = 71 hex = 113 dec
M = 101 0001 1011 0111 0001 0111 bin = 51 B7 17 hex = 5,355,287 dec
Exponent = 2
(113-127)
= 0.0000610352
Mantissa = 1.0 + (5,355,287/8,388,608) = 1.63840
Decimal Value = -0.0000610352 x 1.63840 = -0.0001
6.3.2.3 C2C7FAE1 hex = 1100 0010 1100 0111 1111 1010 1110 0001 bin
S = 1 = - (negative)
E = 100 0010 1 bin = 85 hex = 133 dec
M = 100 0111 1111 1010 1110 0001 bin = 47 FA E1 hex = 4,717,281 dec
Exponent = 2
(133-127)
= 64
Mantissa = 1.0 + (4,717,281/8,388,608) = 1.56234
Decimal Value = -64 x 1.56234 = -99.99
6.3.2.4 461C4000 hex = 0100 0110 0001 1100 0100 0000 0000 0000 bin
S = 0 = + (positive)
E = 100 0110 0 bin = 8C hex = 140 dec
M = 001 1100 0100 0000 0000 0000 bin = 1C 40 00 hex = 1,851,392 dec
Exponent = 2
(140-127)
= 8,192
Mantissa = 1.0 + (1,851,392/8,388,608) = 1.22070
Decimal Value = +8,192 x 1.22070 = 10,000