VEGA VEGACOM 557 Modbus protocol - Manual (Page 10)

10 VEGACOM 557 Modbus
1.5 Technical data
Power supply
Supply voltage U
nom
= 24 V AC (20 … 53 V), 50/60 Hz or
= 24 V DC (20 … 72 V)
Power consumption approx. 6 VA
Fuse 1 A, slow-blow
Electrical connection
Component multiple plug acc. to DIN 41 612, series F
48 pole (d, b, z) with coding holes
Module in carrier
BGT 596 or BGT LOG 571
suitable multipoint connector acc. to DIN 41 612
with connection via standard technologies
Housing type 505 via screw terminals max. 1 x 1.5 mm 2
Indicating elements
LED in front panel
- green "BA“
Modbus activity
- red failure
- green "on“ operating mode
Meas. data input DISBUS
Data transmission DISBUS (digital data transmission)
Connection cable 2-wire standard cable (shielded)
Cable length max. 1000 m
Measuring data input LOGBUS
Data transmission LOGBUS (digital data transmission)
Connection cable connection via BUS-plug
PC interface
Interface standard RS 232C
Cable length max. 15 m
Transmission rate in baud 300, 600, 1200, 2400, 4800, 9600 9600 9600 9600 9600, 19200, 38400
Transmission format 8 data bits, 1 stop bit, no parity or even
parity
Plug on front panel SUB-D-plug connector, 9 pole, pins
Modbus interfaces
Interfaces RS 232 RS 422 RS 485 TTY
Cable length 15 m 1200 m 1200 m 1000 m
Connection cable 3-wire 5-wire 3-wire 4-wire
twisted in pairs, shielded
Transmission mode serially asynchronous, half-duplex
Transmission rate 300; 600; 1200; 2400; 4800; 9600; 19200;
38400 baud
Galvanic separation up to 0.5 kV
Product description