3. terminal signal chart – RKI Instruments RM-5000 Series Multi-Unit Case User Manual
Page 11

3 Product Components
3-3. Terminal signal chart
- 11 -
RM-5000 Multi-unit Case
(7)
A (1)
(8)
T.ALM1
Common
first alarm
contact
output
RS-485
input-output
B (2)
(9)
Buzzer stop
signal input
EX.
BZ-STOP
(3)
(10)
T.ALM2
Common
second
alarm
contact
output
Test input
EX.TEST
(4)
(11)
+ (5)
(12)
T.FAULT
Common
fault alarm
contact
output
24 VDC
output
- (6)
(13) EX.RESET
Reset signal
input
Grounding
terminal
FG
(14)
COM
Common
(7)
(L) (1)
(8)
ALM1
First alarm
contact
output
AC power
supply for
pump
(N) (2)
(9)
(3)
(10)
ALM2
Second
alarm
contact
output
(4)
(11)
(5)
(12)
FAULT
Fault alarm
contact
output
Detector head
DETECTOR
(6)
(13) +
Grounding
terminal
FG
(14) -
4 - 20 mA
output
3-3. Terminal signal chart
Power input terminal plate
Terminal plate for buzzer unit
Terminal plate for indicator/alarm unit
* The RS-485 input-output depends on the specifications of the indicator/alarm unit.
(1) (2) (3)
Power input
100 to 240 VAC
50/60 Hz
Power supply unit