Laurel Electronics LTM CTR SERIES PULSE, AC or PROCESS TOTALIZER INPUT, SERIAL DATA OUTPUT - Manual (Page 36)

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Peak value reset *1C3
Remote display reset *1C4
Valley reset *1C9
Tare function *1CA
Tare reset *1CB
6.0 READING AND WRITING TO RAM AND NONVOLATILE MEMORY
CHAR 1, 2
The Recognition character and Meter Address Code are the same as shown in previous table.
CHAR 3
Command character:
G Read bytes from RAM Memory
F Write bytes to RAM Memory (DPM and Scale meter only)
R Read bytes from Upper RAM Memory
Q Write bytes to Upper RAM Memory
X Read words from Non-Volatile Memory
W Write words to Non-Volatile Memory
CHAR 4
Command character. Sub-command. Number of Bytes of RAM or Words (2 Bytes) of non-
volatile memory data being transferred.
Code # Number Code # Number Code # Number
1
2
3
4
5
6
7
8
9
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
11
12
13
14
15
16
17
18
19
20 L
M
N
O
P
Q
R
S
T
U
21
22
23
24
25
26
27
28
29
30
CHAR 5, 6
See tables for the RAM MEMORY ADDRESSES and NONVOLATILE MEMORY ADDRESSES with
their respective data definitions.