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3.1 Performance Specifications
3.1.1 Performance specifications list
3
SPECIFICATIONS
Table3.2 Performance Specifications of Q66AD-DG
Item Specifications
Number of analog input channels (2-wire
transmitters)
6 channels
Input
specification
With 2-wire
transmitter
4 to 20mADC (Input resistance 250 )
Without 2-wire
transmitter
0 to 20mADC±1 (Input resistance 250 )
Power supply part
for 2-wire transmit-
ter
Supply voltage 26±2VDC
Maximum supply
current
24mADC
Short-circuit
protection
Available
Limit current: 25 to 35mA
Check terminals Available
Digital output
16-bit signed binary (normal resolution mode: –96 to 4095, high resolution mode:
–288 to 12287)
Using scaling function 16-bit signed binary (-32768 to 32767)
I/O characteristics, maximum resolution
*8
Analog input range
Normal resolution mode High resolution mode
Digital out-
put value
Maximum
resolution
Digital out-
put value
Maximum
resolution
0 to 20mA
0 to 4000
5A
0 to 12000
1.66 A
4 to 20mA
4 A 1.33 A
4 to 20mA
(Extended mode)
-1000 to 4500
4A
-3000 to
13500
1.33 A
Users range setting
*4
0 to 4000
1.37 A
*9
0 to 12000
1.33 A
*9
Accuracy
(Accuracy
relative to
digital
output value)
Reference accuracy
*1
±0.1%
(Normal resolution mode: ±4digit
*2
High resolution mode: ±12digit
*2
)
Temperature coefficient
*3
±71.4ppm/°C (0.00714 %/°C)
Sampling cycle
*5
10ms/ channel
Response time
*6
20ms
Absolute maximum output
±30mA
*7
Isolation
Specific isolated area Isolation method
Dielectric withstand
voltage
Insulation
resistance
Between I/O terminal and
programmable controller
power supply
Transformer
isolation
500VAC rms, 1min.
500VDC
10M or
more
Between analog input
channels
1000VAC rms, 1min.
Between external power
supply and analog input
500VAC rms, 1min.
Maximum number of writes to flash
memory
Up to 50,000 times
Number of I/O occupied points 16 points (I/O assignment: Intelligent 16 points)
External wiring connection system 40-pin connector
Applicable wire size
0.3mm
2
(AWG22) or less (for A6CON1, A6CON4)
0.088mm
2
to 0.24mm
2
(AWG28 to 24) (for A6CON2)
External device connection connector A6CON1, A6CON2, A6CON4 (sold separately)
External power supply
*10
24VDC +20%, -15%
Ripple, spike within 500mV
P-P
Inrush current : 5.0A, within 400µs
0.36A