Modbus
Register
Register Type
Description
Bytes
Data Format
Default
Values
Additional Notes
100
Standard
Commands
(Read/Write)
Compressor
Enable
2 Bytes 0 = Disable 1 = Enable
0
101
Compressor
Speed Demand
2 Bytes 16.0
Ex. If Value = 512, then
Conversion = 512/(2^0)
1RPM/bit
0
102
Stator Heater
Demand
2 Bytes 16.0 0 = Disable
Ex. If Value = 512, then
Conversion = 512/(2^0)
1Watt/bit
0
103
Faults Clear
Command
2 Bytes 1=Fault Clear , non-1= No
Action
0
200
Customer
Configuration
Parameter
(Read/Write)
Map access
Password
2 Bytes Password = 0x2345
Customer access to 201~213
N/A
201
Modbus Format
2 Bytes
2 = RTU
2
The drive has a feature to detect the
baud rate and parity of the system
controller and automatically configure to
those values.
Example: If controller is running at
19200bps and Even parity, 1 stop bit.
Then registers are automatically
configured to Reg.203 = 19200 &
Reg.204 = 1
202
ModBUS Slave ID
Address
2 Bytes 1-247
45
203
ModBUS Baud
Rate
2 Bytes 1200 = 1200BPS
2400 = 2400BPS
4800 = 4800BPS
9600 = 9600 BPS
19200 = 19200 BPS
38400 = 38400 BPS
19200
204
ModBUS Parity
2 Bytes 1=Even parity, 1 stop bit;
2=Odd parity, 1 stop bit;
3=No Parity, 2 stop bits:
4=Even parity, 2 stop bits:
5=Odd parity, 2 stop bits;
6=No parity, 1 stop bit
1
205
Compressor
Model Number
2 Bytes 0 = Not Configured
301 = ZPV0212E-2E9 (900 -
7200RPM)
311 = ZPV0212E-2E9 Rev1
(900 - 7200RPM)
410 = ZPV0282E-2E9 (900 -
7200RPM)
411 = ZPV0282E-2E9 Rev1
(900 - 7200RPM)
501 = ZPV0382E-2E9 (900 -
7200RPM)
511 = ZPV0382E-2E9 Rev1
(900 - 7200RPM)
502 = ZPV0342E-2E9 (900 -
7200RPM)
512 = ZPV0342E-2E9 Rev1
(900 - 7200RPM)
555 = ZPV0412E-2E9 (900
–
7200RPM)
0
206
Sensor 1 (HP
Switch)
2 Bytes 0 = Not Configured
100 = HP Switch N/C
(normally closed)
0
207
Sensor 2 (Scroll
Thermistor, DLT)
2 Bytes 0 = N/A
100 = 10Kohm resistor (to
simulate 25
o
C DLT temp)
200 = DLT 1 (Sensor)
0
When configured to “100”, the DLT limit
at Reg.38 is not applicable, it is only for
lab usage.
210
Controlled
Shutdown Rate
Config Option
2 Bytes
16.0
0 = Not Configured
Can be configured in
increments of "20" (20 to 120).
Decimal value of 20 =
60rpm/sec
50