System Commands; Output Status, Manual Output Status And Output Override - Danfoss ECL Comfort 210 Instructions Manual

Instructions ECL Comfort 210 / 310, communication description
ECA extension
Serial number, code number, software version and hardware
version can be read for an attached ECA 32 or ECA 33 module.
The formats are just as for the ECL controller.
Code no. type is reserved for future use, currently 0 is always read.
If no extension modules are attached, the PNU will return 0.
rd th
3 and 4 extension are reserved for future use but not yet
implemented.
Read PNU 10213 to check whether an ECA 30/31 unit is attached as
HMI A, or PNU 10216 to check whether an ECA 30/31 unit is
attached as HMI B. If no room unit is attached, the value19200 will
be returned.

6.13 System commands

PNU 1, System command:
Value
2
PNU 2097, Wink display back light in seconds. Write 0 to abort
active wink. If an ECA 30/31 is connected to the ECL, the ECA will
also wink.
6.14 Output status, Manual output status and Output
override
When the controller is in Manual mode it controls all output used
by the specific application. The manual control has priority.
When the controller is not in Manual mode, the output can be
controlled by "Output override".
6.14.1 Output status (from version 1.10)
PNU 3999 holds a read only bit mask for all ECL outputs.
Bit 15 - 12 Bit 11
Reserved Relay6
Bit 5
Triac6
See the application description for determining the usage of each
output.
Danfoss District Energy
Command
Reset internal ECL log
Bit 10
Relay5
Bit 4
Triac5
ECA
extension
st
1 Serial no.
extension Software
Hardware
Code no. type
Code no
nd
2 Serial no.
extension
Software
Hardware
Code no. type
Code no
rd
3 Serial no.
extension
Software
(reserved)
Hardware
Code no. type
Code no
th
4 Serial no.
extension Software
(reserved)
Hardware
Code no. type
Code no
Comment
Also reset during application installation
It is not possible to set the manual output state from the
Modbus interface – it can only be achieved via the ECL display
(or ECA 30/31 remote unit).
Bit 9 Bit 8
Relay4 Relay3
Bit 3 Bit 2
Triac4 Triac3
VI.LG.V3.02
Parameter PNU
2100-2101
2102
2103
2104
2105
2110-2111
2112
2113
2114
2115
2120-2121
2122
2123
2124
2125
2130-2131
2132
2133
2134
2135
Bit 7 Bit 6
Relay2 Relay1
Bit 1 Bit 0
Triac2 Triac1
DEN-SMT/DK
21