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Product Information / Produktinformation A6312
Rotational Speed Monitor
d
2
UN+ (+24V)
4
A (RS 485)
6
Supply2+ (sensor)
8
AIN2− (Input)
10
AIN2+ (Input)
12
PU1 (24V−pull up pulse1)
14
Pulse1−C (collector)
16
Pulse2−C (collector)
18
PU 2(24V−pull up pulse2)
20
Reset peak value 1
22
NC
/ Test2
(MMS6310)
24
SC−A (oper. principle GW2)
26
GW1−D−C (danger1 collector) GW1−A−C (alert1 collector)
28
GW1−D−E (danger1 emitter)
30
GW2−D−C (danger2 collector) GW2−A−C (alert2 collector)
32
GW2−D−E (danger2 emitter)
Jumper RS 485
RS 485 bus operation requires an electrical terminator on the first and last bus device.
This is done with plug−in jumpers, that are on the controller board. The figure shows the position
of the jumpers.
To activate the bus terminator and to place lines "A" and "B" on the references, plug the jumpers
as shown in Fig. b). Fig. a) shows the jumper position for deactivated bus termination and open
references (delivery status).
•
Plug−in jumper 1−2 closed:
•
Plug−in jumper 3−4 closed:
•
Plug−in jumper 5−6 closed:
U− (0V/Common)
GND (BP, Common, RS 485)
Supply1− (sensor)
Supply2− (sensor)
GND
GND
Pulse1−E (emitter)
Pulse2−E (emitter)
I1− (current output common)
I2− (current output common)
GND
(MMS6312)
GND
GW1−A−E (alert1 emitter)
GW2−A−E (alert2 emitter)
Bus line "B" via pull−down resistor on ground
120 Ω Resistor between "A" and "B"
Bus line "A" via pull−up resistor on +5 V
b
UB+ (+24V, redundant)
B (RS 485)
Supply1+ (sensor)
AIN1− (Input)
AIN1+ (Input)
NC
(MMS6310)
Pulse1−TTL
Pulse2−TTL
I1+ (current output CH1)
I2+ (current output CH2)
ES (external lock)
SC−D (oper. principle GW1)
CC1−C (ch. clear1 collector)
CC1−E (ch. clear1 emitter)
CC2−C (ch. clear2 collector)
CC2−E (ch. clear2 emitter)
Page 10
z
2
4
6
8
10
/ Test1
12
(MMS6312)
14
16
18
20
22
24
26
28
30
32
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