ABB RET670 User Manual

IEC08000084 V1 EN
Figure 4: 1/1 x 19” case with medium LCD
4.2 Keypad
The keypad is used to monitor and operate the IED. The keypad has the same look
and feel in all IEDs. LCD screens and other details may differ but the way the keys
function is identical.
IEC05000153 V1 EN
Figure 5: The HMI keypad.
Table 1 describes the HMI keys that are used to operate the IED.
Section 4 1MRK504114-UEN E
Understand the IED local human-machine interface
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Operator's manual

ABB RET670 Specifications

General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection