Laurel Electronics LTM DPM SERIES ANALOG INPUT, SERIAL DATA OUTPUT User Manual
Page 34

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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. 
 
- QLS Quad Output 4-20 mA Current Loop - Datasheet (3 pages)
- QLS Quad Output 4-20 mA Current Loop - Manual (8 pages)
- LTS6 - Datasheet (3 pages)
- LTS6 - Manual (24 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Duty Cycle Input (4 pages)
- LT SERIES TRANSMITTERS PULSE INPUTS (40 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Position or Rate from Quadrature Encoders (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Average Time of Periodic Events (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Time of Single or Accumulated Events (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for AC Phase Angle & Power Factor (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Ratio (4 pages)
- LT: 4-20 mA & Serial Data Transmitter-Totalizer for 0-1 mA, 4-20 mA or 0-10V Process Signals (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Dual Channel Pulse Totalizer Input (4 pages)
- LT: Ethernet & 4-20 mA Output Transmitter for Frequency, Rate or Period Input (4 pages)
- LT SERIES TRANSMITTERS ANALOG INPUT (40 pages)
- LT: 4-20 mA Current Loop Transmitter for Resistance Input in Ohms (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Pt100, Cu10 and Ni120 RTD Input (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Thermocouple Types J, K, T, E, N, R, S (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Load Cell & Microvolt Signals (4 pages)
- LTE SERIES TRANSMITTERS ANALOG INPUT (40 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Strain Gauge & Potentiometer Input (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Process Signals (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for AC RMS Voltage or Current Input (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for DC Voltage or Current Signals (4 pages)
- LTE SERIES TRANSMITTERS PULSE INPUT (40 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Duty Cycle Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Position or Rate from Quadrature Encoders (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Average Time of Periodic Events (5 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Time of Single or Accumulated Events (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for AC Phase Angle & Power Factor (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Ratio (5 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter & Totalizer for 0-1 mA, 4-20 mA or 0-10V Signals (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Dual Channel Pulse Totalizer Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Frequency, Rate or Period Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Resistance in Ohms (4 pages)
- LTE: Ethernet & 4-20 mA Output RTD Transmitter for Pt100, Cu10 and Ni120 RTD Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Thermocouple Types J, K, T, E, N, R, S (4 pages)
- LTE: Ethernet & 4-20 mA Transmitter for Load Cell & Microvolt Signals (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Process Signals (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for AC RMS Voltage or Current (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for DC Voltage or Current (4 pages)
- LTSE6 - Manual (25 pages)
- LTSE6 - Datasheet (3 pages)
- MAGNA Series Large Digit Displays (4 pages)
- M-35 Microminature Process Meter (2 pages)
