Sentera Controls MCS-1-LCD, Mounting And Operating Instructions

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HOLDING REGISTERS
Data type Description Data Default Values
74
Assign high priority input to
analogue output (Ao2)
unsigned int.
Assigns high priority analogue or
temperature input to analogue output
Ao2.
Active only if not in relation and
controlled output is selected.
0—3 2
0 =
1 =
2 =
3 = T1
T2
Ai1
Ai2
75
Time to maximum output
(Ao2)
unsigned int.
Time for the output to rise to maximum
value.
Active only if control function is
selected.
0—100 s 60 s 60 = 60 s
76 Kp value (Ao2) unsigned int.
Proportional gain value for Ao2.
Active only if a PID function is selected.
1—1.000 10 10 = 1,0 gain
77 Ti value (Ao2) unsigned int.
Integration period value for Ao2.
Active only if a PID function is selected.
1—6.000 100
1 =
100 =
0,1 s
10 s
78 Td value (Ao2) unsigned int.
Derivative period value for Ao2.
Active only if a PID function is selected.
0—6.000 10
0 =
10 =
0 s
1 s
79 Assigned input to relay 1 unsigned int.
Assigns a relation to analogue or digital
input of relay 1
0—8 0
0 =
1 =
2 =
3 =
4 =
5 =
6 =
7 =
8 = Not in use
Di1
Di2
Di3
Di4
T1
T2
Ai1
Ai2
80 Assigned input to relay 2 unsigned int.
Assign relation to analogue or digital
input of relay 2
0—8 0
0 =
1 =
2 =
3 =
4 =
5 =
6 =
7 =
8 = Not in use
Di1
Di2
Di3
Di4
T1
T2
Ai1
Ai2
81 Hour unsigned int. Current hour 0—23
82 Minutes unsigned int. Current minutes 0—59
83 Seconds unsigned int. Current seconds 0—59
84 Date unsigned int. Current date and month 1—31
85 Month unsigned int. Current month 1—12
86 Year unsigned int. Current year 2000—2099
87 Day of week unsigned int. Current day of the week 0—6
0 =
1 =
2 =
3 =
4 =
5 =
6 = Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
88 Day of year unsigned int. Current day of year 1—366
89 Autotune (Ao1) unsigned int.
Starts autotune in PID control for
analogue output Ao1
0—1 0
0 =
1 = In progress (start autotune)
Stop
90 Autotune (Ao2) unsigned int.
Starts autotune in PID control for
analogue output Ao2
0—1 0
0 =
1 = In progress (start autotune)
Stop
91
Analogue output override
value (Ao1)
signed int.
Override value for analogue output
Ao1.
Active only if holding registers 7
and 8 are set to 1.
0—1.000 0
0 =
1.000 =
0 VDC
10,00 VDC
92
Analogue output override
value (Ao2)
signed int.
Override value for analogue output
Ao2.
Active only if holding registers 7
and 8 are set to 1.
0—1.000 0
0 =
1.000 =
0 VDC
10,00 VDC
93-100 Reserved, returns 0
If you want to find out more about Modbus over serial line, please visit: http://www.modbus.org/docs/Modbus_over_serial_line_V1_02.pdf
MCS-1-LCD
MULTIFUNCTIONAL LOGIC
CONTROLLER