14-4
Chapter 14. Specifications
z
RS-485 communication (optional)
Item Description
Transmission line 3-wire system
Transmission speed 4800, 9600, 19200, 38400 bps
Data length 8 bits / 7 bits
Parity bit Even parity, odd parity, no parity
Stop bits 1 or 2
Communication protocol CPL- and Modbus-compliant
Terminating resistor External resistor (120 Ω, 1/2 W or more)
recommended
Network Multidrop (up to 31 slave stations for 1 host
station)
Communications/synchronization
type
Half-duplex, start-stop synchronization
Maximum cable length 500 m
z
I/O Isolation
Items enclosed by solid lines are isolated from other signals. The presence or
absence of input/output depends on the model. Thick solid lines indicate reinforced
insulation.
Power
Internal circuits
Event outputs 1–3
* On models with independent
contacts, event outputs 1 and 2 have
reinforced insulation.
DIs 1–2
RS-485 communication
CT inputs 1–2
PV input
Loader communication
Control output 1 (relay)
Control outputs 1–2 (voltage pulse,
current)
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Standard conditions
Item Description
Ambient temperature 25 ±3 °C
(provided there is a space of 2 cm below the
product)
Ambient humidity 60 ±5 % RH (without condensation or freezing)
Power 105 V AC ±10 %
Power frequency 50/60 Hz ±1 Hz
Vibration 0 m/s
2
Shock 0 m/s
2
Mounting angle Reference plane ±3°
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