EBARA A70W Instruction Manual page 37

Table 4.5 Pin Assignment (Do not connect wires to unassigned pins.)
No Signal name
1 MP start
2 BP start *6
3 ALARM/TRIP Reset
4 MP Stop
5 BP Stop *6
6 COM of 1-5
7
8 Emergency Stop *3
9 COM of 8
10
11 MP Operation
12 BP Operation *6
13
14 COM of 11-12
15
16
17
18
19 TRIP/Collective
20 COM of 19
21
22 ALARM/Collective
23 COM of 22
24
25
MP = Main Pump, BP = Booster Pump.
Models A25S, A10S, A07V do not have a BP.
[NOTE]
*1 Dipswitch No. 5 selects external start / stop signal type.
Off : Alternate signal (Use only Pins 1 and 2.)
On : Pulse signal
Change Pins 1 and 2 to momentary signals with Dipswitch No. 5.)
In remote mode, select pump operation "according to signal" or "automatically stop" with
Dipswitch No.4.
Use Dipswitch No.8 to configure remote BP operation as "automatic" or "according to
signal."
*2 Input signal duration for Pin No. 3 (ALARM / TRIP Reset) and Pins No. 1, 2, 4, and 5
(Momentary Start / Stop) is 200ms.
*3 Pins No. 8 (Emergency Stop Switch), 34 (Water Leakage), and 35 (Exhaust Pressure)
are for options. Pin No. 8 (Emergency Stop Switch) output remains OFF until the switch
is closed and a RESET signal is entered.
*4 Dipswitch No.2 selects observation of cooling water and N
"operating period only."
I/O Signal type
IN N.O., Alternate *1
IN N.O., Alternate *1
IN N.O., Momentary *2
IN N.O., Momentary *1
IN N.O., Momentary *1
IN
OUT N.C., Alternate
OUT
OUT N.O., Alternate
OUT N.O., Alternate
OUT
OUT N.C., Alternate
OUT
OUT N.C., Alternate
OUT
(Use Pins 1 and 2 for start and Pins 4 and 5 for stop,
No Signal name
26 REMOTE/LOCAL
27 Casing Temp. (TRIP)
28 MP Motor Temp. (TRIP)
29 BP Motor Temp. (TRIP) *6
30 MP Overload (TRIP)
31 BP Overload (TIRP) *6
32 Phase Error (TRIP)
33
34 Water Leak (TRIP) *3
35 Exhaust Press. (TRIP) *3
36
37 Water Flow (ALARM) *4
38 Sealing N Flow (ALARM) *4
2
39 Dilut. N Flow (ALARM) *4 *5
2
40 Casing Temp. (ALARM)
41 MP Current (ALARM)
42 BP Current (ALARM) *6
43 Oil Level (ALARM)
44
45 Bearing Temp. (ALARM) *6
46
47
48
49
50 COM of 26-45
I/O Signal type
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT N.O., Alternate
OUT
gas flow as "always" or
2
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