Telemark Cryogenics 1200 Instruction Manual page 29

Table 7. Pin Connection for 37 way Amphenol Connector
Pin Input/Output Description
1 Input
2
Indicate Set Point 1
3 Output
4
5 Output
6
9 Input
10 Output
11 Input
12 Output
13 Input Operate Defrost (1)
14
15 Output Indicate Defrost (1)
16 Output
17
21 Input (Dual circuit systems
22 Output (Dual circuit systems
Operate Defrost (2)
23 Input (Dual circuit systems
24
Indicate Defrost (2)
25 Output (Dual circuit systems
26 Output
(Dual circuit systems
Telemark Cryogenics Microprocessor Based Cryochillers
Action
High input will start the UNIT. With Low input the UNIT
Operate Unit will stop. UNIT must be in "remote operation" mode for
this input to be active.
Isolated Ground Common line for remote inputs.
Contact closure: indicates that unit is OK and set-point 1
is active and no alarms present. Signal present
Active
irrespective if UNIT in LOCAL or REMOTE operation
Indicate Common Indicate common for all output contact closures
Contact Closure: indicates that power present Signal
Indicate Power On present irrespective if UNIT in LOCAL or REMOTE
operation
Indicate Common Indicate common for all output contact closures
High input will put UNIT into remote operation. Low input
Remote Operation
will revert the UNIT into local mode
Contact Closure: Indicates that cooling circuit 1 is in
Indicate Standby "standby". Signal present irrespective if UNIT in LOCAL
or REMOTE operation
High Input: puts the UNIT cooling circuit 1 into COOL.
Operate Cool (1) Input low: reverts the UNIT to Standby mode. UNIT must
be in "remote operation" mode for this input to be active.
Contact Closure: Indicates that cooling circuit 1 is in
Indicate Cool (1) "COOL". Signal present irrespective if UNIT in LOCAL or
REMOTE operation
High Input: puts the UNIT cooling circuit 1 into DEFROST.
Input low: reverts the UNIT to Standby mode. UNIT must
be in "remote operation" mode for this input to be active.
Isolated Ground Common Line for remote inputs
Contact Closure: Indicates that cooling circuit 1 is in
"DEFROST". Signal present irrespective if UNIT in
LOCAL or REMOTE operation
Contact Closure: Indicates that cooling circuit 1 has
Indicate Defrost completed defrost. During Defrost the contacts will open.
Complete (1) Signal present irrespective if UNIT in LOCAL or REMOTE
operation
Indicate Common Indicate common for all output contact closures
Operate Cool (2) High Input: puts the UNIT cooling circuit 2 into COOL.
Input low: reverts the UNIT to Standby mode. UNIT must
only) be in "remote operation" mode for this input to be active.
Indicate Cool (2) Contact Closure: Indicates that cooling circuit 2 is in
"COOL". Signal present irrespective if UNIT in LOCAL or
only) REMOTE operation
High Input: puts the UNIT cooling circuit 2 into DEFROST.
Input low: reverts the UNIT to Standby mode. UNIT must
only) be in "remote operation" mode for this input to be active.
Isolated Ground Common Line for remote inputs
Contact Closure: Indicates that cooling circuit 2 is in
"DEFROST". Signal present irrespective if UNIT in
only) LOCAL or REMOTE operation
Indicate Defrost Contact Closure: Indicates that cooling circuit 2 has
Complete (2) completed defrost. During Defrost the contacts will open.
Signal present irrespective if UNIT in LOCAL or REMOTE
only) operation
Page 29 of 63
Revision 1.0.7 October 2018