Elgas miniELCOR, Operation Manual, Page: 75 / 131

miniELCOR
68
Analog output
DO1, DO2, DO3, DO4 *) terminals
- Max. number of outputs … 4
- Output type … Current output 4-20 mA (realized by moduls
CL-1)
Connection of external transducer via expanding module RS-485 – optional
(communication line RS-485 internal bus)
-
Expanding module marking … KP 065 08
- Communication interface for transducer … RS-485 (intrinsically safe)
- communicationí protocol … MODBUS RTU
- max.number of connected modules … 1
- max. length of cable of tranducer … 100 m
- recommended type of pressure transducer … EDT 23 (intrinsically safe)
- recommended type of temp. transducer do … EDT 34 (intrinsically safe)
Interface for communication with
superior system … All three interfaces share the same
communication channel – can not be
operated simultaneously
Metallic interfaces
- galvanic separation yes
- Interface of serial communication …
RS-485 or RS-232 (not possible
simultaneously)
- Communication protocol … Optional, according to the firmware version
- Communication speed … 9600 Bd – 57600 Bd, adjustable
- Byte format … 8 bits, 1 stop, without parity
RS-232 line
… RS232 terminals (GND1, CTS, TxD, RxD),
- connection via JB separator E.g. MTL5051
- cable length … 30 m
RS-485 line
… RS485 terminals (GND1, U1+, D1+, D1-)
- connection via JB separator … Datcom-K3, Datcom-K4
- max. cable length … <100 m
IEC-1107 interface
- Communication speed … 9600 Bd to 38400 Bd
Possible inputs / outputs configurations
Binary input Impulse input
Classic NAMUR LF HF
(NAMUR)
DI1 YES YES YES YES
DI2 YES YES YES YES
DI3 YES - YES -
DI4 YES - YES -