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RHX2M
Addr. Descr.
Min.
Max.
10000 =
2
PrcOut
0 = 0%
100.00%
20000 =
3
InternTemp
0 = 0°C
200.00°C
20000 = 200.00
4
RPMOut
0 = 0 rpm
rpm
5
Vout
0 = 0 V
50 = 50 V
60000 =
6
Iout
0 = 0 A
6.000 A
7
Power
0 = 0 W
200 = 200 W
10000 =
8
ExternSet
0 = 0%
100.00%
10000 = 1000
9
OperatTime
0 = 0 days
days
Supported Modbus commands
Function
Description
01
Read Coil
02
Read Input
03
Read Holding
04
Read Input Registers
Coil Status (01)
Address
Description
0
1=On, 0=Off
1=Reset alarm,
1
0=normal
2
Not in use
0=ClockWise,
3
1=CounterClockWise
Input Status (02)
Address
Description
1=Rotation alarm,
0
0=normal
Remarks
Actual output per cent. Differs from Prc-
Set while the motor is ramped up/down
to the setpoint.
Temperature inside RHX2 controller.
Actual motor speed.
Actual output voltage to motor.
Actual output current to motor.
Actual output power to motor.
Speed setting for 0-10 V input. 0% below
1.1 V, 100% above 9.5 V.
Operating time with rotating motor,
expressed in whole days.
Data format code
Status 1-bit value
Status 1-bit value
Registers 16-bit integer value
16-bit integer value
Remarks
Start and stop of motor
Resets alarms when changed from 0 to 1
1 is automatically changed back to 0 after
1.5 s
Default 0, must not be changed
Determines motor
rotation direction
Remarks
Alarm due to lacking signal from rotation guard
(rotation guard is always active with Modbus
control)
© 2016 OJ Electronics A/S
Address
Description
1=Low voltage alarm,
1
0=normal
1=High voltage alarm,
2
0=normal
1=High current alarm,
3
0=normal
1=Temperature alarm,
4
0=normal
5
Not in use
6
Not in use
7
Not in use
Alternates
8
between 0 and 1
9
Not in use
SERVICE AND MAINTENANCE
No batteries, service or maintenance are required. Please contact your supplier if
faults arise.
TROUBLESHOOTING
LED fault indication
•
No light: Lacking 230 V supply voltage or defective RHX2M.
•
Red light: General alarm, motor is stopped until alarm situation is no longer
present.
•
Red flash: Rotation guard alarm, no pulses detected.
Alarms
Alarm relay terminals 4 and 6 are activated in alarm situations or if the 230 V power
supply is lacking.
General alarm
Can be activated by high/low voltage, high current or high temperature. General
alarms are automatically reset once the alarm situation is no longer present. General
alarms triggered by high current (short-circuited motor) are not reset automatically.
General alarms can also be reset by short-circuiting the rotation guard terminals
(10-11) for five seconds or via Modbus.
Rotation guard alarm
The rotation guard input is monitored whenever the RHX2M controller starts the
English / Instruction
Remarks
Alarm due to low
230 V supply voltage
Alarm due to high
230 V supply voltage
Alarm due to high
current in motor
Alarm due to high
temperature inside RHX2M controller
Each pulse from rotation
guard changes value
25
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