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Description
bit4
K16 (H’10)
CH2 Conversion
error
bit12
K4096(H’1000)
Set value changing
prohibited
bit5
K32 (H’20)
CH3 Conversion
error
bit13 K81
92(H’2000)
Communication
breakdown on next
module
Note: Each error status is determined by the corresponding bit (b0 ~ b13) and there may
be more than 2 errors occurring at the same time. 0 = normal; 1 = error
PID Control Registers
CR#
Save
Register content
Description
CH1 CH2 CH3 CH4
#120 #140 #160 #180 O R/W
Set temperature
value
Please set the temperature value
according to proper range of
each sensor type. Default = K0
#121 #141 #161 #181 O R/W Sampling time (s) Range: K1 ~ K30. Default = K2
#122 #142 #162 #182 O R/W K
P
Proportional control constant.
Default = K121
#123 #143 #163 #183 O R/W K
I
Integral constant. Default =
K2,098
#124 #144 #164 #184 O R/W K
D
Derivative constant. Default =
K-29
#125 #145 #165 #185 O R/W
Upper limit of I
value
Upper limit of I value. Default =
K0
#126 #146 #166 #186 O R/W
Lower limit of I
value
Lower limit of I value. Default =
K0
#127 #147 #167 #187 X
R
I value
Current accumulated offset value
#128 #148 #168 #188 O R/W Heating/cooling
0: Heater, 1: Cooler. Default = K0
#129 #149 #169 #189 O R/W
Upper limit of
output
Upper limit of output. Default =
K32,000
#130 #150 #170 #190 O R/W
Lower limit of
output
Lower limit of output. Default =
K0
#131 #151 #171 #191 X
R
Output
percentage
Output percentage (Unit: 0.1%)
#132 #152 #172 #192 X
R
Output width
Width of control output. Unit: ms
#133 #153 #173 #193 X
R
Output cycle
Cycle of control output. Unit: ms
#134 #154 #174 #194 X
R
Output volume
Output volume
#135 #155 #175 #195 X R/W PID_RUN/STOP 0: STOP, 1: RUN. Default = K0
#136 #156 #176 #196 X R/W Auto-tuning
0: Disabled, 1: Auto-tuning.
Default = K0
Symbols: O: When CR#41 is set to H’5678, the set value of CR will be saved.
X: set value will not be saved.
R: able to read data by using FROM instruction.
W: able to write data by using TO instruction.
Explanation on Special Registers D9900~D9999
When ELCM-PH/ELCM-PA controllers use expansion I/O modules,
registers D9900~D9999 will be reserved for storing values from these
modules. You can apply the MOV instruction to access values in
D9900~D9999.
