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9.2.3. RS-485 (AD4410-03)
Optionally installed on the AD-4410.
Signal form
Baud rate
Data bits
Parity
Start bit
Stop bit
Signal wire
Drop number
Terminator resistor : 120Ω (Can select internal connection)
Character code
Connector
Connection
Pin No.
Signal name
1
2
4
6,7
3,5
Shell
* Do not connect to the current loop output.
* Depending on the model, the A and B terminals of the RS-485 may be reversed.
* When there is no signal ground for the RS-485, there is no need to wire the SG
terminal
* Connect to the FG terminal when a shield connection is required.
C.L./OP internal circuit
Adaptive connector JA-TCP0576 (provided)
RE/DE
AD-4410
: EIA RS-485 compliant
: 600, 1200, 2400, 4800, 9600, 19200, 38400 bps
: 7 or 8 bits
: 1 bit, Even or Odd (Data bits 7 bits)
None (Data bits 8 bits)
: 1 bit
: 1 bit
: Twin wires method
: Up to 32
: ASCII, JIS 8
: 7 pin DIN connector
Direction
A
I/O
B
I/O
SG
-
FG
-
Internal circuit of the
AD4410-03 RS-485
Fig.12 Option internal circuitry (AD4410-03)
Transmission data
Received data
Signal ground
Not used (No connection)
Current loop output
Shield
A
B
SG
NC
Shell
FG
Page 52
Description
NC
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