CHAPTER 3 WIRING, CONNECTION
SEQ |
DC24V |
CMB |
CMB |
DC24V |
COM |
3.3 SPECIFICATION OF TERMINAL
Table
Table 3-3 Specification of terminal
| Terminal | Terminal name |
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| symbol |
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| D15 to D0 |
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| (Hereinafter | Data input terminal | Photo coupler input |
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| called as |
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Input | Dn) |
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| (1a contact signal) |
| Input impedance : 4.7k Ù | |||
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| Strobe terminal |
| Sink source type |
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| Allowable | ||||||
| STRB | (Data take in command |
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| signal terminal) |
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| Sequence | error signal |
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| Between SEQ and CMB | |
| SEQ |
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| Voltage drop at on : less than 4V |
| (Data input error signal | Sink source type |
| Allowable max. voltage : DC27V | ||||||
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Output |
| output terminal) |
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| Allowable max. current : 50mA | ||
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| Common | terminal for | Common | terminal | for |
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| CMB | sequence error signal | sequence | error | signal | output |
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| output |
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| Note) |
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| DC24V power source for |
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| P24B | Power source | terminal | contact input signal |
| Allowable max. current : 90mA | ||||
| for interface |
| In case of selecting source | |||||||
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Power |
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| logic, contact input common. |
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source |
| Power source | terminal | Common | terminal for data |
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| input | terminal, | power | source |
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| CM1 | for interface | Common |
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| for | interface | and | strobe |
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| terminal |
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| terminal Note) |
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Note) Never connect to earth of ground.
3.4 APPLICABLE WIRING
Make sure to use applicable wiring as the following items.
wire that is shield | less than 0.5mm2. |
Connect the wire which peeling length of sheathed signal wire is 5 –
In case of connecting twist wire, make sure not to loose
Use signal wire which max, outside diameter is less than 2.0mm2
5