Hitachi hitachi series inverter 用户手册

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21 
Control Logic Signal Specifications 
The control logic connectors are located just behind the front housing cover. The relay 
contacts are just to the left of the logic connectors. Connector labeling is shown below. 
 
 
 
 
 
 
 
 
Terminal Name 
Description 
Ratings 
P24 
+24V for logic inputs 
24VDC, 100mA. (do not short to terminal L) 
PLC 
Intelligent input common 
To change to sink type, remove the jumper 
wire between [PLC] and [L], and connect it 
between [P24] and [PLC]. In this case, 
connecting [L] to [1]~[7] makes each input 
ON. Please remove the jumper wire when 
using external power supply. 


3/GS1 
4/GS2 
5/PTC 

7/EB 
Discrete logic inputs 
(Terminal [3],[4],[5] and [7] 
have dual function. See 
following description and 
related pages for the details.)
27VDC max. (use PLC or an external supply 
referenced to terminal L) 
GS1(3) 
Safe stop input GS1 
GS2(4) 
Safe stop input GS2 
Functionality is based on ISO13849-1 
See appendix for the details. 
PTC(5) 
Motor thermistor input 
Connect motor thermistor between PTC and 
L terminal to detect the motor temperature. 
Set 19 in C005. 
EB(7) 
Pulse train input B 
2kHz max. 
Common is [PLC] 
EA 
Pulse train input A 
32kHz max. 
Common is [L] 
L (in upper row) *1 
GND for logic inputs 
Sum of input [1]~[7] currents (return) 
11/EDM 
Discrete logic outputs [11] 
(Terminal [11] has dual 
function. See following 
description and related pages 
for the details.) 
50mA max. ON state current, 
27 VDC max. OFF state voltage 
Common is CM2 
In case the EDM is selected, the functionality 
is based on ISO13849-1 
4VDC max. ON state voltage depression 
12 
Discrete logic outputs [12] 
50mA max. ON state current, 
27 VDC max. OFF state voltage 
Common is CM2 
CM2 
GND for logic output 
100 mA: [11], [12] current return 
AM 
Analog voltage output 
0~10VDC 2mA maximum 
EO 
Pulse train output 
10VDC 2mA maximum, 32kHz maximum 
L (in bottom row) *2  GND for analog signals 
Sum of [OI], [O], and [H] currents (return) 
OI 
Analog current input 
4 to 19.6 mA range, 20 mA nominal, 
input impedance 100 
Ω 
Analog 
output 
Logic inputs 
Logic 
output 
Jumper wire 
PLC 
Analog 
input
Pulse 
Train 
input 
Pulse 
Train 
output 
RS485 
comm.
RS485 
comm.
P24 
SN  7 
12  11 
AM  CM2 
OI  L 
H  O 
EA 
SP  EO 
AL2 AL1 AL0 
Relay 
contacts