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Operating and Maintenance Instructions
Appendix D – Modbus Input Registers
ADDR
DESCRIPTION
(hex)
MDC FIRMWARE
0
1
TOTAL NUMBER OF FANS
TOTAL FANS WITH
2
TOTAL NON-RESPONSIVE
3
TOTAL FANS WITH
4
TOTAL POWER
5
CONSUMPTION
6
SENSOR READING
MDC FAN STATUS
7
HOLDING REGISTERS
UPDATE FLAG
200
3FF
400
5FF
* MDC Input Register Address 6 Value:
If measurement unit is m
If measurement unit is cfm:
210-OMI14229-Iss2
© ebm-papst UK Ltd 2018
VALUE
RANGE
Controller's Dedicated Modbus Input Registers
0 TO 65535
REVISION
1 TO 100
0 TO 100
ALARMS
0 TO 100
FANS
0 TO 100
WARNINGS
0 TO 65535
0 TO 65535
0 AND 1
Direct Access to Individual Fan Input Registers
Table 6 - Modbus Input Registers
m3/h
/h:
3
10
������
10
IMPORTANT: Do not attempt to read more than 6 registers at a time
Operation & Maintenance Instructions
Chelmsford Business Park Chelmsford Essex CM2 5EZ
Telephone: +44(0)1245468555 Fax: +44(0)1245466336
e-mail
sales@uk.ebmpapst.com
FANS ADDRESSED AND CONNECTED TO THE MDC
FANS DISPLAYING ONE OR MORE ALARM CONDITION
FANS NOT RESPONDING TO MODBUS MESSAGES
FANS DISPLAYING ONE OR MORE WARNING
���������� ���������� ����������������������
REGISTER VALUE DEPENDS ON THE SELECTED
MEASUREMENT UNIT *(see below)
REGISTER VALUE WILL CHANGE BETWEEN 0 AND 1
EACH TIME THE MDC HAS FINISHED UPDATING THE
VALUES OF ALL MDC HOLDING REGISTERS AT
ADDRESSES CB00 UP TO:
����00 + ( ������������ ���� �������� ∗ 0��80 )
FAN 1 INPUT REGISTER D000
FAN 1 INPUT REGISTER D2FF
FAN 2 INPUT REGISTER D000
FAN 2 INPUT REGISTER D2FF
ETC
If measurement unit is Pa: ����
If measurement unit is inwg: �������� ∗ 1000
DETAILS
N/A
FROM THE MDC
CONDITIONS
REGISTER VALUE IS:
10
Page 29 of 45
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