Function: I/O (SPECIAL)

Applicable models: S--420i F/W/L

Function: I/O (SPECIAL)

Applicable models: S--420i R

Function: EE (RDI/RDO)

Applicable models: Integrated type

Function: AS (UER/SIGNAL)

Applicable models: S 420i F/W/S/L

Function: AP (USER/POWER)

Applicable models: S 420i F/W/S/L

Function: I/O (STANDARD)

Applicable models: S--420i F/W/S/L with a integrated control unit

Function: I/O (SPECIAL)

Applicable models: S--420i F/W/S/L with a integrated control unit

Function: I/O (STANDARD)

Applicable models: S--420i F/W/S/L  with a remote control unit

Function: I/O (SPECIAL)

Applicable models: S--420i F/W/S/L  with a remote control unit

Function: AS (UER/SIGNAL)

Applicable models: S 420i R

Function: AP (USER/POWER)

Applicable models: S 420i R

Function: I/O (STANDARD)

Applicable models: S 420i R

Function: I/O (SPECIAL)

Applicable models: S 420i R

Remarks: 22/2000

Remarks: 22/1500