Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 144 / 362

Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
142
Operating Instructions, 08/2017, A5E37367739-AC
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
7400 Unsigned / 2 Mass flow units Units for
mass flow
values.
75
• 70: g/s (grams per second)
•
71: g/min (grams per min)
• 72: g/h (grams per hour)
•
73: kg/s (kilograms per second)
• 74: kg/min (kilograms per mi-
nute)
•
75: kg/h (kilograms per hour)
• 76: kg/d (kilograms per day)
•
77: t/min (1 t = 1000 kg)
• 78: t/h (1 t = 1000 kg)
•
79: t/d (1 t = 1000 kg)
• 80: lb/s (pounds per second)
•
81: lb/min (pounds per minute)
• 82: lb/h (pounds per hour)
•
83: lb/d (pounds per day)
• 84: STon/min (1 STon = 2000 lb)
•
85: STon/h (1 STon = 2000 lb)
• 86: STon/d (1 STon = 2000 lb)
•
87: T/h (1 T = 2240 lb)
• 88: T/d (1 T = 2240 lb)
•
253: custom units (see Custom
mass flow units string (8458) /
factor (8456))
Read /
write