4 Operation and maintenance
The connection with mains is made through an inlet connector on the rear side of the device. The mains switch is also located at
this place. The fuse is permanently installed on the controller. It cannot be changed by the customer.
4.1 CAN Controller
4.1.1 Technical data
SPECIFICATIONS
Controller 238
CAN bus speed
20, 50, 100, 125 and 250 kbit/s
Analogue functions
ADC with 10-Bit resolution, control of supplies voltages and temperature of this crate.
Digital functions
ON – and OFF switch of internal supply voltages via CAN-Bus in Stand-by mode.
Power-ON/OFF
Power cable connected and AC line is ON, now the crate is in Stand-by mode. In Stand-
by mode the internal DC supply voltages can be switched ON and OFF with help of a
push button, even if no CAN-control is present.
With option UPS
In case of AC power failure the internal voltages are saved by the acc. Battery. If the
power is failing more than 10 sec. a signal will be provided , which is going to start a
defined shut down procedure.
ECH 238 – 8 Slot MMS Crate | Last modified on: 16.09.2020 | www.iseg-hv.com
10/17
