Curtis Instruments AC F4-A User Manual

2 — INSTALLATION AND WIRING
pg. 21
Return to TOC Curtis AC F4-A Motor Controller – August 2020
CAN Ports
Two CAN ports are available. Each CAN port requires a unique Node ID and they can operate at dierent
baud rates. Both isolated CAN and non-isolated CAN port models are available (see Appendix E).
On the non-isolated CAN models, both ports share the controller internal power supply and I/O
ground (B–) reference. On these models, enable the CAN1 port’s internal 120Ω termination by
externally connecting pins 21 and 34 together (See Figures 6 and 7). e CAN2 port does not have
internal 120Ω termination.
e isolated CAN models provide an isolated ground (see Figures 6 and 7a). e isolated CAN
models do not have internal 120Ω terminated. e isolated CAN models do not use pin 21.
e supported protocol is CANopen Physical layer ISO 11898, including the 11-bit and 29-bit
identier protocols. For applications with multiple third party devices, refer to the CANopen Physical
Layer for the recommended bit timing settings and bus lengths based upon baud rate.
Use Port 1 (CAN1) for the communication channel with the Curtis Integrated Toolkit
TM
(CIT) program
and the 1313 HHP programmer. See Appendix D for the CAN port hardware conguration to utilize
these programming tools. is applies to both non-isolated and isolated CAN controller models.
ere are 30 CAN receive mailboxes and 20 CAN transmit mailboxes. ese are shared between
both CAN ports.
Attempting to assign more that this using the Assign_CAN_Mailbox() function will return an error.
See the System Information le.
ere are four TPDO and four RPDO mailboxes, each for CAN Port 1 and Port 2. See the CAN
Interface and CAN Interface 2 menus in Programmer.
Table 11 CAN Ports Electrical Specifications
CAN Port Pin
Baud Rate
(bps)
Input
Impedance
CAN Termination
CAN1 High 23 –1 = 110k
0 = 125k
1 = 250K
2 = 500K
3 = 800K
4 = 1M
> 1k Ω
<1000pF
Non-isolated CAN:
Internal 120Ω. Requires
connecting pins 21 and 34
together (external jumper).
Else, non-terminated.
Isolated CAN:
No internal termination.
CAN1 Low 35
CAN2 High 21 Non-isolated & isolated CAN:
No internal termination.
CAN2 Low 34
VCL Functions VCL Monitor Variables
Assign_CAN_Mailbox ( )
Setup_CAN_Transmit_Mailbox ( )
Setup_CAN_Transmit_Data ( )
Get_Tramsmit_Counter ( )
Get_Tramsmit_Status ( )
Clear_Transmit_Status ( )
Enable_Transmit_Mailbox ( )
Disable_Transmit_Mailbox ( )
Get_Fault_CAN_Id ( )
Send_Mailbox ( )
Setup_CAN_Receive_
Mailbox ( )
Setup_CAN_Receive_Data ( )
Get_Received_Counter ( )
Get_Received_Status ( )
Clear_Received_Status ( )
Enable_Receive_Mailbox ( )
Disable_Receive_Mailbox ( )
Get_Receive_Timeout ( )
Clear_Receive_Timeout ( )
Get_Receive_ID ( )
CAN_NMT_State
Quick Links:
Fig 6 p.10
Fig 7 p.11
Fig7a p.12
Appendix D p.195
Appendix E p.205

Curtis Instruments AC F4-A Specifications

General

Brand	Curtis Instruments
Model	AC F4-A
Category	Controller
Language	English