
R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
16/46
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
4.1.2 Control unit (CSS)
Control unit (CSS) includes a control board with five board slots for option boards and a control keypad
for parameter adjustments. Inverter uses only one of the existing slots and is used to connect I/O
extension board. The CSS is connected to PSS through a connector.
Green Red Status
ON OFF Everything is OK.
blinking ON Fault
blinking blinking In process of software downloading
RED
GREEN
K
E
Y
P
A
D
I
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O
E
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B
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ANALOG TERMINAL
ROA1
ABCD
ANALOG TERMINAL
4.1.3 I/O Extension board
NXOPTB9 / I/O Extension board ID: 52305691
Terminal Signal name Description
1 DID1 42-240Vac 50/60Hz
2 DID2 42-240Vac 50/60Hz
3 DID3 42-240Vac 50/60Hz
4 DID4 42-240Vac 50/60Hz
5 DID5 42-240Vac 50/60Hz
6 COM Common for DID1-DID5
7
ROD1
8 ROD1
Relay output, 250V 8A, normal open
For brake contactor control
LED Blinking Status
Yellow 0.25Hz OK
Yellow 4Hz
Board internal fault or communication fault with control
unit
YELLOW
1234 5678
4.2 Control voltage transformer
Power of control voltage transformer has to be n * 50VA + 50VA (min. 250VA), n = number of inverters.
This power does not have to be added to otherwise needed transformer power.
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