IMP PUMPS NMT Smart C - Pump Status Register Block

31
7.10. PUMP STATUS REGISTER BLOCK
Registers in this block can be read by means of function codes 0x03 and/or 0x04. They are read-only.
Address
Register name
Description
201
StatusReg
b0..b5:
RESERVED
-
b6: Rotation
Indicates if the pump is rotating (running) or not.
0 = No rotation
1 = Rotation.
b7: RESERVED
Bit 8:
AccessMode
Indicates if the pump is locally or remotely controlled.
0 = Local (a source with higher priority controls the pump)
1 = Remote (controlled by Modbus master).
Bit 9: IsOn
Indicates if the pump is on or off.
0 = Off
1 = On
It not necessarily indicate rotation as an error might stop the pump.
Bit 10: Error
Indicates if there is a problem with proper operation.
0 = No problem
1 = Error present.
Pump might still run.
Bit 11:
RESERVED
-
Bit 12:
RESERVED
-
Bit 13:
NearMaxSpeed
Indicates if the pump is running near maximum speed.
0 = No
1 = Yes.
This flag is set when power or speed is over 95% of rated maximum.
Bit 14:
RESERVED
-
Bit 15:
NearMinSpeed
Indicates if the pump is running near minimum speed.
0 = No
1 = Yes.
This flag is set when speed falls below 1/3 of rated maximum.
202
RESERVED
(TBD)
203
ControlMode
Indicates the actual control mode.
0 = ConstantRPM
1 = ConstantRPM
3 = ConstantHead
4 = ConstantHead
5 = ConstantHead
6 = ProportionalHead
128 = AutoHeadMode.
204
RESERVED
205
ErrorCode1
Current first error code.
0 - when pump is operating without problems.
This value will always be non-zero when there is an error present. See
section “8.1 Error codes ” for code details.