56
1MRS 751108-MUM
Protection Relay
Technical Reference Manual, General
REX 521
6. Ordering information
When ordering REX 521 protection relays, specify the following:
• Order number
• Quantity
• Additional language
Each protection relay has a specific order number that identifies the protection relay
type as well as the hardware and the software as described in Fig. 6.-1 below.
The order number is labelled on the marking strip on the front panel of the relay
delivered, for example, Order No: REX521EMHPSM01E.
Fig. 6.-1 Order number of REX 521
English is always available in REX 521. When ordering, the other additional
language must be defined according to the table below.
When ordering REX 521, the latest hardware and configuration revisions are
delivered unless otherwise specified.
Table 6.-1 Display language codes
Code Language combination
FI English-Finnish
SE English-Swedish
DE English-German
ES English-Spanish
FR English-French
PT English-Portuguese
PL English-Polish
OrderNo_b
Display language (see the table about display language codes)
XX
Rear communication: S=SPA/IEC/Modbus/DNP 3.0 L=SPA/IEC/Modbus/DNP 3.0/LON
Revision
Power supply: H = PS_87H, L = PS_87L
Configuration name: B01, B02, M01, M02, H01, H02, H03, H04, H05, H06, H07, H08
Optical connectors for rear communication: P = plastic-fibre, G = glass-fibre
Type of hardware: B = Basic, M = Medium, H = High, S = High sensor
Configuration revision
REX521EMHPSM01E
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