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PG2021 Global HAHU-VP-ECM-005
E . 3 .
C o n t r o l L o g i c S p e c i f i c a t i o n s
Control Logic Specifications for W4/W5
The unit is turned ON when modulating signal input is more than 2.0VDC or Modbus 300006 and 300007 settings;
The unit is turned OFF when modulating signal input is less than 2.0VDC and Modbus 300006 and 300007 settings.
E . 4 .
O p e n M o d b u s P r o t o c o l
Open Modbus Protocol (For EC-W4/W5 PCB)
Transfer Mode: RTU, BAUD Rate: 9600bps, 8 data bit, 1 stop bit, None parity bit
The communications require a delay between reading an answer and sending the next command of 80ms. All temperature is
equal to reading data*10 accuracy: 0.1 degree C.
Holding Register table:
Description
Address
Type*
Remark
EC1 Minimum RPM
300001
R/W
200rpm-1500rpm
EC1 Maximum RPM
300002
R/W
200rpm-1500rpm
EC2 Minimum RPM
300003
R/W
200rpm-1500rpm
EC2 Maximum RPM
300004
R/W
200rpm-1500rpm
Motor qty setting
30004
R/W
0=EC motor1 working
1=EC motor2 working
2=EC motor 1/2 working
W4-only set 0;
W5/W6 default:=2
Signal inputs setting for W6
30005
R/W
0=Signal input 1 works; Motor 1/2 works based on signal
input1.
1=Signal input2 works;
Motor 1 works based on signal input1.
Motor 2 works based on signal input2.
Default:0
Motor1 RPM writing
30006
R/W
MS30006=0-200, Motor1 works according to signal
input1;
MS30006=above 200, Motor1 RPM is according to RPM
writing.
Motor2 RPM writing
30007
R/W
MS30007=0-200, Motor2 works according to signal
input2;
MS30007=above 200, Motor2 RPM is according to RPM
writing.
Unit Address setting
30008
R
1-15; Set by Dip-switch
Default: 55
Input Register table:
Description
Address
Type*
Remark
EC motor1 actual RPM
40000
R
EC motor2 actual RPM
40001
R
EC motor1 error
40002
R
EC motor2 error
40003
R
Input signal1 ( 0-10Vdc)
40004
R
Input signal2 ( 0-10Vdc)
40005
R
Software Version
40017
R
* R = read only, W = write only, R/W = read and write
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz
