The new S7-200 SMART has two different types of CPU modules, i.e. standard type and compact type.
Standard type CPU is expandable with I/O expansion modules and signal boards. Compact type CPUs are non expandable with I/O expansion modules and signal boards.
Product Specifications :
| Model |
EM AI04 |
EM AI08 |
| Order No.: (MLFB) |
6ES7 288-3AE04-0AA0 |
6ES7 288-3AE08-0AA0 |
| Standard |
| Dimension W x H x D (mm) |
45 x 100 x 81 |
| Weight |
147 g |
186 g |
| Power consumption |
1.5 W (no load) |
2.0 W (no load) |
| Current consumption (SM bus) |
80 mA |
| Current consumption (24 V DC) |
40 mA (no load) |
70 mA (no load) |
| Analogue input |
| No. of Inputs |
4 |
8 |
| Type |
Voltage or current (differential) : 2 can be selected as a group |
| Range |
±10 V, ±5 V, ±2.5 V, or 0 ~ 20 mA |
| Full scale range (data word) |
-27, 648 ~ 27, 648 |
| Overshoot / undershoot range (data word) |
Voltage: 27, 649 ~ 32, 511/-27, 649 ~ -32, 512
Current: 27, 649 ~ 32, 511/-4864 ~ 0 |
| Overflow / underflow (data word) |
Current: 32, 512 ~ 32, 767/-4, 865 ~ -32, 768
Voltage mode: 11 bits + signal bits |
| Resolution |
Current mode: 11 bits |
| Maximum voltage / current resistance |
±35 V/±40 mA |
| Smoothness |
None, weak, medium or strong |
| Noise suppression |
400, 60, 50 or 10 Hz |
| Input resistance |
9 M Ω (voltage) / 250 Ω (current) |
| Isolation (field side and logic side) |
None |
| Precision (25°C / 0 ~ 55°C) |
Voltage mode: full range ±0.1 %/±0.2 % |
| Current mode: full range ±0.2 %/±0.3 % |
| Analogue to digital conversion time inhibited) |
625 µs (400 Hz |
| Common mode rejection |
40 dB, DC to 60 Hz |
| The working signal range |
Signal plus common mode voltage must be less than +1 2 and greater than -12 V; |
| The cable length (maximum) |
100 m, Shielded twisted pair |
| Overflow / underflow ? |
Yes |
| 24 V DC low voltage ? |
Yes |
