Yes – If you are using expansion units (EXM-E-) with your GSM CPU then you cannot use EXM-E-RS485 as well. If you require RS485 on your GSM CPU system, then… read more →
When the LED of an expansion unit flashes Red it means that it is unable to communicate correctly with the CPU. Please check connections are securely fitted and that each… read more →
Yes, and vice versa.
Yes. AC powered expansion units can be connected to DC powered CPU’s and vice versa. Power to ALL units MUST be turned on at the same time otherwise communication issues… read more →
No. It does not matter which order you connect the expansion units to the CPU. All that matters is they must have unique ID settings.
NOTE: All expansion unit addresses MUST be UNIQUE and MUST be set before applying supply to connected CPU! Don’t panic, there’s nothing wrong! By default the EXM and ELC-12 Ethernet… read more →