| Item | 
Specification | 
| Type | 
EH-LNK | 
| Functional specification | 
Number of connected Link module | 
Max. 64 units / 1 loop | 
| Number of mounted units | 
Max. 2 units / 1 CPU ( 2 loops / 1 CPU ) | 
| Number of Link points | 
1,024 words / 1 loop ( 2,048 words / 2 loops ) *1 | 
| Data delivery system | 
Common data area system | 
| Send / Receive distinction on data area allocation | 
Parameter setting from peripheral device | 
| Designation of Station No. | 
0 to 63 ;
 designated by rotary switch | 
| Communication speed | 
1.0 Mbps | 
| Transfer method | 
Half-duplex serial transfer, frame synchronization | 
| Communication method | 
Token passing | 
| Modulation method | 
Base band | 
| Refresh time | 
At the time of transfer of 1,024 words with 64 stations connected -- Approx. 390ms *2 
 | 
| Error check | 
CRC, overrun check, time out, open circuit, parameter error ( dual designation of station No., overlappeds Link area, etc.) | 
| Self - diagnosis | 
System ROM / RAM check, watchdog timer check, transfer loop back check | 
| Transfer path specification | 
Transfer path form | 
Loop type | 
| Cable length | 
Between stations | 
Max. 500m | 
| Total extension | 
Max. 1,000m | 
| Error station processing | 
Bypass system | 
| Recommended cable | 
5D2V with shield or equivalent | 
| Recommended connector | 
413631-1 (made by AMP) or equivalent | 
| Internal Current consumpion | 
5V DC Approximately. 550mA |