Hitachi EH-150 Series - Chapter 2 Specification; General Specification

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Chapter 2 Specification
The general specification and transmission specification of EH-SIO are shown below.
2.1 General specification
Table 2.1 General Specification
ITEM
SPECIFICATION
Operating temperature
0 to 55C
Preserving temperature
–10 to 75C
Operating humidity
No condensation 5 to 95% RH
Preserving humidity
No condensation 5 to 95% RH
Current consumption
5V DC Approx. 250 mA
Mounted slot position
Basic base, Expansion base
(Not possible on remote base. (EH-IOCD(2), EH-IOCP(2), EH-IOCA))
The number of mounting
With no restrictions until maximum of I/O numbers.
(In case of Modbus slave mode, Hi-Protocol mode*
1
*
2
, Simple Data Link
mode*
1
, Max. 8 units)
Number of occupation permitted
I/O points.
128 points.
I/O assignment
LADDER EDITOR Word 4W/4W
Control Editor X4Y4W(SIO)
Unusual detection
Processor abnormal, Watch dog timer error, System ROM/RAM abnormal,
Communication data error ( parity error, framing error, over run, and so on.)
Supported communication mode
Free protocol, Modbus (RTU/ASCII*
1
) master / slave,
Hi-Protocol (Transmission control procedure 1*
1
/ 2*
2
),
Simple Data Link*
1
*1 : This function supported from software ver. 2.0.
*2 : This function supported from software ver. 2.1.
« Note »
 Total current consumption can be over the capacity of power supply module depending on module configuration. Be
sure to check that the total current is less than the maximum output current of power supply module.
 In order to use a part of function of EH-SIO supported by software ver. 2.0, CPU module corresponding to this
function is required. Please refer to "1.3 Supported CPU module" for details.