Endress+Hauser Proline Promass 83 Consignes De Sécurité page 22

0
<
22
Input/output circuit
c
b
Esc
-
a
Fig. 2: Input/output circuit
A Transmitter housing (compact or remote version)
a Power supply cable (see Fig. 1)
b Power supply cable for external termination
c MODBUS RS485 bus cable
d Ground terminal for protective earth
e Ground terminal for the power supply cable for external termination and the MODBUS RS485 bus cable
f Securing clamp
g Connection compartment cover
!
Note!
The table below contains the values which depend on the type code (type of device). Always remember to
compare the type code in the table with the code on the nameplate of your device.
Terminal assignment according to the type code
Type code
Promass
20 (+)
83***-***********Q
83***-***********7 Current output
83***-***********N Relay output 2
Intrinsically safe circuit
U
m
I
m
Functional values of the input/output circuit
Input/output circuit Functional values
MODBUS RS485 Operating voltage: U
Current output galvanically isolated
• aktive: 0/4...20 mA; R
• passive: 4...20 mA; supply voltage V
Pulse/Frequency output galvanically isolated
• aktive: 24 V DC, 25 mA (max. 250 mA during 20 ms); R
• passive: Open Collector, 30 V DC, 250 mA
• Frequency output
Full scale frequency: 2...10000 Hz (f
on/off ratio 1:1; pulse width max. 2 s
• Pulse output
pulse value and pulse polarity selectable
pulse width configurable (0,05...2000 ms)
Relay output 1 normally open (NO or make) contact
galvanically isolated
max. 30 V / 0,5 A AC; 60 V / 0,1 A DC
Relay output 2 Normally closed (NC or break) contact
galvanically isolated
max. 30 V / 0,5 A AC; 60 V / 0,1 A DC
Status input galvanically isolated
U = 3...30 V DC; R
g
A
r
+ E
f
Terminal assignment
21 (–) 22 (+) 23 (–)
– –
Pulse/Freq. output
Relay output 1
= –7 bis +12 V
Bus
max. 700 Ω
L
= 3 kΩ
i
Proline Promass 83 MODBUS RS485
F06-x3xMBxZZ-04-06-08-xx-001
24 (+) 25 (–) 26 (+)
– MODBUS RS485
Status input MODBUS RS485
Status input MODBUS RS485
no
260 V AC
500 mA
≥ 150 Ω
= 18...30 V DC; R
S i
> 100 Ω
L
= 12500 Hz)
max
Endress+Hauser
c
e
b
d
a
27 (–)