Rear Panel Description
Figure III-2 identifies the rear panel connectors on the DIGITEL™ MPC. Connector pinouts are
given in the tables below.
HV connect - supply 1
safety ground cable
SafeConn connect - supply 1
Optional
SafeConn connect - supply 1
Optional
HV connect - supply 1
ac
input
J112
SER
INTFC
J505
TSP/NEG
CTRL
J104
SET PT
ANALOG
OUT
HI
G
H
V
O
L
T
A
G
E
O
U
T
SA
F
E
T
Y
I
N
T
E
R
L
O
C
K
J501
J502
J503
J504
J404
J403
J402
J401
J507
INPUT POWER
120/220V 50/60 HZ
J112
SER
INTFC
J505
TSP/NEG
CTRL
J104
SET PT
ANALOG
OUT
J506
Figure III-2. Rear Panel Connectors.
J104 SET PT ANALOG OUT
(a 37-pin, female Sub-D connector) provides 8 set point signals,
and 4 voltage/current analog output signals.
Pin
Setpoint Signal
Pin
Analog Output Signal
1
Set Point 1 (Relay)
Common 20 … 28
Unused
2
500 mA, 28V, max.
NC
29
GND2
3
NO
30
Analog HV Supply 1 Output
4
Set Point 2 (Relay)
Common 31
GND2
5
500 mA, 28V, max.
NC
32
Analog Current Output 1*
6
NO
33
GND2
7
Set Point 3 (Relay)
Common 34
Analog Current Output 2*
8
500 mA, 28V, max.
NC
35
GND2
9
NO
36
Analog HV Supply 2 Output
10
Set Point 4 (Relay)
Common * Can be configured for Supply 1 or Supply 2
11
500 mA, 28V, max.
NC
current (I) output – See Analog Outputs.
12
NO
13, 14, 16, 18
GND1
15
Set Point 5 (TTL), 15 mA max.
17
Set Point 6 (TTL), 15 mA max.
19
Set Point 7 (TTL), 15 mA max.
37
Set Point 8 (TTL), 15 mA max.
J505 TSP/NEG CTRL
(a 15-pin, female Sub-D connector) provides the control signals for the
Remote TSP/NEG Control.
Pin
Signal
Pin
Signal
Pin
Signal
1
Current Sense COM
6
SCR Trig Out
11
K2 Coil
2
SCR Trig Pull-up
7
K3 Coil
12
Not Used
3
K4 Coil
8
+15V Return
13
Current XFMR +
4
+15V to TSP
9
Current XFMR –
14
Sync Signal GND
5
Voltage Sense
10
Sync Signal from TSP
15
K1 Coil
Digitel MPC Manual
Page 17 of 72
