Bosch Rexroth CIMS Mk IV - 6. Technical Data; 6.1. Power Supply; 6.2. RS422 Incremental Position Output; 6.3. RS485 Modbus Diagnostic Output

F 037 300 069 (2013.05.21)
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6. TECHNICAL DATA
6.1. POWER SUPPLY
The CIMS Mk IV measuring system needs a power supply according to following specification:
Category Symbol Min. Typ. Max. Unit
Nominal supply voltage U
N
24 VDC
Supply voltage range (with 5% ripple) U
S
15 32 VDC
Supply current @ 15 VDC I
S
80 250 mA
Supply current @ 24 VDC
(without movement)
I
S
50 155 mA
Non-destructive supply voltage range U
nds
34 V
Power consumption (without movement) P 1,2 3,7 W
Output short circuit protection U
SC
-20 25 VDS
Polarity protection duration VDC and GND 5 min
6.2. RS422 INCREMENTAL POSITION OUTPUT
The table below gives an overview of the EIA RS-422 specification in combination with the CIMS
Mk IV measuring system:
Category Symbol Min. Typ. Max. Unit
Mode of operation differential
Quantity of additional drivers allowed on one line Q
add.driv
0 Driver
Quantity of receivers allowed on one line
(sum of all receivers max. 120)
Q
rec
10 Receivers
Pulse frequency f
p
ulse
410 kHz
Driver output voltage U
driv
0 +6 V
Differential driver output signal level (loaded) U
load
± 1.8 ± 2.5 V
Differential driver output signal level (unloaded) U
unload
± 3.3 ± 4.2 ± 6 V
Driver load impedance R
load
120 Ohm
Power on time T
PON
500 1000 ms
Cable length L
RS422
200 m
6.3. RS485 MODBUS DIAGNOSTIC OUTPUT
The RS485 Modbus diagnostic output specification:
Category Symbol Min. Typ. Max. Unit
Datarate Ω
MODBUS
19,2 kBit/s
Driver load impedance R
load
120 Ohm
Differential receiver input voltage U
rec
-6 +6 V
Differential receiver input sensitivity S
rec
± 200 mV
Cable length LRS485 0 200 m
6.4. OPERATING AND AMBIENT CONDITIONS
Category Symbol Min. Typ. Max. Unit
Velocity of piston rod v
p
4 m/s
Rod diameter Ø
rod
60 mm