Product Description
General Information
|
Parameter |
Value |
|---|---|
|
Manufacturer |
Yokogawa |
|
Model/Part Number |
ALR121-S00 81AOG000802 |
|
Product Description |
Serial Communication Module (RS-422/RS-485, 2 port) |
Hardware Specifications
|
Item |
Specification |
|---|---|
|
Model |
ALR121 |
|
Interface |
RS-422/RS-485 |
|
Connection Method |
Point-to-point (RS-422), Multipoint (RS-485) |
|
Communication Function |
Half-duplex |
|
Synchronization Method |
Start-stop synchronization |
|
Transmission Speed |
1200/2400/4800/9600/19200/38400 bps (*1) |
|
Transmission Code |
ASCII/binary |
|
Character Length |
7/8 bits |
|
Stop Bit Length |
1/2 bits |
|
Parity Check |
None/even/odd |
|
Lag Time After Data Transmission |
1 ms (Time to start receiving data again after data transmission) |
|
Transmission Distance |
Maximum 1200 m (total extended length) |
|
Installation Method |
Mounted on ANB10, ANB11, ANR10, AFF50, AFV10, AFV30, or AFV40 |
|
I/O Wiring |
Cable with 3-pair shield, AKB161, or AKB162 |
|
Wiring Connection |
Clamped with terminal block’s M4 screws (5 poles x 2) |
|
Current Consumption |
0.5A |
|
Weight |
0.3 kg |
Model Variations & Options
Model Variations (Suffix Codes)
|
Suffix Code |
Description |
|---|---|
|
-S |
Standard type |
|
5 |
With no explosion protection |
|
E |
With explosion protection |
|
0 |
Basic type |
|
1 |
With ISA Standard G3 option |