CDN36X User Manual
revision 1.30
SERIAL TRANSMIT OBJECT
The Serial Transmit Object instances receive data from DeviceNet master in the I/O Command
Message, convert it and transmit the resulting message out the serial channel.
Serial Transmit Object
Class Code 66 (0x42)
Class
Attribute
Access Name
Type
Value
1 Get
Revision
UINT
1
2
Get
Max Object Instance
UINT
8
6 Get
Max
Class
Identifier
UINT
7
7 Get
Max
Instance
Attribute UINT
15
Instance
Attribute
Access Name
Type
Value
3
Get/Set Transmit Data
Data Type
Message data to transmit. Received in I/O Command
Message.
4
Get/Set Transmit Toggle
BOOL
User app toggles (0-1, 1-0) to indicate new Transmit
Data value.
5
Get
Transmit Acknowledge BOOL
Gateway sets this bit to match Transmit Toggle when
the latest Transmit Data message has been sent.
6
Get/Set Transmit Mode
USINT
Bit 0 – use Data
Bit 1 – use String1 before data
Bit 2 – use String2 before data
Bit 3 – use String1 after data
Bit 4 – use String2 after data
7
Get/Set String1
Short_String String of 1-9 bytes.
8
Get/Set String2
Short_String String of 1-9 bytes.
9
Get/Set Data Type
USINT
194 (0xC2) = SINT (1 byte)
195 (0xC3) = INT (2 bytes)
198 (0xC6) = USINT (1 byte)
199 (0xC7) = UINT (2 bytes)
202 (0xCA) = REAL (4 bytes)
218 (0xDA) = Short String (Data Size bytes)
10 Get/Set
Data
Size
USINT 1-128
11 Get/Set
Width
USINT 1-16
12 Get/Set
Precision
USINT 0-6
13
Get/Set Conversion
USINT
Bit 0 – hex (0 for decimal, 1 for hex)
Bit 7 – use leading zeros to pad number
15
Get/Set Data In I/O Command BOOL
0 = no, 1 = yes
Common Services
Service Code
Class
Instance
Service Name
05 (0x05)
No
Yes
Reset
14 (0x0E)
Yes
Yes
Get_Attribute_Single
16 (0x10)
No
Yes
Set_Attribute_Single
MKS Instruments, Inc.
D.I.P. Products Group
51