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 kΩ 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
CH
CH
02 04 06 08 10
OUT
01COM 0305070911
COM COM COM 03COM
06
00 01 02 04 05
07
00 01 02 03 04 05 06
07
08 09 10
11
20EDR1
CH
00 01 02 03 04 05 06
07
NC
NC
NC
CH
EXP
IN
00 02
01COM 03
COM 0507
04 06
CH
00 01 02 03
08 09 10 11
8ED
EXP
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
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