Omron CP1H CPU UNITS - PROGRAMMING 05-2007, Руководство по эксплуатации

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400
Analog Output Units
Section 7-3
Analog Output Signal
Ranges
The analog values depend on the output signal ranges, as shown in the fol-
lowing diagrams.
Note When the output exceeds the specified range, the output signal will be fixed at
either the lower limit or upper limit.
Item Voltage Output Current Output
Analog
output sec-
tion Number of outputs 4 outputs (4 words allocated)
Output signal range 1 to 5 VDC,0 to 10 VDC, or –10 to 10 VDC 0 to 20 mA or 4 to 20 mA
External output allow-
able load resistance 2 k
Ω
min. 350
Ω
max.
External output
impedance 0.5
Ω
max. ---
Resolution 1/6000 (full scale)
Overall
accuracy 25
°
C 0.4% full scale
0 to 55
°
C 0.8% full scale
D/A conversion data 16-bit binary (4-digit hexadecimal)
Full scale for –10 to 10 V: F448 to 0BB8 Hex
Full scale for other ranges: 0000 to 1770 Hex
Conversion time 2 ms/point (8 ms/all points)
Isolation method Photocoupler isolation between analog I/O terminals and internal circuits. No isola-
tion between analog I/O signals.
Current consumption 5 VDC: 80 mA max.; 24 VDC: 124 mA max.
CP1H CPU Unit
IN
00
C H
C H
02 04 06 08 10
OUT
01 C OM 03 05 07 09 11
C OM CO M C OM 03 CO M 06
00 01 02 04 05 07
00 01 02 03 04 05 06 07
08 09 10 11
20EDR1
C H 00 01 02 03 04 05 06 07
N C
N C
N C
C H E X P
IN
00 02
01 C OM 03
C OM 05 07
04 06
C H 00 01 02 03
08 09 10 11
8ED
E X P
CH
I OUT1 I OUT3
I OUT2 VOUT1
VOUT2
VOUT3 COM1
COM2
I OUT4
VOUT4 COM4
NC
AG
COM3
OUT
A maximum of 7 Expansion Units or
Expansion I/O Units can be connected.
CPM1A-20EDR1
Expansion I/O Unit CPM1A-8ED
Expansion I/O Unit CPM1A-DA041
Analog Output Unit
4 analog outputs