Samwontech NOVA541, User Manual, Page: 94 / 107

NOVA541
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5-7. D-Register Map
▪ D-Registers are provided for checking status of the controller. Basically, they are grouped by 100
addresses.
D-Register Group name Description Read Write
D0000~D0099 PROCESS Basic parameters ○ ○
D0100~D0199 FUNCTION Operation and functions ○ ○
D0200~D0299 SET POINT SP setting ○ ○
D0300~D0399 SIGNAL Inner Signal ○ ○
D0400~D0499 ALARM Alarm setting ○ ○
D0500~D0599 PID P.I.D ○ ○
D0600~D0699 IN/OUT Input and Output ○ △
D0700~D0799 RESERVED Reserved X X
D0800~D0899 RESERVED Reserved X X
D0900~D0999 RESERVED Reserved X X
D1000~D1099 RESERVED Reserved X X
D1100~D1199 RESERVED Reserved X X
D1200~D1299 RESERVED Reserved X X
D1300~D1399 RESERVED Reserved X X
5-7-1 Process
▪ Process Group includes the basic information of operating. The detailed Bit-Map information of
status registers is described at the end of this manual.
D-Register Symbol Description
D0001 NPV Current PV
D0002 NSP Current SP
D0003 TSP Target Set Point
D0005 SPSL Current SP No.
D0006 MVOUT Control output
D0007 HOUT Heating output
D0008 COUT Cooling output
D0009 PIDNO P.I.D Number being used
D0010 NOWSTS Current operation status
D0014 ALSTS Current alarm status
D0015 EVSTS Current event status