Flowserve MX-100 Field Unit User Manual
Page 53
53
MX/DDC-100 Field Unit Installation and Maintenance FCD LMENIM2329-01 – 03/11
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Figure A.1 (2 of 2) – Typical MX/DDC-100 wiring diagram
REMOTE WIRING CONNECTIONS
CLOSE
STOP
OPEN
CLOSE
STOP
OPEN
CLOSE
STOP
OPEN
SEE NOTE 5
SEE NOTE 5
SEE NOTE 5
[Open,Stop,Close Only]
32
29
32
29
29
32
33
31
30
34
24 VDC
25
32
29
28
21
22
24
23
28
29
32
25
110 VAC
34
30
31
33
33
31
30
34
AC/DC
24-110 V
AC/DC
0 V
25
32
29
28
SEE NOTE 4
positive common
configured as
Remote inputs
(+) POS. COMMON
(-) NEGATIVE COMMON
SEE NOTE 4
SEE NOTE 4
3-WIRE
4-WIRE
INHIBIT
ESD
27
25
27
26
25
35
34
30
28
27
25
24
28
23
27
26
25
33
24
28
23
27
25
22
28
21
27
26
25
22
28
21
31
28
35
34
30
24
24
35
34
30
22
22
31
21
33
21
CLOSE
STOP
OPEN
DIG COM #1
27
26
25
28
0 VAC
110 VAC
+24 VDC
0 VDC
23
24
22
21
33
23
31
23
0 V
AC/DC
24-110 V
AC/DC
0 V
AC/DC
24-110 V
AC/DC
0 V
AC/DC
24-110 V
AC/DC
0 V
AC/DC
24-110 V
AC/DC
OPEN INHIBIT
CLOSE INHIBIT
ESD
EXTERNAL SUPPLY
34
35
30
Configurable SET-UP to give;
Either
-OPEN/CLOSE push-to-run
(inching) mode OR
-OPEN/CLOSE push and release
(maintained) mode with mid-
travel reversal
(Stop before reverse)
OPEN/STOP/CLOSE
Push-and-release
(maintained) MODE
with mid-travel
reversal and
mid-travel stop
Configurable during
SET-UP to give;
interlock/inhibit on
maintained open or
close contacts
Configurable during SET-UP
to give following modes of
ACTIONS on receipt of a
maintained ESD signal:
CLOSED/OPEN/STOP/IGNORED
(OPTIONAL)
INTERNAL
SUPPLY
24 VDC
INTERNAL
SUPPLY
110 VAC
TERMINAL
POINT
EXTERNAL
SUPPLY
24 TO 110
VAC/VDC
FUNCTION
DIG COM #2(A)
DIG COM #3(A)
29
32 33
31
26
22
25
34
35
30
}
OPEN
CLOSE
STOP
1. THE 3 REMOTE WIRING GROUPS ARE ELECTRICALLY ISOLATED INTERNALLY.
SINGLE OR MULTIPLE POWER SOURCES MAY BE SELECTED TO INDIVIDUALLY
POWER EACH GROUP. IF MULTIPLE SOURCES ARE USED, ENSURE THAT POLARITIES
ARE CORRECT.
2. ONLY A SINGLE POWER SOURCE MAY POWER ANY ONE GROUP.
3. COMMONS MAY BE CONNECTED TOGETHER AS NEEDED.
4. REMOTE INPUTS SIGNAL THRESHOLD
MINIMUM “ON” 19.2 VAC/DC
MAXIMUM “OFF” 5.0 VAC/DC
MAX LOAD - 10 mA / 110 VAC
2 mA / 24 VDC
5. COMMAND PRIORITY
MODUTRONIC COMMAND WILL OVERRIDE 3 AND 4 WIRE COMMANDS.
INHIBIT AND ESD SIGNALS WILL OVERRIDE MODUTRONIC COMMANDS.
24 VDC
TO
120 VAC
LIMIGARD CONFIG
WIRING
NOTES: