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Chapter 2
Specifications
2.2
Functional specifications
Functional specifications are shown in Table 2.2. The compact remote modules have remote functions almost equal to
remote modules (RIOH-TM/RIOH-TL) for H-200/250/252B/252C series and remote modules (RIOM-TM/RIOM-TL)
for EM/EM-II series.
The compact remote modules have communication-compatibility with the remote I/O for EM/EM-II and
H-200/250/252B/252C and the remote I/O MINI for current H-2002/1002/702/302, and you can use an existing cable.
Therefore, you do not need to rewire the cable in replacement from these series.
Item
Usable CPU
Connection modules
Number of I/O points
Refresh time
Self-diagnosis
Fallback operation
I/O assignment (Note 1)
Mountable module on slave
base (Note 2)
Consumption current
Transmission speed
Transmission mode
Insulation, modulation method
Transmission error check
Error display
Connection mode
Cable length
Error station processing
Cable
Recommended
cable
(made by
Hitachi cable)
Applicable connector
(Note 1) "Remote 2" is unavailable to EH-CPU104A/208A/316A. Always use "4W/4W" for these. There is no function for the
read I/O assignment and copy. Set I/O assignment for remote slave by a programming software.
(Note 2) Please refer to "2.5 Supporting module list in salve station" for detail.
Table 2.2 Functional specifications
EH-CPU104A/208A/316A/516/548, EHV-CPU16/32/64/128
Remote master module: Maximum 4 units / CPU (I/O assignment: "Remote 2")
Available (Even if a slave module is failed or powered off, it is possible to continue
communication between a master module and other slave modules)
8-point, 16-point I/O module (I/O assignment is "X16" or "Y16")
32-point/64-point module, analog I/O module, and high-performance module,
communication modules, etc. cannot be mounted on the slave base.
EH-TRMME: Approximately 150mA, EH-TRMLE: Approximately 150mA
0.3mm
Existing
0.75mm
0.3mm
New
0.75mm
Specifications
Remote slave module: Maximum 8 units / Master
256 points/master (I/O assignment: "Remote 2"),
128 points/master (I/O assignment: "4W/4W")
2.5ms/256 points (HS: ON), 5.4ms/256 points (HS: OFF)
SRAM check, WDT check, Loop back check
Master: "Remote 2" or "4W/4W", Slave: No assignment
Dummy module (I/O assignment is "Empty 16")
768kbps
Half-duplex serial transfer, frame synchronization
Trans insulation, bipolar pulse modulation
Reverse double-transmission, time-out
LED, special internal output
Multi-drop system
Between stations: 150m (0.3mm 2 ) / 300m (0.75mm 2 )
Total length: 150m (0.3mm 2 ) / 300m (0.75mm 2 )
Slave station: Bypass system
Shielded twist-pair cable
2
cable: CO-SPEV-SB(A)-1P-0.3SQ (Terminator 100Ω)
2
cable: CO-EX-SX-1P-0.75SQ (Terminator 150Ω)
2
cable: CO-SPEV-SB(A)-1P-0.3SQ LF (Terminator 100Ω)
2
cable: CO-EX-SX 2×0.75SQ LF (Terminator 150Ω)
BL3.5/6F attached (made by Weidmuller)
2 – 2
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