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Rainbow Electronics DS1852 User Manual

Page 18

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DS1852

18 of 25

Table 03h

Memory Location
(Table 3)

Name of Location

Function of Location

80h – 81h
88h – 89h
90h – 91h
98h – 99h
A0h – A1h

Temperature High Alarm
V

CC

High Alarm

B

in

High Alarm

P

in

High Alarm

R

in

High Alarm

The value written to this location serves as the high alarm limit. Data
format is the same as the corresponding value (temperature, V

CC

, B

in

,

P

in

, R

in

).

82h – 83h
8Ah – 8Bh
92h – 93h
9Ah – 9Bh
A2h – A3h

Temperature Low Alarm
V

CC

Low Alarm

B

in

Low Alarm

P

in

Low Alarm

R

in

Low Alarm

The value written to this location serves as the low alarm limit. Data
format is the same as the corresponding value (temperature, V

CC

, B

in

,

P

in

, R

in

).

84h – 85h
8Ch – 8Dh
94h – 95h
9Ch – 9Dh
A4h – A5h

Temp High Warning
V

CC

High Warning

B

in

High Warning

P

in

High Warning

R

in

High Warning

The value written to this location serves as the high warning limit.
Data format is the same as the corresponding value (temperature,
V

CC

, B

in

, P

in

, R

in

).

86h – 87h
8Eh – 8Fh
96h – 97h
9Eh – 9Fh
A6h – A7h

Temperature Low Warning
V

CC

Low Warning

B

in

Low Warning

P

in

Low Warning

R

in

Low Warning

The value written to this location serves as the low warning limit.
Data format is the same as the corresponding value (temperature,
V

CC

, B

in

, P

in

, R

in

).

B2h, Bah, C5h – C7h

Logic State Control

These should be left at the factory default values as shown in the
table to allow reading of the digital inputs from address 6Eh in Table
00h.

C8h – C9h
CAh – CBh
CCh – CDh
CEh - CFh

V

CC

– A/D Scale

B

in

– A/D Scale

P

in

– A/D Scale

R

in

– A/D Scale

16 bits of gain adjustment for corresponding A/D conversion values.

D0h

Chip Address

This is the chip address used when pin ASEL is high (A2h default).

D3h – D6h

PW1 Byte 3 (D3h) MSB
PW1 Byte 2 (D4h)
PW1 Byte 1 (D5h)
PW1 Byte 0 (D6h) LSB

The four bytes are used for password 1 entry. The password entered
here will allow Level 1 access. Factory default is 00h.

D8h – DFh

B

in

Fast Trip

These bytes define the fast-trip comparison over temperature.

E0h – E3h

P

in

Fast Trip

These bytes define the fast-trip comparison over temperature.

E4h – E7h

R

in

Fast Trip

These bytes define the fast-trip comparison over temperature.

E8h

Configuration Override
Byte

Location of the bits is defined in Table 03h expanded.