ABB TPU2000R - Page 267

TPU2000/2000R Modbus/Modbus Plus Automation Guide
257
Appendix A - TPU2000 Protocol Command Set
Revision 3.1
1 Revision History
Revision Date Author Description
3.1 04/07/98 VAB 3-4-11: maximum CT ratio was 2000 for messages 2/1-4/2.
Maximum VT ratio was 2000 for message 20/1-20/2.