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ElectroVap RTH
Connecting Options
Electrical installation
Remote information board
30
On peut ainsi choisir un contact NO ou NF simplement en
changeant la position du connecteur.
X21
X20
X22
32
31
30
36
33
NO
35
38
37
34
NF
Ex.
NO
32
31
30
X20
NF
32
31
X20
Board # 500400/03
A NO or NC contact can be selected by simply
changing the position of the connector.
Connector X22 (36-37-38): steam production
information dry contact
Connector X21 (33-34-35): general fault
information dry contact
Connector X20 (30-31-32): cylinder
maintenance information dry contact
NC
Option - RS485 or RS422 or RS232 interface
Main board
Remote information board
NC
CHARACTERISTICS:
RS485 : 2 wires half duplex (+GND) Max. distance 4000 ft.
RS422 : 4 wires half duplex (+GND) Max. distance 4000 ft.
RS232 : 2 wires half duplex (+GND) Max. distance 800 ft.
Bias : 620 Ohms pull-up & pull-down (jumpers selectable)
Termination : 120 Ohms (jumper selectable)
Protocol : JBUS or MODBUS (data asyncronos of 8 bits, no
parity bit, 1 stop bit, CRC) - Speed : 1200, 2400, 4800, 9600
baud.
Mounting : on unit Din rail.
Dimensions : 3.7 x 2 in.
Board # 500800/01
16