IDEC SmartAXIS Touch FT1A Series, User Manual

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SmartAXIS Touch User's Manual
29-5
1 Touch
29
SmartAXIS Specifications
1.4 External Interfaces
●
Serial Interface (Port)
CAUTION
• Make sure to turn off the power to the Touch before wiring each interface.
• Do not touch the terminals during communication. Doing so may result in electrical shock.
• When keeping power ON, terminals connected to external devices may reach high temperatures. Do not touch
the terminals immediately after turning the power off.
• Do not touch the terminals immediately after turning the power off. Doing so may result in electrical shock.
• Insert and crimp the wire to the end portion of the ferrule.
• Always use ferrules when wiring stranded wire and multiple wires to the terminal block. Otherwise there is a risk
of wires becoming disconnected.
Interface Specification RS232C, RS422/485
Connector Detachable Terminal Block 9 pin
Applicable cable
RS232C: AWG16 to AWG28
RS422/485: AWG16 to AWG28 Shielded twisted-pair
Stripped wire length 7 mm (Solid wire)
Recommended ferrule
AI 0.34-8 TQ (For AWG22, For 1 wire)
AI 0.5-8 WH (For AWG20, For 1 wire)
AI-TWIN2 x 0.5-8 WH (For AWG20, For 2 wires)
(Phoenix Contact)
Tightening Torque 0.25 N•m (Screwdriver SZS 0.4 x 2.5, Phoenix Contact)
No. Name I/O Function Communication type
1 SD OUT Send Data
RS232C
2 RD IN Receive Data
3 RS OUT Request to Send
4 CS IN Clear to Send
5 SG ― Signal Ground
RS422/485
6 SDA OUT Send Data (+)
7 SDB OUT Send Data (-)
8 RDA IN Receive Data (+)
9 RDB IN Receive Data (-)
The Touch is not equipped with terminating resistance. When using the RS422/485 interface, insert
terminating resistance with the appropriate value (around 100 to 120
Ω ) between terminal No. 8 (RDA)
and terminal No. 9 (RDB) as required.