3F88L-CR010C Omron, 3F88L-CR010C Datasheet - Page 153

• Manufacturer Part Number: 3F88L-CR010C
• Description: CABLE RESOLVER FOR RS17/T 10M
• Manufacturer: Omron

Specifications of 3F88L-CR010C

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 3F88LCR010C

Communications
4-2
4-2-1 Command Frame
H Transmission Protocol
When receiving a command from the host CPU, the Cam Positioner returns a response frame corre-
sponding to the command. In other words, one response frame is returned in response to one command
frame.
Command and response frames are transmitted as shown in the following illustration.
H Command Frame Structure
STX
Node No.
Subaddress
SID (service ID)
FINS-mini command text
ETX
BCC
(block check character)
Host CPU
(personal computer,
PC, etc.)
3F88L-160/162
Cam Positioner
Command and Response Frames
No. of bytes
STX Node No. Subaddress SID FINS-mini command text (PDU)
(02
Hex)
1
Command frame
“0”
A code signifying the beginning of a communications frame (text). Always
set 02 Hex.
The node number of a Cam Positioner. Always set “00.”
The subaddress of a Cam Positioner. Always set “00.”
Set the number of retries using a value from “0” to “F.” (See note 1.)
Set a service request PDU (protocol data unit). (See note 2.)
A code signifying the end of text. Always set 03 Hex.
Set BCC as the calculation result of exclusive OR of the data from the node
number to ETX.
2
“0”
“0”
2
“0”
1
Response frame
Text
(Refer to 4-3 Command Types.)
Command frame
ETX BCC
(03
Hex)
1
Chapter 4
1
4-5