2. Programming Concepts
5. The analog output signals and ondi their corresp ng digital values:
Model
20EX2/SX2 30EX2
Mode
Voltage -10 V~+10 V -2000~+2000 -32000~+32000
+0 mA 0~+4000 +0~+32000 ~+20 mA +Current
+4 mA 0~+40 00
~+20 mA + 00 +0~+320
6. The descriptions of the special data registers for the analog functions:
Device Function
Average number of times analog input signals are input through CH0~CH3 of
20EX2/SX2: 1~20, Default = K2
D1062
Average of times analog input signals are input through CH0~CH2 of
30EX2: 1~15, Defau
number
lt = K2
D1110 Average value of EX2/SX2 analog input channel 0 (AD 0)
D1111 Average value of EX u2/SX2 analog inp t channel 1 (AD 1)
D1112 Average value of EX2 nput c /SX2 analog i hannel 2 (AD 2)
Average value of
If D1062 is ON, the averag
20E g inpu 3)
current value
X2/SX2 analo
e value is the
t channel 3 (AD
.
D1113
X2
Please see the explanation below formation.
Displaying the status of the analog input channel of 30E
for more in
Enable/disable 20EX2/SX2 AD channels
(0: enable (default) / 1: disable)
bit0~bit3 sets AD0~AD3.
D1114
30EX2 does not support this function.
D1116 Output value of analog output channel 0 (DA 0) of EX2/SX2
Output value of analog output channel 1 (DA 1) of 20EX2/SX2
D1117
30EX2 does not support this function.
D1118
n. Sampling
For EX2/SX2 series, sampling time of analog/digital conversio
time will be regarded as 2ms If D1118≦2.
The description of D1113 for 30EX2:
Bit15~12 Bit11~8 Bit7~4 Bit3~0
Reserved
alog
input channel (AD1)
Status of the analog
input channel (AD0)
Status of the analog Status of the an
input channel (AD2)
The status of the analog input channel of 30EX2:
Status 0x0 0x1 0x2
Description Normal
upper/lower limit. disconnected.
The analog input exceeds the The temperature sensor is
The upper/lowe of 30EX2: r limit values for the analog input mode
Analog input mode Upper limit value Lower limit value
-10~+10 V
+32384 -32384
-5V~+5 V
Voltage
+1 V +32~+5 V 384 -384
2-67
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