Operation - Bosch rexroth VT-MSPA2-2X/A5/1A5/000 Operating Instructions Manual

Error
No error
Operating UB < UBmin
voltage UB too
low
Operating UB > UBmax
voltage UB too
high
Cable break, (Ucomm = 0 V)
command value error cannot be
0..±10 V recognized;
behavior of the
output stages as
with command value
= 0 V (corresponds
to 0 %)
Cable break, Icomm < 2 mA
command value
+4..20 mA
Overcurrent, Icomm > ca. 35 mA
command value
+4..20 mA [1]
Solenoid cable Error is only
break recognized when >
3.5 %
Overcurrent E.g. short-circuited
solenoid/output solenoid
stages
Serious error Internal parameter
memory (EEPROM)
defective
Serious error Main controller does
not work

9 Operation

Should a fault occur during operation, e.g. a power failure, the VT-MSPA2-2X can
simply be switched on again without further measures and it is then ready for
operation again.
If the VT-MSPA..-2X.. detects an error, a reaction takes place according to the table
below.
Table 14: Error evaluation
LED
Note (red/green)
ready
Permanently
on green
Permanently
on red
Flashing
green
Permanently
on green
Permanently
on red
Permanently
on red
Permanently
on red
Permanently
on red
Permanently
on red
Fast blinking
red & green
The "error" voltage at test jack "v" is automatically output as long as the erroneous
state persists (= LED "ready" is permanently on red).
When the above causes of error are eliminated the amplifier module automatically
resumes operation according to its intended use.
[1] For resetting the overload protection circuit the command value has to be
briefly withdrawn from the module.
In the case of serious errors the module must be replaced.
Operation | Valve amplifier VT-MSPA2-2X
LED
LEDs
(yellow)
(yellow)
"digital
"functions"
input"
Normal Normal
indication indication
Normal Normal
indication indication
Normal Normal
indication indication
Normal Normal
indication indication
Normal Normal
indication indication
Normal Normal
indication indication
Normal Normal
indication indication
Normal Normal
indication indication
Normal Permanently
indication on (all 8)
Fast Fast blinking
blinking (all 8)
RE 30232-02-B, Edition 02.2021, Bosch Rexroth AG
Solenoid
Output
output
"ready"
stages
Normal Normal
operation operation
Switched Switched off
off
Normal Normal
operation operation
Normal Normal
operation operation
Switched Switched off
off
Switched Switched off
off
Normal Switched off
operation
Switched Switched off
off
Switched Switched off
off
Switched Switched off
off
27/36
Output test
jack "v"
Normal
operation
7 V
Normal
operation
Normal
operation
4 V
4 V
6 V
(solenoid
B)
5 V
(solenoid
A)
8 V
9 V
-14 V