Modbus ASCII support
Available Modbus addresses
Enabled
1–15, 32–47, 64–79, and 96–110
2. Set
Modbus Address
to a unique value on the network.
3. Set
Floating-Point Byte Order
to match the byte order used by your Modbus host.
Code
Byte order
0
1–2 3–4
1
3–4 1–2
2
2–1 4–3
3
4–3 2–1
See the following table for the bit structure of bytes 1, 2, 3, and 4.
Table 9-2: Bit structure of floating-point bytes
Byte
Bits
Definition
1
SEEEEEEE
S=Sign
E=Exponent
2
EMMMMMMM
E=Exponent
M=Mantissa
3–4
MMMMMMMM
M=Mantissa
4. Set
Double-Precision Byte Order
to match the byte order used by your Modbus host.
Code
Byte order
0
1–2–3–4 5–6–7–8
1
3–4–1–2 7–8–5–6
2
2–1–4–3 6–5–8–7
3
4–3–2–1 8–7–6–5
4
5–6–7–8 1–2–3–4
5
7–8–5–6 3–4–1–2
6
6–5–8–7 2–1–4–3
7
8–7–6–5 4–3–2–1
See the following table for the bit structure of bytes 1–8.
Configure digital communications
Configuration and Use Manual
March 2019
MMI-20025166
172
Micro Motion Model 5700 Transmitters with Configurable Outputs
