Fonctions Modbus - Stübbe PCU Serie Notice D'utilisation D'origine

10.4.3 Fonctions Modbus

Func- Name
tion
Code
01 Read Coil
Status
02 Read Input
Status
03 Read Holding
Registers
04 Read Input
Registers
05 Force Single
Coil
Tab. 27

Fonctions Modbus

1) La désignation des relais (coils), des entrées (Input) et des registres démarre par « 1 » (adresse physique « 0 »).
302 440
1)
Address
0x00 → RELAY1
0x01 → RELAY2
0x00 → Lower Level Switch
0x01 → Upper Level Switch
0x00 → PCU Version
0x01 → Pressure [mBar]
0x02 → Level [1/10 %]
0x03 → Temperature [1/10 °C]
0x06 → Error pressure
0x07 → Error level
0x08 → Error temperature
0x09 → Device ID [PCU]
0x0A → Pressure [Bar]
0x0C → Level [%]
0x0E → Temperature [°C]
0x10 → Pump operating
hours [h]
-
Data type Comment
Bit Read relay status.
Bit Read input status.
Unsigned Value = 310 → V3.10
Integer
Signed Integer Value = 0 ... 10000 → 0 ... 10000 mbar
Signed Integer Value = 0 ... 1000 → 0 ... 100%
Signed Integer Value = -350 ... 1250 → -35,0 ... 125,0 °C
Unsigned TRUE → Sensor error
Integer FALSE → Sensor OK
Unsigned
TRUE → Sensor error
Integer FALSE → Sensor OK
Unsigned TRUE → Sensor error
Integer FALSE → Sensor OK
Unsigned Value = 35 → Device ID = 35
Integer
Float_ABCD IEEE 32-bit floating-point
Float_ABCD IEEE 32-bit floating-point
Float_ABCD IEEE 32-bit floating-point
Float_ABCD IEEE 32-bit floating-point
- -
Bit
BA-2022.06.01 FR
Annexe
PCU 25