Use; Specifications; System Specifications; Line Specifications - Hitachi S10mini Hardware Manual

2 SPECIFICATIONS

2.1 Use

The J.NET module (type: LQE040) performs data communication between station units (e.g.,
J.STATION); it does not support message write and read services. This module can be connected
to networks conforming to field network level 1 for JEMA standard programmable controllers.
2.2 Specifications

2.2.1 System specifications

Type
Number of networks
Maximum number of J.NET modules
that can be mounted in the CPU
Weight

2.2.2 Line specifications

Transmission method
Electrical interface
Number of stations
Connection cable
Item
Item
Line type
Distance
Terminal
block
Specifications
LQE040
2 networks/module
2 (Insert J.NET modules sequentially into the slots, starting
from the leftmost slot, without creating any empty slots in
between.)
260 g
Specifications
Serial transmission (bit serial transmission)
RS-485
Up to 31 stations/network (62 stations/module)
Two pairs of twisted-pair shield cables
Recommended cable: KPEV-SB 2P 0.5mm
(Hitachi Cable, Ltd.)
The distance depends on the transmission rate as follows:
Transmission rate ≤1.0 Mbps: Up to 240 m
Transmission rate ≤ 0.5 Mbps: Up to 480 m
Transmission rate ≤ 0.25 Mbps: Up to 800 m
Transmission rate ≤ 0.125 Mbps: Up to 1000 m
11-point terminal block (M3 × 11)
2-2
2