6 — CANopen COMMUNICATIONS
pg. 53
Curtis Model 3401T – August 2022
STANDARD CANOPEN OBJECTS
The following table describes objects required by the CANopen standard:
Name
Index
Sub-Index Description
Read / Write
Values
Data Size
Device Type
1000h
00h
Indicates whether a device follows a
standard CiA device profile.
The 3401T does not follow a standard CiA
profile, so the value is 0.
RO
0
32-bit
Error Register
1001h
00h
Indicates if a fault is active:
0 = No active fault
1 = One or more active faults
RO
0–1
16-bit
Manufacturer Status
Register
1002h
00h
Reserved.
N/A
N/A
Manufacturer Device Name
1008h
00h
Initiates a segmented SDO that uploads the
model name and number as an ASCII string.
RO
String
Manufacturer’s Hardware
Version
1009h
00h
Initiates a segmented SDO that uploads
the hardware version as an ASCII string.
RO
String
Manufacturer Software
Version
100Ah
00h
Reserved
.
Note:
The CDEV and OS Version
parameters indicate the software version.
N/A
N/A
Emergency COB ID
1014h
00h
Indicates the Emergency Message COB-ID:
• 0: The COB-ID consists of the
emergency message function code
(0001b) and the node ID.
• Non-zero: The COB-ID consists of the
emergency message function code
(0001b) and the specified value.
The COB-ID’s four most significant bits
represent the emergency message
function code.
RO
0–16777215
32-bit
Emergency Message Inhibit
Time
1015h
00h
Sets the minimum time that must elapse
before another emergency message can
be sent.
RW
4–100 (which
represents
16–400ms)
32-bit
Heartbeat Rate
1017h
00h
Specifies the cyclic rate of the device's
heartbeat messages.
RW
100–1000
16-bit
Identity Object
1018h
Provides information on the device.
00h
Indicates the size of the object.
RO
0–127
8-bit
01h
Indicates the CiA-assigned identifier of
Curtis Instruments. The identifier is 4349h.
RO
0–2147483647
32-bit
02h
Indicates the device's product code.
RO
0–2147483647
32-bit
03h
Indicates the device's Curtis CAN protocol
version. The upper 2 bytes contain the
major version and the lower 2 bytes
contain the minor version.
RO
0–2147483647
32-bit
04h
Indicates the device's serial number.
RO
0–2147483647
32-bit