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Chapter 7 Usage of Various Functions
7-40
7.2.1 A/D
·
D/A Combination module
1) Performance specification
The performance specification of the analog mixture module are following
.
Specifications
Item
G7F-ADHA
G7F-ADHB
Voltage
DC 0
∼
10V (input resistance more than 1
㏁
)
Input range
Current
DC 0
∼
20
㎃
(input resistance 250
Ω
)
DC 4
∼
20
㎃
(input resistance 250
Ω
)
Classified by parameter
Digital output
12Bit( 0~4000)
1.Setting by jumper pin for V/I selection
on upper part of product
(Up: voltage, Down: Current)
1.Setting by dipswitch for V/I selection
on left side of product
(Left voltage, Right: Current)
Voltage/Current
selection
2. Voltage/current selected by KGLWIN parameter
3. When current input is used, short the V and I terminal
No. of channel
2 Channels/ 1 module
Voltage DC +12V
Analog Input
Absolute max. input
Current DC +24
㎃
Voltage
DC 0
∼
10V (External load resistance 2
㏀∼
1
㏁
)
Output range
Current
DC 0
∼
20
㎃
(External load resistance 510
Ω
)
DC 4
∼
20
㎃
(External load resistance 510
Ω
)
Classified by parameter
Digital Input
12Bit( 0~4000)
Voltage/Current
selection
Separated from terminal
No. of channel
1Channel / 1 module
1Channel / 2 module
Voltage DC +12V
Analog output
Absolute max. output
Current DC +24
㎃
Voltage DC0
∼
10V : 2.5
㎷
(1/4000)
DC0
∼
20
㎃
: 5
㎂
(1/4000 )
Max. resolution
Current
DC4
∼
20
㎃
: 6.25
㎂
(1/3200 )
Accuracy
±
0.5% [Full scale ]
Max. conversion
speed
1
㎳
/CH + scan time
Isolation
Photo coupler insulation between I/O terminals and PLC power supply
(No isolation between channels)
Connect terminal 9 Points terminals *2
8 Points terminals *2
Internal current
Consumption
20
㎃
DC 21.6
∼
26.4V
External power
supply
80
㎃
95
㎃
Common
Weight
240g
180g
Remark
1) Offset/gain value can’t be changed, it is fixed.
2) Analog inputting is set the current since this is manufactured.
3) Extend to use max.3 Modules