Binary Input And Output Module - Toshiba GRL100-701B Instruction Manual

3.1.4

Binary Input and Output Module

There are four types of binary input and output module (IO module): These modules are used
depending on the model (see Section 3.1.1).
3.1.4.1 IO1 Module
IO1 provides a DC/DC converter, binary inputs and binary outputs for tripping.
As shown in Figure 3.1.4.1, the IO1 module incorporates a DC/DC converter, 15 photo-coupler
circuits (BI) for binary input signals and 6 auxiliary relays (TP-A1 to TP-C2) dedicated to the
circuit breaker tripping command.
The input voltage rating of the DC/DC converter is 24V, 48V, 110V/125V or 220V/250V. The
normal range of input voltage is −20% to +20%.
The six or three tripping command auxiliary relays are the high-speed operation type and have
one normally open output contact.
DC
(+)
supply
(−)
FG
Binary
input
signals
(× 15)
Line filter
DC/DC
converter
Photo-coupler
BI
BI
BI
BI
BI
Figure 3.1.4.1 IO1 Module
 163 
Auxiliary relay
(high speed)
TP-A1
-
TP-B1
TP-C1
Tripping
command
TP-A2
TP-B2
TP-C2
6 F 2 S 0 8 5 0