Lake Shore Model 340 Temperature Controller User’s Manual
Service
11-3
5
4
3
2
1
15
14
13
12
DIGITAL I/O
8
7
6
11
10
9
340-11-3.eps
Pin
Symbol
Description
Type or Limit
1
DO1
Digital Output 1
TTL Output
2
DO2
Digital Output 2
TTL Output
3
DO3
Digital Output 3
TTL Output
4
DO4
Digital Output 4
TTL Output
5
DO5
Digital Output 5
TTL Output
6
Reserved/DI6 Acting as Digital Input 6
TTL Input
7
+5 V
+5 Volts Output
100 mA max
8
+15 V
+5 Volts Output
50 mA max
9
DI1
Digital Input 1
TTL Input
10
DI2
Digital Input 2
TTL Input
11
DI3
Digital Input 3
TTL Input
12
DI4
Digital Input 4
TTL Input
13
DI5
Digital Input 5
TTL Input
14
-15 V
-15 Volt Output
50 mA max
15 Gnd
Ground
-
Figure 11-2. DIGITAL I/O DA-15 Rear Panel Connector Details
Slides into RELAYS slot
in rear of Model 340
Use screwdriver to
lock or unlock wires
Insert wire into slot
1
2
3
4
5
6
Screw Terminal Connector
Lake Shore P/N 106-737
PIN DESCRIPTION
1
2
3
4
5
6
Low, Normally Closed (N.C.)
Low, Common
Low, Normally Open (N.O.)
High, Normally Closed (N.C.)
High, Common
High, Normally Open (N.O.)
Figure 11-3. RELAYS LO & HI Rear Panel Connector Details