Yokogawa YFGW710 - Manual (Page 92)

B1-28
IM 01W01F01-01EN
B1.2.5.2 Checking Client/Server Communication between YFGW710
and Field Wireless Device
When the field wireless device has joined the field wireless network, communication between
YFGW710 and the field wireless device is possible.
n Checking Client/Server Communication
When Field Wireless Management Tool refers to the field wireless device parameters and the
data can be referred to correctly, client/server communication is possible.
For details on the operating procedure, refer to C3, “Field Wireless Management Tool” in Part C
of this document.
The following describes the procedure to specify the IDENT_NUMBER information of the field
wireless device to access. For details on the field wireless device parameters and addresses
(TSAP ID, Object ID, and Attribute ID), refer to the user's manual of the device. Set “2” for TSAP
ID for EJX and YTA.
Figure B1-9 Read Object Attribute
n Referring to IDENT_NUMBER
All the devices that support ISA100.11a field wireless communication support IDENT_NUMBER.
(The implementation position of IDENT_NUMBER is TSAP ID=2, Object ID=1, and Attribute
ID=64.) IDENT_NUMBER includes the following information.
Table B1-12 IDENT_NUMBER
Parameter name Type Meaning
Vendor ID U32 Means the device vendor.
00594543 for Yokogawa
Model ID U16 Means the device model.
000C for EJX
Device Revision U16 Means the device revision of the device.
0001 (as of August 2010) or later for EJX