Technical Description; Hardware Description - Toshiba GRL150-100 Series Instruction Manual

3. Technical Description

3.1 Hardware Description

3.1.1 Outline of Hardware Modules
The case outline of GRL150 is shown in Appendix E.
The hardware structure of GRL150 is shown in Figure 3.1.1.1.
The GRL150 relay unit consists of the following hardware modules. These modules are fixed in a
frame and cannot be taken off individually. The human machine interface module is provided with
the front panel.
• Power module (POWD)
• Signal processing module (SPMP)
• Human machine interface module (HMI)
The hardware block diagram of GRL150 is shown in Figure 3.1.1.2.
Handle for relay
withdrawal
SPMP
HMI
IN SERVICE
VIEW
TRIP
ALARM
RESET
A B 0V
CAN
CEL
END
Figure 3.1.1.1 Hardware Structure without Case
ENTER
⎯ ⎯
52
6 F 2 S 0 8 2 8
POWD