Em235 Analog Combination Module PLC 4 Analog Input 1 Analog Output

Performance ParametersEM235 Analog Combination Module PLC 4 Analog Input 1 Analog Output,can workwith Siemens S7-200 CPU
Specification
EM235, 4 AI/1AQx12BIT
Physical Features
Dimensions(WxHxD)
71.2x80x62mm
Power Loss(dissipation)
2W
Power Consumption
From +5V(from I/O bus)
34 mA
From L+
60 mA
L+voltage range,class 2orDC sensor supply
20.4~28.8V DC
LED indicator
24 VDC Power Supply Good
ON = no fault,
OFF = no 24 VDC power
Analog Input Feature
Number of analog input points
4 points
Isolation(field side to logic circuit)
Optical isolated: 500VAC, 1 minute
input type
Differential
Input Range
Voltage(unipolar)
0-10V, 0-5V,0-1V,0-500mV,0-100mV, 0-50mV
Voltage(bipolar)
±10V,±5V,±2.5V,±1V,±500mV,±250mV,±100mV,±50mV
Current
0~20 mA
Data Range
15~30V
Bipolar,full-scale range
0~32000
Unipolar, full-scale range
-32000~32000
Input Resolution
Voltage(unipolar)
2.5 mV (0~10V)
1.25 mV (0~5V)
Voltage(bipolar)
2.5 mV (±5V)
1.25 mV (±2.5V)
Current
5μA (0~20mA)
Analog to digital conversion time
<300μs
Analog input step response
1.5ms
Common mode rejection
40dB,DC to 60Hz
Common mode voltage
Signal voltage + Common mode voltage < 12V
Input Impedance
≥10MΩ
Input filter attenuation
-3db @ 3.1kHz
Maximum input voltage
30V
Maximum input current
30mA
ADC resolution
12BIT
Analog Output Features
Number of analog output points
1
Signal range
Voltage output
Current output
±10V
0~20mA
Resolution, full-scale
Voltage output
Current output
12BIT
11BIT
Data word format
Voltage output
Current output
-32000~+32000
0~32000
Accuracy
typical: ±0.5% of full scale; Worse: ±2% of full scale
Setting time
Voltage output
Current output
100μs
2ms
Maximum drive@24VDC power
Voltage output
Current output
5000 ohm, minimum
500 ohm, maximum
Table 1 EM 235 Configuration Switch Table toselectAnalog Input Range and Resolution
UnipolarFull-Scale InputResolutionSW1SW2SW3SW4SW5SW6ONOFFOFFONOFFON0 to 50 mV12.5 mVOFFONOFFONOFFON0 to 100 mV25 mVONOFFOFFOFFONON0 to 500 mV125 mVOFFONOFFOFFONON0 to 1 V250 mVONOFFOFFOFFOFFON0 to 5 V1.25 mVONOFFOFFOFFOFFON0 to 20 mA5 mAOFFONOFFOFFOFFON0 to 10 V2.5 mV
BipolarFull-Scale InputResolutionSW1SW2SW3SW4SW5SW6ONOFFOFFONOFFOFF+25 mV12.5 mVOFFONOFFONOFFOFF+50 mV25 mVOFFOFFONONOFFOFF+100 mV50 mVONOFFOFFOFFONOFF+250 mV125 mVOFFONOFFOFFONOFF+500 mV250 mVOFFOFFONOFFONOFF+1 V500 mVONOFFOFFOFFOFFOFF+2.5 V1.25 mVOFFONOFFOFFOFFOFF+5 V2.5 mVOFFOFFONOFFOFFOFF+10 V5 mV
Table 2 EM 235 Configuration Switch Table toselectUnipolar/Bipolar, Gain, and Attenuation
EM 235 SwitchesUnipolar/Bipolar
SelectGain SelectAttenuation
SelectSW1SW2SW3SW4SW5SW6ONUnipolarOFFBipolarOFFOFFx1OFFONx10ONOFFx100ONONinvalidONOFFOFF0.8OFFONOFF0.4OFFOFFON0.2