Hitachi HF-W2000 Instruction Manual page 174

5. SPECIFICATION
(3) Recommended EXT cable specifications
1. For connection, the following cable is required.
Model: HJ-7805-C1-XX, where the XX part shows the length. (*1)
D-sub 25-pins
female
(*1) The maximum cable length is 30 m.
(*2) To connect a cable shield, beside the cable, you must provide a shielded grounding bar dedicated for
a shielded wire connection.
2. When a user makes a cable, the user must follow the specifications below.
25 13
14 1
(*) The shielded grounding of the cable must firmly contact the conductor of the plug case (frame ground).
(Do not connect a GND pin of the EXT port to the shielded grounding because all GND pins are signal
ground. If you do so, the equipment may malfunction.
● Cable specification (recommended cable)
Maximum cable length
Electric shield of the cable
Shielded grounding (*2)
EXT-side connector
Plug case
Exterior View of the External Controlt Cable and Connector
Item
Cable (*)
Specifications
30 m
Required
5-26
M4 solderless
terminal
Connector shape
on the user
equipment side:
Align it to the
user equipment.
Note
Connected to the frame
ground