Toshiba TCB-SC642TLE - Page 20

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8. Connections with external equipment
9. Memory back up switch
Check the back up switch is ON for back side of central controller PCB.
Designation
Input/output
item
Central controller side Equipment side
Input/output
conditions
Terminal name
Demarcation
terminals
Circuitry
example
Input/output
conditions
Digital
input/output
terminals
Status
output
Operate output
Alarm output
“A” (normally
open) contact
without voltage
Static (relay
output)
Allowable contact
voltage, current:
DC 30 V, 0.5 A
Wiring length:
Max. 100
meters
Control
input
All operate input
All stop input
“A” (normally
open) contact
with voltage
Pulse
(photocoupler
input)
Allowable contact
voltage, current:
DC 24 V, 10 mA
Pulse width:
300 ms or
more
Wiring length:
Less than 100
meters
Operate
Alarm
Output common
CPEV
0.9 to 1.2φ
Digital
input
All operate (+)
Input common (–)
CPEV
0.9 to1.2φ
All stop (+)
+24V
COM
ON OFF
Fig. 18
Back up switch
Back up battery
OI-607-20EG
01_TCB-SC642TLE_EG_II.fm Page 20 Friday, June 25, 2004 3:04 PM