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EM261
EM261
CERTIFICATE:
The EM261 module is a communication module containing circuits for serial data transmission with galvanic isolation. It has programmable logic circuits allowing for signal edge regeneration and a processor used to configure network connections, DataFlash and FRAM memory circuits.
FEATURES/TECHNICAL SPECIFICATION
Basic parameters of the EM261 module
| Parameter name | Value (unit) |
| Rated supply voltage | 12÷15VDC |
| Maximum current consumption | 100mA |
| ATEX marking |  M1 Ex ia I Ma |
| EC type examination certificate number | FTZU 06 ATEX 0081X |
| Degree of protection | IP20 |
| Ambient temperature range | -20°C ÷ +40°C |
| Maximum diameter of Combicon connector cable | 2.5mm 2 |
| Number of communication channels | 3+1 (type RS485-2W) |
| Number of isolated communication channels | 1 |
| Mass | 0.2kg |
| External dimensions | 114.5 x 99 x 17.5 mm |
Intrinsically safe parameters of input and output circuits
| Connector No. | Derivation description | Intrinsically safe parameters |
| Z1 | +Uz, GND | Ui = 15.8V; Ii = 2A; Li = 0; Ci = 0 |
| +L, -L | Uo = 5.9V; Io = 188 Ma; Lo = 1mH; Co = 10 µF Ui = 5.9V; Li = 0; Ci = 0 | |
| +LAU, -LAU or +LAP, -LAP | Uo = 5.9V; Io = 188 Ma; Lo = 1mH; Co = 10 µF Ui = 5.9V; Li = 0; Ci = 0 | |
| Z2 | BDO0 ÷ BDO3, GND | Uo = 5.9V; Io = 23 mA; Lo = 20mH; Co = 10 µF Ui = 5.9V; Li = 0; Ci = 0 |
| Z4 | RS485 | Ui = 5.9V; Li = 0; Ci = 0 Uo = 5.9V; Io = 188 Ma; Lo = 6mH; Co = 10 µF |
| Z5 | RS485 | Ui = 5.9V; Li = 0; Ci = 0 Uo = 5.9V; Io = 188 Ma; Lo = 6mH; Co = 10 µF |
DOCUMENTATION
