IMCB03-E3
1
1. SPECIFICATIONS
Interface
: Based on EIA standard RS-485
Connection method
: 2-wire system, half-duplex multidrop connection
Communication distance:
1 km (max.)
* However, the maximum communication distance varies slightly
with the surroundings such as cables etc.
Synchronous method
: Start/stop synchronous type
Communication speed:
2400 bps, 4800 bps, 9600 bps, 19200 bps
Data type:
Start bit: 1
Data bit: 7 or 8
Parity bit: Unused or Used (Odd number or even number)
Stop bit: 1 or 2
Protocol:
ANSI X3.28 subcategory 2.5, A4
Polling/selecting type
Error control :
Vertical parity (With parity bit selected)
Horizontal parity (BCC check)
Maximum connection:
32 sets including a host computer
Communication code:
ASCII 7-bit code
Termination resister:
100 ! or more (Externally connected)
Xon/Xoff control:
None
Signal logic:
Signal voltage Logic
V (A) > V (B) 0 (Space status)
V (A) < V (B) 1 (Mark status)